Jaco weather by month

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

Temperature in Jaco (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
30°C maximum daytime temperature in January in Jaco30
31°C maximum daytime temperature in February in Jaco31
32°C maximum daytime temperature in March in Jaco32
32°C maximum daytime temperature in April in Jaco32
31°C maximum daytime temperature in May in Jaco31
30°C maximum daytime temperature in June in Jaco30
30°C maximum daytime temperature in July in Jaco30
30°C maximum daytime temperature in August in Jaco30
29°C maximum daytime temperature in September in Jaco29
29°C maximum daytime temperature in October in Jaco29
29°C maximum daytime temperature in November in Jaco29
29°C maximum daytime temperature in December in Jaco29
Min temperature (night-time)
23°C minimum night-time temperature in January in Jaco23
23°C minimum night-time temperature in February in Jaco23
24°C minimum night-time temperature in March in Jaco24
24°C minimum night-time temperature in April in Jaco24
24°C minimum night-time temperature in May in Jaco24
23°C minimum night-time temperature in June in Jaco23
23°C minimum night-time temperature in July in Jaco23
23°C minimum night-time temperature in August in Jaco23
22°C minimum night-time temperature in September in Jaco22
22°C minimum night-time temperature in October in Jaco22
22°C minimum night-time temperature in November in Jaco22
22°C minimum night-time temperature in December in Jaco22
Heat & Humidity
Very high heat & humidity in January in JacoVH
Very high heat & humidity in February in JacoVH
Very high heat & humidity in March in JacoVH
Very high heat & humidity in April in JacoVH
Very high heat & humidity in May in JacoVH
Very high heat & humidity in June in JacoVH
Very high heat & humidity in July in JacoVH
Very high heat & humidity in August in JacoVH
Very high heat & humidity in September in JacoVH
High heat & humidity in October in JacoH
High heat & humidity in November in JacoH
High heat & humidity in December in JacoH
Sea temperature
28°C sea temperature in January in Jaco28
28°C sea temperature in February in Jaco28
29°C sea temperature in March in Jaco29
29°C sea temperature in April in Jaco29
29°C sea temperature in May in Jaco29
29°C sea temperature in June in Jaco29
29°C sea temperature in July in Jaco29
28°C sea temperature in August in Jaco28
28°C sea temperature in September in Jaco28
28°C sea temperature in October in Jaco28
28°C sea temperature in November in Jaco28
28°C sea temperature in December in Jaco28

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

Sunshine & Daylight in Jaco

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
12 hours of daylight per day in January in Jaco12
12 hours of daylight per day in February in Jaco12
12 hours of daylight per day in March in Jaco12
12 hours of daylight per day in April in Jaco12
13 hours of daylight per day in May in Jaco13
13 hours of daylight per day in June in Jaco13
13 hours of daylight per day in July in Jaco13
12 hours of daylight per day in August in Jaco12
12 hours of daylight per day in September in Jaco12
12 hours of daylight per day in October in Jaco12
12 hours of daylight per day in November in Jaco12
12 hours of daylight per day in December in Jaco12
UV Index (Maximum)
UV (maximum) index 11 (Extreme) in January in Jaco11
UV (maximum) index 11+ (Extreme) in February in Jaco11
UV (maximum) index 11+ (Extreme) in March in Jaco11
UV (maximum) index 11+ (Extreme) in April in Jaco11
UV (maximum) index 11+ (Extreme) in May in Jaco11
UV (maximum) index 11+ (Extreme) in June in Jaco11
UV (maximum) index 11+ (Extreme) in July in Jaco11
UV (maximum) index 11+ (Extreme) in August in Jaco11
UV (maximum) index 11+ (Extreme) in September in Jaco11
UV (maximum) index 11+ (Extreme) in October in Jaco11
UV (maximum) index 11 (Extreme) in November in Jaco11
UV (maximum) index 10 (Very High) in December in Jaco10

Rainfall in Jaco

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
10 days with some rainfall in January in Jaco10
7 days with some rainfall in February in Jaco7
7 days with some rainfall in March in Jaco7
8 days with some rainfall in April in Jaco8
17 days with some rainfall in May in Jaco17
22 days with some rainfall in June in Jaco22
21 days with some rainfall in July in Jaco21
22 days with some rainfall in August in Jaco22
22 days with some rainfall in September in Jaco22
21 days with some rainfall in October in Jaco21
15 days with some rainfall in November in Jaco15
13 days with some rainfall in December in Jaco13
Average monthly rainfall (mm)
0 mm monthly rainfall in January in Jaco0
1 mm monthly rainfall in February in Jaco1
12 mm monthly rainfall in March in Jaco12
93 mm monthly rainfall in April in Jaco93
336 mm monthly rainfall in May in Jaco336
326 mm monthly rainfall in June in Jaco326
299 mm monthly rainfall in July in Jaco299
372 mm monthly rainfall in August in Jaco372
438 mm monthly rainfall in September in Jaco438
503 mm monthly rainfall in October in Jaco503
215 mm monthly rainfall in November in Jaco215
20 mm monthly rainfall in December in Jaco20

More about Jaco

Jaco by month

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

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The climate guide for Costa Rica (Jaco) 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 Jaco?

Jaco has a hot tropical climate with a short dry season.

Jaco weather in January

Expect daytime maximum temperatures of 30°C in Jaco, Costa Rica in January and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall.

  • 30°C maximum daytime temperature in January in Jaco30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in January in Jaco10
    10 days with some rainfall
  • 23°C minimum night-time temperature in January in Jaco23
    23°C min night temperature
  • 12 hours of daylight per day in January in Jaco12
    12 hours of daylight per day
  • Very high heat & humidity in January in JacoVH
    Very High heat & humidity
  • 0 mm monthly rainfall in January in Jaco0
    0 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in January in Jaco11
    11 (Extreme) UV index
  • 28°C sea temperature in January in Jaco28
    28°C sea temperature

Back to months

Jaco weather in February

Expect daytime maximum temperatures of 31°C in Jaco, Costa Rica in February and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average.

  • 31°C maximum daytime temperature in February in Jaco31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in February in Jaco7
    7 days with some rainfall
  • 23°C minimum night-time temperature in February in Jaco23
    23°C min night temperature
  • 12 hours of daylight per day in February in Jaco12
    12 hours of daylight per day
  • Very high heat & humidity in February in JacoVH
    Very High heat & humidity
  • 1 mm monthly rainfall in February in Jaco1
    1 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in February in Jaco11
    11+ (Extreme) UV index
  • 28°C sea temperature in February in Jaco28
    28°C sea temperature

Back to months

Jaco weather in March

Expect daytime maximum temperatures of 32°C in Jaco, Costa Rica in March and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average.

  • 32°C maximum daytime temperature in March in Jaco32
    32°C max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in March in Jaco7
    7 days with some rainfall
  • 24°C minimum night-time temperature in March in Jaco24
    24°C min night temperature
  • 12 hours of daylight per day in March in Jaco12
    12 hours of daylight per day
  • Very high heat & humidity in March in JacoVH
    Very High heat & humidity
  • 12 mm monthly rainfall in March in Jaco12
    12 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in Jaco11
    11+ (Extreme) UV index
  • 29°C sea temperature in March in Jaco29
    29°C sea temperature

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Jaco weather in April

Expect daytime maximum temperatures of 32°C in Jaco, Costa Rica in April and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 93 mm of rainfall in the month.

  • 32°C maximum daytime temperature in April in Jaco32
    32°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in April in Jaco8
    8 days with some rainfall
  • 24°C minimum night-time temperature in April in Jaco24
    24°C min night temperature
  • 12 hours of daylight per day in April in Jaco12
    12 hours of daylight per day
  • Very high heat & humidity in April in JacoVH
    Very High heat & humidity
  • 93 mm monthly rainfall in April in Jaco93
    93 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Jaco11
    11+ (Extreme) UV index
  • 29°C sea temperature in April in Jaco29
    29°C sea temperature

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Jaco weather in May

Expect daytime maximum temperatures of 31°C in Jaco, Costa Rica in May and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 336 mm of rainfall in the month.

  • 31°C maximum daytime temperature in May in Jaco31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in May in Jaco17
    17 days with some rainfall
  • 24°C minimum night-time temperature in May in Jaco24
    24°C min night temperature
  • 13 hours of daylight per day in May in Jaco13
    13 hours of daylight per day
  • Very high heat & humidity in May in JacoVH
    Very High heat & humidity
  • 336 mm monthly rainfall in May in Jaco336
    336 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Jaco11
    11+ (Extreme) UV index
  • 29°C sea temperature in May in Jaco29
    29°C sea temperature

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Jaco weather in June

Expect daytime maximum temperatures of 30°C in Jaco, Costa Rica in June and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 22 days with some rainfall and typically 326 mm of rainfall in the month.

  • 30°C maximum daytime temperature in June in Jaco30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 22 days with some rainfall in June in Jaco22
    22 days with some rainfall
  • 23°C minimum night-time temperature in June in Jaco23
    23°C min night temperature
  • 13 hours of daylight per day in June in Jaco13
    13 hours of daylight per day
  • Very high heat & humidity in June in JacoVH
    Very High heat & humidity
  • 326 mm monthly rainfall in June in Jaco326
    326 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Jaco11
    11+ (Extreme) UV index
  • 29°C sea temperature in June in Jaco29
    29°C sea temperature

Back to months

Jaco weather in July

Expect daytime maximum temperatures of 30°C in Jaco, Costa Rica in July and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 21 days with some rainfall and typically 299 mm of rainfall in the month.

  • 30°C maximum daytime temperature in July in Jaco30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 21 days with some rainfall in July in Jaco21
    21 days with some rainfall
  • 23°C minimum night-time temperature in July in Jaco23
    23°C min night temperature
  • 13 hours of daylight per day in July in Jaco13
    13 hours of daylight per day
  • Very high heat & humidity in July in JacoVH
    Very High heat & humidity
  • 299 mm monthly rainfall in July in Jaco299
    299 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in Jaco11
    11+ (Extreme) UV index
  • 29°C sea temperature in July in Jaco29
    29°C sea temperature

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Jaco weather in August

Expect daytime maximum temperatures of 30°C in Jaco, Costa Rica in August and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 22 days with some rainfall and typically 372 mm of rainfall in the month.

  • 30°C maximum daytime temperature in August in Jaco30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 22 days with some rainfall in August in Jaco22
    22 days with some rainfall
  • 23°C minimum night-time temperature in August in Jaco23
    23°C min night temperature
  • 12 hours of daylight per day in August in Jaco12
    12 hours of daylight per day
  • Very high heat & humidity in August in JacoVH
    Very High heat & humidity
  • 372 mm monthly rainfall in August in Jaco372
    372 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Jaco11
    11+ (Extreme) UV index
  • 28°C sea temperature in August in Jaco28
    28°C sea temperature

Back to months

Jaco weather in September

Expect daytime maximum temperatures of 29°C in Jaco, Costa Rica in September and very high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 22 days with some rainfall and typically 438 mm of rainfall in the month.

  • 29°C maximum daytime temperature in September in Jaco29
    29°C max day temperature
  • 5 hours of sunshine per day
  • 22 days with some rainfall in September in Jaco22
    22 days with some rainfall
  • 22°C minimum night-time temperature in September in Jaco22
    22°C min night temperature
  • 12 hours of daylight per day in September in Jaco12
    12 hours of daylight per day
  • Very high heat & humidity in September in JacoVH
    Very High heat & humidity
  • 438 mm monthly rainfall in September in Jaco438
    438 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Jaco11
    11+ (Extreme) UV index
  • 28°C sea temperature in September in Jaco28
    28°C sea temperature

Back to months

Jaco weather in October

Expect daytime maximum temperatures of 29°C in Jaco, Costa Rica in October and high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 21 days with some rainfall and typically 503 mm of rainfall in the month.

  • 29°C maximum daytime temperature in October in Jaco29
    29°C max day temperature
  • 5 hours of sunshine per day
  • 21 days with some rainfall in October in Jaco21
    21 days with some rainfall
  • 22°C minimum night-time temperature in October in Jaco22
    22°C min night temperature
  • 12 hours of daylight per day in October in Jaco12
    12 hours of daylight per day
  • High heat & humidity in October in JacoH
    High heat & humidity
  • 503 mm monthly rainfall in October in Jaco503
    503 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Jaco11
    11+ (Extreme) UV index
  • 28°C sea temperature in October in Jaco28
    28°C sea temperature

Back to months

Jaco weather in November

Expect daytime maximum temperatures of 29°C in Jaco, Costa Rica in November and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 215 mm of rainfall in the month.

  • 29°C maximum daytime temperature in November in Jaco29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in November in Jaco15
    15 days with some rainfall
  • 22°C minimum night-time temperature in November in Jaco22
    22°C min night temperature
  • 12 hours of daylight per day in November in Jaco12
    12 hours of daylight per day
  • High heat & humidity in November in JacoH
    High heat & humidity
  • 215 mm monthly rainfall in November in Jaco215
    215 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in November in Jaco11
    11 (Extreme) UV index
  • 28°C sea temperature in November in Jaco28
    28°C sea temperature

Back to months

Jaco weather in December

Expect daytime maximum temperatures of 29°C in Jaco, Costa Rica in December and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall.

  • 29°C maximum daytime temperature in December in Jaco29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in December in Jaco13
    13 days with some rainfall
  • 22°C minimum night-time temperature in December in Jaco22
    22°C min night temperature
  • 12 hours of daylight per day in December in Jaco12
    12 hours of daylight per day
  • High heat & humidity in December in JacoH
    High heat & humidity
  • 20 mm monthly rainfall in December in Jaco20
    20 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in December in Jaco10
    10 (Very High) UV index
  • 28°C sea temperature in December in Jaco28
    28°C sea temperature

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More about Jaco

Jaco by month

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

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  • Book online with TUI Black Friday discount code
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The climate guide for Costa Rica (Jaco) 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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More about Costa Rica

Compare Jaco with the UK

Below the Jaco chart shows average maximum daytime temperature for Jaco, Costa Rica and the UK (London).

Maximum daytime temperature (°C)

Jaco, Costa Rica
UK (London)
30
7
31
7
32
10
32
13
31
17
30
20
30
22
30
22
29
19
29
15
29
10
29
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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