Puerto Rico Weather in August
What's the weather like in Puerto Rico (Meta) in August 2025?
The climate in Puerto Rico during August can be summarized as hot, humid and very wet.
August is in the summer in Puerto Rico and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 20°C (68°F) is normal.
| Daytime temperature | 30.2°C 86.4°F |
|---|---|
| Nightly temperature | 20°C 68°F |
| Average temperature | 25.1°C 77.2°F |
| Daily sunshine | 4.2 hrs |
| Avg rainfall | 269 mm 10.6 ins |
| Rainy days | 23 days |
| Sea temperature | 26°C 78.7°F |
| Humidity | 87% |
| Windspeed | 8.3kph 5 mph |
On average August is the 5th wettest month of the year in Puerto Rico with around 269mm 10.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 23 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.2 hours of sunshine per day.
August temperatures in Puerto Rico
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Puerto Rico in August 2025.
Other monthly averages
Best places to visit in August
Puerto Rico weather stats
| Hottest month: | March | 32.4°C 90.3°F |
|---|---|---|
| Driest month: | January | 38mm 1.5ins |
| Sunniest month: | January | 6.4hrs |
| Coldest month: | July | 29.1°C 84.4°F |
| Wettest month: | June | 336mm 13.2ins |
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