Annual mean 21°C · wettest around October · prevailing wind E
Warmest
30.8 °C
Coldest
19.4 °C
Wettest
70%
Windiest
3.9 m/s
Prevailing
E
3.2 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Puerto Rico over the whole year is 21°C. January is the hottest month, with highs of about 30°C; July is the coldest, with lows of about 13°C. Puerto Rico has no sharply defined rainy season: the chance of rain on a given day runs from 52% in June, the driest month, to 66% in October, the wettest. Winds in Puerto Rico are highest in August, averaging 2.7 m/s (10 km/h), and lightest in March, at 2.1 m/s (8 km/h). The prevailing wind is from the E. The clearest skies in Puerto Rico come in August, when the sky is typically 46% covered; October is the cloudiest month, at 63%.
Month by month Puerto Rico climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
30°C
23°C
32°C
56%
54%
2.3 m/s
12
42
3
February
30°C
22°C
32°C
60%
54%
2.2 m/s
17
42
4
March
28°C
21°C
30°C
59%
52%
2.1 m/s
26
49
8
April
25°C
18°C
26°C
58%
52%
2.1 m/s
51
47
24
May
21°C
15°C
21°C
60%
63%
2.2 m/s
66
25
50
June
20°C
14°C
19°C
52%
59%
2.5 m/s
58
20
58
July
20°C
13°C
19°C
53%
51%
2.5 m/s
60
21
57
August
22°C
14°C
21°C
58%
46%
2.7 m/s
60
26
52
September
25°C
17°C
24°C
54%
53%
2.7 m/s
55
33
38
October
25°C
18°C
26°C
66%
63%
2.6 m/s
52
41
26
November
28°C
20°C
28°C
62%
55%
2.4 m/s
37
52
14
December
29°C
22°C
31°C
60%
53%
2.2 m/s
21
49
5
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Puerto Rico weather by season
Year round, Puerto Rico has days of about 20°C at their warmest in June, its coolest month, and 30°C in January, its warmest; the coolest hours of the day run from 13°C to 23°C through the year, and the average temperature over the year is 21°C around the clock. Rain is most likely around October and least likely around June. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Puerto Rico weather in winterJune to August
High 21°CLow 14°CRain 54%
Winter in Puerto Rico has typical daily highs of about 21°C and lows of about 14°C, with a 54% chance of rain on a given day.
Puerto Rico weather in springSeptember to November
High 26°CLow 18°CRain 61%
Spring in Puerto Rico has typical daily highs of about 26°C and lows of about 18°C, with a 61% chance of rain on a given day.
Puerto Rico weather in summerDecember to February
High 30°CLow 22°CRain 59%
Summer in Puerto Rico has typical daily highs of about 30°C and lows of about 22°C, with a 59% chance of rain on a given day.
Puerto Rico weather in autumnMarch to May
High 25°CLow 18°CRain 59%
Autumn in Puerto Rico has typical daily highs of about 25°C and lows of about 18°C, with a 59% chance of rain on a given day.
When is the rainy season in Puerto Rico?
Puerto Rico has no sharply defined rainy season: the chance of rain on a given day runs from 52% in June, the driest month, to 66% in October, the wettest.
What time of year is Puerto Rico windiest?
Winds in Puerto Rico are highest in August, averaging 2.7 m/s (10 km/h), and lightest in March, at 2.1 m/s (8 km/h). The prevailing wind is from the E.
What is the average temperature in Puerto Rico year round?
The average temperature in Puerto Rico over the whole year is 21°C. January is the hottest month, with highs of about 30°C; July is the coldest, with lows of about 13°C.