San Isidro Weather in August

What's the weather like in San Isidro (San José) in August 2024?

The climate in San Isidro during August can be summarized as warm, humid and very wet.

August is in the summer in San Isidro and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (76°F), whilst at night 17°C (63°F) is normal.

San Isidro weather averages (imperial / metric)
Daytime temperature 24.5°C 76°F
Nightly temperature 17.4°C 63.2°F
Average temperature 20.9°C 69.6°F
Daily sunshine 6.4 hrs
Avg rainfall 432 mm 17 ins
Rainy days 23 days
Sea temperature 28.8°C 83.8°F
Humidity 85%
Windspeed 11.2kph 7 mph

On average August is the 4th wettest month of the year in San Isidro with around 432mm 17 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 6.4 hours of sunshine per day.

August temperatures in San Isidro

San Isidro average temperature in August

August rainfall

San Isidro average rain in August

August hourly sunshine

San Isidro average rain in August

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 Isidro in August 2024.

Other monthly averages

Best places to visit in August

UV index Best time to go?

San Isidro weather stats

San Isidro weather statistics
Hottest month: May 24.9°C 76.8°F
Driest month: January 45mm 1.8ins
Sunniest month: March 7.7hrs
Coldest month: January 23.6°C 74.5°F
Wettest month: October 581mm 22.9ins
Map showing location of San Isidro (9.3721, -83.70399) San Isidro map pin © Google

Locations nearby

Top Costa Rica locations