San Isidro Weather in December

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

The climate in San Isidro during December can be summarized as warm and reasonably dry.

December is in the winter in San Isidro and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 16°C (61°F) is normal.

San Isidro weather averages (imperial / metric)
Daytime temperature 23.7°C 74.6°F
Nightly temperature 16.2°C 61.1°F
Average temperature 19.9°C 67.8°F
Daily sunshine 6.4 hrs
Avg rainfall 76 mm 3 ins
Rainy days 16 days
Sea temperature 28.2°C 82.8°F
Humidity 83%
Windspeed 17.3kph 11 mph

On average December is the 3rd driest month of the year in San Isidro with around 76mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.4 hours of sunshine per day.

December temperatures in San Isidro

San Isidro average temperature in December

December rainfall

San Isidro average rain in December

December hourly sunshine

San Isidro average rain in December

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 December 2024.

Other monthly averages

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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

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