Jacó Weather in August
What's the weather like in Jacó (Puntarenas) in August 2025?
The climate in Jacó during August can be summarized as hot, humid and very wet.
August is in the summer in Jacó and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (85°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 29.6°C 85.3°F |
|---|---|
| Nightly temperature | 22.6°C 72.7°F |
| Average temperature | 26.1°C 79°F |
| Daily sunshine | 6.2 hrs |
| Avg rainfall | 372 mm 14.7 ins |
| Rainy days | 22 days |
| Sea temperature | 28.7°C 83.7°F |
| Humidity | 86% |
| Windspeed | 7.6kph 5 mph |
On average August is the 3rd wettest month of the year in Jacó with around 372mm 14.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.2 hours of sunshine per day.
August temperatures in Jacó
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 Jacó in August 2025.
Other monthly averages
Best places to visit in August
Jacó weather stats
| Hottest month: | April | 32.1°C 89.8°F |
|---|---|---|
| Driest month: | January | 0mm 0ins |
| Sunniest month: | February | 8.5hrs |
| Coldest month: | November | 28.8°C 83.8°F |
| Wettest month: | October | 503mm 19.8ins |
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