The climate in San José during August can be summarized as warm, humid and very wet.
August is in the summer in San José and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 24°C (76°F), whilst at night 17°C (63°F) is normal.
|Daytime temperature||24.4°C 75.9°F|
|Nightly temperature||17°C 62.6°F|
|Average temperature||20.7°C 69.3°F|
|Daily sunshine||6.6 hrs|
|Avg rainfall||282 mm 11.1 ins|
|Rainy days||24 days|
|Sea temperature||28.7°C 83.7°F|
|Windspeed||12.6kph 8 mph|
On average August is the 4th wettest month of the year in San José with around 282mm 11.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 24 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.6 hours of sunshine per day.
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 San José in August 2023.
Best places to visit in August
|Hottest month:||May||25°C 77°F|
|Driest month:||January||7mm 0.3ins|
|Coldest month:||January||22.9°C 73.2°F|
|Wettest month:||September||372mm 14.6ins|