Puerto Rico weather by month

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °F
81°F maximum daytime temperature in January in San Juan81
81°F maximum daytime temperature in February in San Juan81
82°F maximum daytime temperature in March in San Juan82
84°F maximum daytime temperature in April in San Juan84
84°F maximum daytime temperature in May in San Juan84
86°F maximum daytime temperature in June in San Juan86
86°F maximum daytime temperature in July in San Juan86
86°F maximum daytime temperature in August in San Juan86
86°F maximum daytime temperature in September in San Juan86
86°F maximum daytime temperature in October in San Juan86
84°F maximum daytime temperature in November in San Juan84
82°F maximum daytime temperature in December in San Juan82
Hours of sunshine (daily)
Days with some rainfall
20 days with some rainfall in January in San Juan20
15 days with some rainfall in February in San Juan15
15 days with some rainfall in March in San Juan15
14 days with some rainfall in April in San Juan14
16 days with some rainfall in May in San Juan16
17 days with some rainfall in June in San Juan17
19 days with some rainfall in July in San Juan19
20 days with some rainfall in August in San Juan20
18 days with some rainfall in September in San Juan18
18 days with some rainfall in October in San Juan18
19 days with some rainfall in November in San Juan19
21 days with some rainfall in December in San Juan21
Sea temperature °F
79°F sea temperature in January in San Juan79
79°F sea temperature in February in San Juan79
79°F sea temperature in March in San Juan79
79°F sea temperature in April in San Juan79
81°F sea temperature in May in San Juan81
82°F sea temperature in June in San Juan82
82°F sea temperature in July in San Juan82
82°F sea temperature in August in San Juan82
84°F sea temperature in September in San Juan84
84°F sea temperature in October in San Juan84
82°F sea temperature in November in San Juan82
81°F sea temperature in December in San Juan81

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Puerto Rico by month

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

Recommended for Puerto Rico

The climate guide for Puerto Rico (San Juan) 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.

Top Puerto Rico destinations

Below are average maximum temperatures at popular countries, regions and places in Puerto Rico for next month - March. Select a destination to see the climate guide for all months of the year.

All Puerto Rico destinations

Metric (°C)  |  Imperial (°F)

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Puerto Rico weather averages

Temperature in Puerto Rico (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
81°F maximum daytime temperature in January in Puerto Rico (San Juan)81
81°F maximum daytime temperature in February in Puerto Rico (San Juan)81
82°F maximum daytime temperature in March in Puerto Rico (San Juan)82
84°F maximum daytime temperature in April in Puerto Rico (San Juan)84
84°F maximum daytime temperature in May in Puerto Rico (San Juan)84
86°F maximum daytime temperature in June in Puerto Rico (San Juan)86
86°F maximum daytime temperature in July in Puerto Rico (San Juan)86
86°F maximum daytime temperature in August in Puerto Rico (San Juan)86
86°F maximum daytime temperature in September in Puerto Rico (San Juan)86
86°F maximum daytime temperature in October in Puerto Rico (San Juan)86
84°F maximum daytime temperature in November in Puerto Rico (San Juan)84
82°F maximum daytime temperature in December in Puerto Rico (San Juan)82
Min temperature (night-time)
68°F minimum night-time temperature in January in Puerto Rico (San Juan)68
68°F minimum night-time temperature in February in Puerto Rico (San Juan)68
70°F minimum night-time temperature in March in Puerto Rico (San Juan)70
70°F minimum night-time temperature in April in Puerto Rico (San Juan)70
72°F minimum night-time temperature in May in Puerto Rico (San Juan)72
73°F minimum night-time temperature in June in Puerto Rico (San Juan)73
73°F minimum night-time temperature in July in Puerto Rico (San Juan)73
75°F minimum night-time temperature in August in Puerto Rico (San Juan)75
73°F minimum night-time temperature in September in Puerto Rico (San Juan)73
73°F minimum night-time temperature in October in Puerto Rico (San Juan)73
72°F minimum night-time temperature in November in Puerto Rico (San Juan)72
70°F minimum night-time temperature in December in Puerto Rico (San Juan)70
Heat & Humidity
Moderate heat & humidity in January in Puerto Rico (San Juan)M
Moderate heat & humidity in February in Puerto Rico (San Juan)M
Moderate heat & humidity in March in Puerto Rico (San Juan)M
High heat & humidity in April in Puerto Rico (San Juan)H
High heat & humidity in May in Puerto Rico (San Juan)H
High heat & humidity in June in Puerto Rico (San Juan)H
High heat & humidity in July in Puerto Rico (San Juan)H
High heat & humidity in August in Puerto Rico (San Juan)H
High heat & humidity in September in Puerto Rico (San Juan)H
High heat & humidity in October in Puerto Rico (San Juan)H
High heat & humidity in November in Puerto Rico (San Juan)H
Moderate heat & humidity in December in Puerto Rico (San Juan)M
Sea temperature
79°F sea temperature in January in Puerto Rico (San Juan)79
79°F sea temperature in February in Puerto Rico (San Juan)79
79°F sea temperature in March in Puerto Rico (San Juan)79
79°F sea temperature in April in Puerto Rico (San Juan)79
81°F sea temperature in May in Puerto Rico (San Juan)81
82°F sea temperature in June in Puerto Rico (San Juan)82
82°F sea temperature in July in Puerto Rico (San Juan)82
82°F sea temperature in August in Puerto Rico (San Juan)82
84°F sea temperature in September in Puerto Rico (San Juan)84
84°F sea temperature in October in Puerto Rico (San Juan)84
82°F sea temperature in November in Puerto Rico (San Juan)82
81°F sea temperature in December in Puerto Rico (San Juan)81

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

Sunshine & UV index in Puerto Rico

  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 Puerto Rico (San Juan)11
12 hours of daylight per day in February in Puerto Rico (San Juan)12
12 hours of daylight per day in March in Puerto Rico (San Juan)12
13 hours of daylight per day in April in Puerto Rico (San Juan)13
13 hours of daylight per day in May in Puerto Rico (San Juan)13
13 hours of daylight per day in June in Puerto Rico (San Juan)13
13 hours of daylight per day in July in Puerto Rico (San Juan)13
13 hours of daylight per day in August in Puerto Rico (San Juan)13
12 hours of daylight per day in September in Puerto Rico (San Juan)12
12 hours of daylight per day in October in Puerto Rico (San Juan)12
11 hours of daylight per day in November in Puerto Rico (San Juan)11
11 hours of daylight per day in December in Puerto Rico (San Juan)11
UV Index (Maximum)
UV (maximum) index 8 (Very High) in January in Puerto Rico (San Juan)8
UV (maximum) index 10 (Very High) in February in Puerto Rico (San Juan)10
UV (maximum) index 11+ (Extreme) in March in Puerto Rico (San Juan)11
UV (maximum) index 11+ (Extreme) in April in Puerto Rico (San Juan)11
UV (maximum) index 11+ (Extreme) in May in Puerto Rico (San Juan)11
UV (maximum) index 11+ (Extreme) in June in Puerto Rico (San Juan)11
UV (maximum) index 11+ (Extreme) in July in Puerto Rico (San Juan)11
UV (maximum) index 11+ (Extreme) in August in Puerto Rico (San Juan)11
UV (maximum) index 11+ (Extreme) in September in Puerto Rico (San Juan)11
UV (maximum) index 10 (Very High) in October in Puerto Rico (San Juan)10
UV (maximum) index 9 (Very High) in November in Puerto Rico (San Juan)9
UV (maximum) index 8 (Very High) in December in Puerto Rico (San Juan)8

Rainfall in Puerto Rico

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
20 days with some rainfall in January in Puerto Rico (San Juan)20
15 days with some rainfall in February in Puerto Rico (San Juan)15
15 days with some rainfall in March in Puerto Rico (San Juan)15
14 days with some rainfall in April in Puerto Rico (San Juan)14
16 days with some rainfall in May in Puerto Rico (San Juan)16
17 days with some rainfall in June in Puerto Rico (San Juan)17
19 days with some rainfall in July in Puerto Rico (San Juan)19
20 days with some rainfall in August in Puerto Rico (San Juan)20
18 days with some rainfall in September in Puerto Rico (San Juan)18
18 days with some rainfall in October in Puerto Rico (San Juan)18
19 days with some rainfall in November in Puerto Rico (San Juan)19
21 days with some rainfall in December in Puerto Rico (San Juan)21
Average monthly rainfall (inches)
4.6 inches monthly rainfall in January in Puerto Rico (San Juan)4.6
3.2 inches monthly rainfall in February in Puerto Rico (San Juan)3.2
3.1 inches monthly rainfall in March in Puerto Rico (San Juan)3.1
4.8 inches monthly rainfall in April in Puerto Rico (San Juan)4.8
7.2 inches monthly rainfall in May in Puerto Rico (San Juan)7.2
5.9 inches monthly rainfall in June in Puerto Rico (San Juan)5.9
7.1 inches monthly rainfall in July in Puerto Rico (San Juan)7.1
7.7 inches monthly rainfall in August in Puerto Rico (San Juan)7.7
7.4 inches monthly rainfall in September in Puerto Rico (San Juan)7.4
6.7 inches monthly rainfall in October in Puerto Rico (San Juan)6.7
7.0 inches monthly rainfall in November in Puerto Rico (San Juan)7.0
5.9 inches monthly rainfall in December in Puerto Rico (San Juan)5.9

Tropical storm risk: Puerto Rico hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
2.2%
3.5%
1.3%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Compare Puerto Rico weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Puerto Rico (San Juan) and the UK (London).

Maximum daytime temperature (°F)

Puerto Rico (San Juan)
UK (London)
81
45
81
45
82
50
84
55
84
63
86
68
86
72
86
72
86
66
86
59
84
50
82
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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