San Ramón Weather in December

What's the weather like in San Ramón (El Beni) in December 2025?

The climate in San Ramón during December can be summarized as hot, humid and very wet.

December is in the summer in San Ramón and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 23°C (73°F) is normal.

San Ramón weather averages (imperial / metric)
Daytime temperature 32°C 89.6°F
Nightly temperature 22.8°C 73°F
Average temperature 27.4°C 81.3°F
Daily sunshine 5.6 hrs
Avg rainfall 205 mm 8.1 ins
Rainy days 15 days
Sea temperature 23°C 73.3°F
Humidity 81%
Windspeed 11.9kph 7 mph

On average December is the 3rd wettest month of the year in San Ramón with around 205mm 8.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.6 hours of sunshine per day.

December temperatures in San Ramón

San Ramón average temperature in December

December rainfall

San Ramón average rain in December

December hourly sunshine

San Ramón 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 Ramón in December 2025.

Other monthly averages

Best places to visit in December

UV index Best time to go?

San Ramón weather stats

San Ramón weather statistics
Hottest month: October 34°C 93.2°F
Driest month: June 21mm 0.8ins
Sunniest month: July 7.9hrs
Coldest month: June 29.6°C 85.3°F
Wettest month: January 252mm 9.9ins
Map showing location of San Ramón (-13.28333, -64.71667) San Ramón map pin © Google

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