Puerto Rico climate guide

Temperature in Puerto Rico (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
27°C maximum daytime temperature in January in Puerto Rico (San Juan)27
27°C maximum daytime temperature in February in Puerto Rico (San Juan)27
28°C maximum daytime temperature in March in Puerto Rico (San Juan)28
29°C maximum daytime temperature in April in Puerto Rico (San Juan)29
29°C maximum daytime temperature in May in Puerto Rico (San Juan)29
30°C maximum daytime temperature in June in Puerto Rico (San Juan)30
30°C maximum daytime temperature in July in Puerto Rico (San Juan)30
30°C maximum daytime temperature in August in Puerto Rico (San Juan)30
30°C maximum daytime temperature in September in Puerto Rico (San Juan)30
30°C maximum daytime temperature in October in Puerto Rico (San Juan)30
29°C maximum daytime temperature in November in Puerto Rico (San Juan)29
28°C maximum daytime temperature in December in Puerto Rico (San Juan)28
Min temperature (night-time)
20°C minimum night-time temperature in January in Puerto Rico (San Juan)20
20°C minimum night-time temperature in February in Puerto Rico (San Juan)20
21°C minimum night-time temperature in March in Puerto Rico (San Juan)21
21°C minimum night-time temperature in April in Puerto Rico (San Juan)21
22°C minimum night-time temperature in May in Puerto Rico (San Juan)22
23°C minimum night-time temperature in June in Puerto Rico (San Juan)23
23°C minimum night-time temperature in July in Puerto Rico (San Juan)23
24°C minimum night-time temperature in August in Puerto Rico (San Juan)24
23°C minimum night-time temperature in September in Puerto Rico (San Juan)23
23°C minimum night-time temperature in October in Puerto Rico (San Juan)23
22°C minimum night-time temperature in November in Puerto Rico (San Juan)22
21°C minimum night-time temperature in December in Puerto Rico (San Juan)21
Sea temperature
26°C sea temperature in January in Puerto Rico (San Juan)26
26°C sea temperature in February in Puerto Rico (San Juan)26
26°C sea temperature in March in Puerto Rico (San Juan)26
26°C sea temperature in April in Puerto Rico (San Juan)26
27°C sea temperature in May in Puerto Rico (San Juan)27
28°C sea temperature in June in Puerto Rico (San Juan)28
28°C sea temperature in July in Puerto Rico (San Juan)28
28°C sea temperature in August in Puerto Rico (San Juan)28
29°C sea temperature in September in Puerto Rico (San Juan)29
29°C sea temperature in October in Puerto Rico (San Juan)29
28°C sea temperature in November in Puerto Rico (San Juan)28
27°C sea temperature in December in Puerto Rico (San Juan)27

Sunshine & Daylight in Puerto Rico

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
8 hours of sunshine per day (69% of daylight hours) in January in Puerto Rico8
8 hours of sunshine per day (71% of daylight hours) in February in Puerto Rico8
9 hours of sunshine per day (75% of daylight hours) in March in Puerto Rico9
9 hours of sunshine per day (71% of daylight hours) in April in Puerto Rico9
8 hours of sunshine per day (63% of daylight hours) in May in Puerto Rico8
9 hours of sunshine per day (65% of daylight hours) in June in Puerto Rico9
9 hours of sunshine per day (69% of daylight hours) in July in Puerto Rico9
9 hours of sunshine per day (68% of daylight hours) in August in Puerto Rico9
8 hours of sunshine per day (64% of daylight hours) in September in Puerto Rico8
7 hours of sunshine per day (62% of daylight hours) in October in Puerto Rico7
7 hours of sunshine per day (60% of daylight hours) in November in Puerto Rico7
7 hours of sunshine per day (63% of daylight hours) in December in Puerto Rico7
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

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 (mm)
116 mm monthly rainfall in January in Puerto Rico (San Juan)116
82 mm monthly rainfall in February in Puerto Rico (San Juan)82
79 mm monthly rainfall in March in Puerto Rico (San Juan)79
121 mm monthly rainfall in April in Puerto Rico (San Juan)121
182 mm monthly rainfall in May in Puerto Rico (San Juan)182
151 mm monthly rainfall in June in Puerto Rico (San Juan)151
180 mm monthly rainfall in July in Puerto Rico (San Juan)180
195 mm monthly rainfall in August in Puerto Rico (San Juan)195
188 mm monthly rainfall in September in Puerto Rico (San Juan)188
171 mm monthly rainfall in October in Puerto Rico (San Juan)171
178 mm monthly rainfall in November in Puerto Rico (San Juan)178
151 mm monthly rainfall in December in Puerto Rico (San Juan)151

More climate for Puerto Rico

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

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

Going to Puerto Rico? Find the best month to visit Puerto Rico based on the weather.

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

Check climate guides for Puerto Rico showing average temperature, rainfall & sunshine figures for each month of the year. The climate guide shown above is for San Juan.

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More about Puerto Rico

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

The climate guide for Puerto Rico, represented by 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.

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

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