The climate in San Isidro during December can be summarized as warm, humid and very dry.
December is in the summer in San Isidro and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 24°C (76°F), whilst at night 16°C (60°F) is normal.
|Daytime temperature||24.4°C 75.9°F|
|Nightly temperature||15.6°C 60.1°F|
|Average temperature||20°C 68°F|
|Daily sunshine||5.8 hrs|
|Avg rainfall||2 mm 0.1 ins|
|Rainy days||1 days|
|Sea temperature||20.3°C 68.5°F|
|Windspeed||12.6kph 8 mph|
On average December is the 5th wettest month of the year in San Isidro with around 2mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 5.8 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 Isidro in December 2023.
|Hottest month:||February||26.6°C 79.9°F|
|Driest month:||February||1mm 0ins|
|Coldest month:||August||18.4°C 65.1°F|
|Wettest month:||August||3mm 0.1ins|