Fontana Weather in December

What's the weather like in Fontana (California) in December 2024?

The climate in Fontana during December can be summarized as mild and reasonably dry.

December is in the winter in Fontana and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 19°C (66°F), whilst at night 4°C (39°F) is normal.

Fontana weather averages (imperial / metric)
Daytime temperature 18.9°C 66°F
Nightly temperature 4.1°C 39.4°F
Average temperature 11.5°C 52.7°F
Daily sunshine 7.7 hrs
Avg rainfall 53 mm 2.1 ins
Rainy days 4 days
Sea temperature 15.3°C 59.6°F
Humidity 62%
Windspeed 10.8kph 7 mph

On average December is the 4th wettest month of the year in Fontana with around 53mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.7 hours of sunshine per day.

December temperatures in Fontana

Fontana average temperature in December

December rainfall

Fontana average rain in December

December hourly sunshine

Fontana 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 Fontana in December 2024.

Other monthly averages

Best places to visit in December

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Fontana weather stats

Fontana weather statistics
Hottest month: August 34.1°C 93.4°F
Driest month: July 1mm 0ins
Sunniest month: August 11.8hrs
Coldest month: January 18.5°C 65.3°F
Wettest month: January 78mm 3.1ins
Map showing location of Fontana (34.09223, -117.43505) Fontana map pin © Google

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