Isla Mujeres weather by month

Check out Isla Mujeres weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Isla Mujeres (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
27°C maximum daytime temperature in January in Isla Mujeres27
28°C maximum daytime temperature in February in Isla Mujeres28
30°C maximum daytime temperature in March in Isla Mujeres30
32°C maximum daytime temperature in April in Isla Mujeres32
32°C maximum daytime temperature in May in Isla Mujeres32
32°C maximum daytime temperature in June in Isla Mujeres32
32°C maximum daytime temperature in July in Isla Mujeres32
33°C maximum daytime temperature in August in Isla Mujeres33
32°C maximum daytime temperature in September in Isla Mujeres32
30°C maximum daytime temperature in October in Isla Mujeres30
29°C maximum daytime temperature in November in Isla Mujeres29
28°C maximum daytime temperature in December in Isla Mujeres28
Min temperature (night-time)
18°C minimum night-time temperature in January in Isla Mujeres18
17°C minimum night-time temperature in February in Isla Mujeres17
19°C minimum night-time temperature in March in Isla Mujeres19
20°C minimum night-time temperature in April in Isla Mujeres20
22°C minimum night-time temperature in May in Isla Mujeres22
23°C minimum night-time temperature in June in Isla Mujeres23
23°C minimum night-time temperature in July in Isla Mujeres23
22°C minimum night-time temperature in August in Isla Mujeres22
23°C minimum night-time temperature in September in Isla Mujeres23
22°C minimum night-time temperature in October in Isla Mujeres22
20°C minimum night-time temperature in November in Isla Mujeres20
18°C minimum night-time temperature in December in Isla Mujeres18
Heat & Humidity
Moderate heat & humidity in January in Isla MujeresM
Moderate heat & humidity in February in Isla MujeresM
High heat & humidity in March in Isla MujeresH
High heat & humidity in April in Isla MujeresH
Very high heat & humidity in May in Isla MujeresVH
Very high heat & humidity in June in Isla MujeresVH
Very high heat & humidity in July in Isla MujeresVH
Very high heat & humidity in August in Isla MujeresVH
Very high heat & humidity in September in Isla MujeresVH
High heat & humidity in October in Isla MujeresH
High heat & humidity in November in Isla MujeresH
Moderate heat & humidity in December in Isla MujeresM
Sea temperature
26°C sea temperature in January in Isla Mujeres26
26°C sea temperature in February in Isla Mujeres26
26°C sea temperature in March in Isla Mujeres26
27°C sea temperature in April in Isla Mujeres27
27°C sea temperature in May in Isla Mujeres27
28°C sea temperature in June in Isla Mujeres28
28°C sea temperature in July in Isla Mujeres28
29°C sea temperature in August in Isla Mujeres29
29°C sea temperature in September in Isla Mujeres29
28°C sea temperature in October in Isla Mujeres28
28°C sea temperature in November in Isla Mujeres28
27°C sea temperature in December in Isla Mujeres27

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Isla Mujeres

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
11 hours of daylight per day in January in Isla Mujeres11
11 hours of daylight per day in February in Isla Mujeres11
12 hours of daylight per day in March in Isla Mujeres12
13 hours of daylight per day in April in Isla Mujeres13
13 hours of daylight per day in May in Isla Mujeres13
13 hours of daylight per day in June in Isla Mujeres13
13 hours of daylight per day in July in Isla Mujeres13
13 hours of daylight per day in August in Isla Mujeres13
12 hours of daylight per day in September in Isla Mujeres12
12 hours of daylight per day in October in Isla Mujeres12
11 hours of daylight per day in November in Isla Mujeres11
11 hours of daylight per day in December in Isla Mujeres11
UV Index (Maximum)
UV (maximum) index 7 (High) in January in Isla Mujeres7
UV (maximum) index 9 (Very High) in February in Isla Mujeres9
UV (maximum) index 11 (Extreme) in March in Isla Mujeres11
UV (maximum) index 11+ (Extreme) in April in Isla Mujeres11
UV (maximum) index 11+ (Extreme) in May in Isla Mujeres11
UV (maximum) index 11+ (Extreme) in June in Isla Mujeres11
UV (maximum) index 11+ (Extreme) in July in Isla Mujeres11
UV (maximum) index 11+ (Extreme) in August in Isla Mujeres11
UV (maximum) index 11 (Extreme) in September in Isla Mujeres11
UV (maximum) index 9 (Very High) in October in Isla Mujeres9
UV (maximum) index 8 (Very High) in November in Isla Mujeres8
UV (maximum) index 7 (High) in December in Isla Mujeres7

Rainfall in Isla Mujeres

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
6 days with some rainfall in January in Isla Mujeres6
5 days with some rainfall in February in Isla Mujeres5
3 days with some rainfall in March in Isla Mujeres3
3 days with some rainfall in April in Isla Mujeres3
7 days with some rainfall in May in Isla Mujeres7
11 days with some rainfall in June in Isla Mujeres11
11 days with some rainfall in July in Isla Mujeres11
13 days with some rainfall in August in Isla Mujeres13
14 days with some rainfall in September in Isla Mujeres14
13 days with some rainfall in October in Isla Mujeres13
8 days with some rainfall in November in Isla Mujeres8
7 days with some rainfall in December in Isla Mujeres7
Average monthly rainfall (mm)
66 mm monthly rainfall in January in Isla Mujeres66
54 mm monthly rainfall in February in Isla Mujeres54
36 mm monthly rainfall in March in Isla Mujeres36
42 mm monthly rainfall in April in Isla Mujeres42
108 mm monthly rainfall in May in Isla Mujeres108
183 mm monthly rainfall in June in Isla Mujeres183
129 mm monthly rainfall in July in Isla Mujeres129
148 mm monthly rainfall in August in Isla Mujeres148
224 mm monthly rainfall in September in Isla Mujeres224
185 mm monthly rainfall in October in Isla Mujeres185
85 mm monthly rainfall in November in Isla Mujeres85
79 mm monthly rainfall in December in Isla Mujeres79

More about Isla Mujeres

Isla Mujeres by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Mexico's Caribbean Coast (Isla Mujeres) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Isla Mujeres?

Isla Mujeres has a hot tropical climate with a winter dry season.

Isla Mujeres weather in January

Expect daytime maximum temperatures of 27°C in Isla Mujeres, Mexico's Caribbean Coast in January based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 66 mm of rainfall in the month.

  • 27°C maximum daytime temperature in January in Isla Mujeres27
    27°C max day temperature
  • 6 hours of sunshine per day
  • 6 days with some rainfall in January in Isla Mujeres6
    6 days with some rainfall
  • 18°C minimum night-time temperature in January in Isla Mujeres18
    18°C min night temperature
  • 11 hours of daylight per day in January in Isla Mujeres11
    11 hours of daylight per day
  • Moderate heat & humidity in January in Isla MujeresM
    Moderate heat & humidity
  • 66 mm monthly rainfall in January in Isla Mujeres66
    66 mm of monthly rainfall
  • UV (maximum) index 7 (High) in January in Isla Mujeres7
    7 (High) UV index
  • 26°C sea temperature in January in Isla Mujeres26
    26°C sea temperature

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Isla Mujeres weather in February

Expect daytime maximum temperatures of 28°C in Isla Mujeres, Mexico's Caribbean Coast in February based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 54 mm of rainfall in the month.

  • 28°C maximum daytime temperature in February in Isla Mujeres28
    28°C max day temperature
  • 7 hours of sunshine per day
  • 5 days with some rainfall in February in Isla Mujeres5
    5 days with some rainfall
  • 17°C minimum night-time temperature in February in Isla Mujeres17
    17°C min night temperature
  • 11 hours of daylight per day in February in Isla Mujeres11
    11 hours of daylight per day
  • Moderate heat & humidity in February in Isla MujeresM
    Moderate heat & humidity
  • 54 mm monthly rainfall in February in Isla Mujeres54
    54 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in February in Isla Mujeres9
    9 (Very High) UV index
  • 26°C sea temperature in February in Isla Mujeres26
    26°C sea temperature

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Isla Mujeres weather in March

Expect daytime maximum temperatures of 30°C in Isla Mujeres, Mexico's Caribbean Coast in March and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average.

  • 30°C maximum daytime temperature in March in Isla Mujeres30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 3 days with some rainfall in March in Isla Mujeres3
    3 days with some rainfall
  • 19°C minimum night-time temperature in March in Isla Mujeres19
    19°C min night temperature
  • 12 hours of daylight per day in March in Isla Mujeres12
    12 hours of daylight per day
  • High heat & humidity in March in Isla MujeresH
    High heat & humidity
  • 36 mm monthly rainfall in March in Isla Mujeres36
    36 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in March in Isla Mujeres11
    11 (Extreme) UV index
  • 26°C sea temperature in March in Isla Mujeres26
    26°C sea temperature

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Isla Mujeres weather in April

Expect daytime maximum temperatures of 32°C in Isla Mujeres, Mexico's Caribbean Coast in April and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 42 mm of rainfall in the month.

  • 32°C maximum daytime temperature in April in Isla Mujeres32
    32°C max day temperature
  • 8 hours of sunshine per day
  • 3 days with some rainfall in April in Isla Mujeres3
    3 days with some rainfall
  • 20°C minimum night-time temperature in April in Isla Mujeres20
    20°C min night temperature
  • 13 hours of daylight per day in April in Isla Mujeres13
    13 hours of daylight per day
  • High heat & humidity in April in Isla MujeresH
    High heat & humidity
  • 42 mm monthly rainfall in April in Isla Mujeres42
    42 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Isla Mujeres11
    11+ (Extreme) UV index
  • 27°C sea temperature in April in Isla Mujeres27
    27°C sea temperature

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Isla Mujeres weather in May

Expect daytime maximum temperatures of 32°C in Isla Mujeres, Mexico's Caribbean Coast in May and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 108 mm of rainfall in the month.

  • 32°C maximum daytime temperature in May in Isla Mujeres32
    32°C max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in May in Isla Mujeres7
    7 days with some rainfall
  • 22°C minimum night-time temperature in May in Isla Mujeres22
    22°C min night temperature
  • 13 hours of daylight per day in May in Isla Mujeres13
    13 hours of daylight per day
  • Very high heat & humidity in May in Isla MujeresVH
    Very High heat & humidity
  • 108 mm monthly rainfall in May in Isla Mujeres108
    108 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Isla Mujeres11
    11+ (Extreme) UV index
  • 27°C sea temperature in May in Isla Mujeres27
    27°C sea temperature

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Isla Mujeres weather in June

Expect daytime maximum temperatures of 32°C in Isla Mujeres, Mexico's Caribbean Coast in June and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 183 mm of rainfall in the month.

  • 32°C maximum daytime temperature in June in Isla Mujeres32
    32°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in June in Isla Mujeres11
    11 days with some rainfall
  • 23°C minimum night-time temperature in June in Isla Mujeres23
    23°C min night temperature
  • 13 hours of daylight per day in June in Isla Mujeres13
    13 hours of daylight per day
  • Very high heat & humidity in June in Isla MujeresVH
    Very High heat & humidity
  • 183 mm monthly rainfall in June in Isla Mujeres183
    183 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Isla Mujeres11
    11+ (Extreme) UV index
  • 28°C sea temperature in June in Isla Mujeres28
    28°C sea temperature

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Isla Mujeres weather in July

Expect daytime maximum temperatures of 32°C in Isla Mujeres, Mexico's Caribbean Coast in July and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 129 mm of rainfall in the month.

  • 32°C maximum daytime temperature in July in Isla Mujeres32
    32°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in July in Isla Mujeres11
    11 days with some rainfall
  • 23°C minimum night-time temperature in July in Isla Mujeres23
    23°C min night temperature
  • 13 hours of daylight per day in July in Isla Mujeres13
    13 hours of daylight per day
  • Very high heat & humidity in July in Isla MujeresVH
    Very High heat & humidity
  • 129 mm monthly rainfall in July in Isla Mujeres129
    129 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in Isla Mujeres11
    11+ (Extreme) UV index
  • 28°C sea temperature in July in Isla Mujeres28
    28°C sea temperature

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Isla Mujeres weather in August

Expect daytime maximum temperatures of 33°C in Isla Mujeres, Mexico's Caribbean Coast in August and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 148 mm of rainfall in the month.

  • 33°C maximum daytime temperature in August in Isla Mujeres33
    33°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in August in Isla Mujeres13
    13 days with some rainfall
  • 22°C minimum night-time temperature in August in Isla Mujeres22
    22°C min night temperature
  • 13 hours of daylight per day in August in Isla Mujeres13
    13 hours of daylight per day
  • Very high heat & humidity in August in Isla MujeresVH
    Very High heat & humidity
  • 148 mm monthly rainfall in August in Isla Mujeres148
    148 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Isla Mujeres11
    11+ (Extreme) UV index
  • 29°C sea temperature in August in Isla Mujeres29
    29°C sea temperature

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Isla Mujeres weather in September

Expect daytime maximum temperatures of 32°C in Isla Mujeres, Mexico's Caribbean Coast in September and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 224 mm of rainfall in the month.

  • 32°C maximum daytime temperature in September in Isla Mujeres32
    32°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in September in Isla Mujeres14
    14 days with some rainfall
  • 23°C minimum night-time temperature in September in Isla Mujeres23
    23°C min night temperature
  • 12 hours of daylight per day in September in Isla Mujeres12
    12 hours of daylight per day
  • Very high heat & humidity in September in Isla MujeresVH
    Very High heat & humidity
  • 224 mm monthly rainfall in September in Isla Mujeres224
    224 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Isla Mujeres11
    11 (Extreme) UV index
  • 29°C sea temperature in September in Isla Mujeres29
    29°C sea temperature

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Isla Mujeres weather in October

Expect daytime maximum temperatures of 30°C in Isla Mujeres, Mexico's Caribbean Coast in October and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 185 mm of rainfall in the month.

  • 30°C maximum daytime temperature in October in Isla Mujeres30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in October in Isla Mujeres13
    13 days with some rainfall
  • 22°C minimum night-time temperature in October in Isla Mujeres22
    22°C min night temperature
  • 12 hours of daylight per day in October in Isla Mujeres12
    12 hours of daylight per day
  • High heat & humidity in October in Isla MujeresH
    High heat & humidity
  • 185 mm monthly rainfall in October in Isla Mujeres185
    185 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in October in Isla Mujeres9
    9 (Very High) UV index
  • 28°C sea temperature in October in Isla Mujeres28
    28°C sea temperature

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Isla Mujeres weather in November

Expect daytime maximum temperatures of 29°C in Isla Mujeres, Mexico's Caribbean Coast in November and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 85 mm of rainfall in the month.

  • 29°C maximum daytime temperature in November in Isla Mujeres29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 8 days with some rainfall in November in Isla Mujeres8
    8 days with some rainfall
  • 20°C minimum night-time temperature in November in Isla Mujeres20
    20°C min night temperature
  • 11 hours of daylight per day in November in Isla Mujeres11
    11 hours of daylight per day
  • High heat & humidity in November in Isla MujeresH
    High heat & humidity
  • 85 mm monthly rainfall in November in Isla Mujeres85
    85 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in November in Isla Mujeres8
    8 (Very High) UV index
  • 28°C sea temperature in November in Isla Mujeres28
    28°C sea temperature

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Isla Mujeres weather in December

Expect daytime maximum temperatures of 28°C in Isla Mujeres, Mexico's Caribbean Coast in December based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 79 mm of rainfall in the month.

  • 28°C maximum daytime temperature in December in Isla Mujeres28
    28°C max day temperature
  • 6 hours of sunshine per day
  • 7 days with some rainfall in December in Isla Mujeres7
    7 days with some rainfall
  • 18°C minimum night-time temperature in December in Isla Mujeres18
    18°C min night temperature
  • 11 hours of daylight per day in December in Isla Mujeres11
    11 hours of daylight per day
  • Moderate heat & humidity in December in Isla MujeresM
    Moderate heat & humidity
  • 79 mm monthly rainfall in December in Isla Mujeres79
    79 mm of monthly rainfall
  • UV (maximum) index 7 (High) in December in Isla Mujeres7
    7 (High) UV index
  • 27°C sea temperature in December in Isla Mujeres27
    27°C sea temperature

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More about Isla Mujeres

Isla Mujeres by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Mexico - Caribbean Coast

  • Save 10% on 2026/2027 holidays in biggest ever TUI sale
  • Max discount £500. T&Cs apply. £500 min spend
  • Travel between 1st May 2026 & 31st Oct 2027 (inclusive)
Show discount codeShow discount code ******ALE

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The climate guide for Mexico's Caribbean Coast (Isla Mujeres) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Compare Isla Mujeres weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Isla Mujeres, Caribbean Coast, Mexico and the UK (London).

Maximum daytime temperature (°C)

Isla Mujeres, Caribbean Coast, Mexico
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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