Fontana Weather in December

Fontana in December averages 18°C (64°F) during the day and 7°C (45°F) at night. This is the wettest month of the year, and part of the winter season.

Rainfall in Fontana in December

This is the wettest month of the year, so having an umbrella ready is a smart choice. You can expect rain on around 7 days based on historical patterns, with 91 mm (3.6 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Fontana in December

Daytime temperatures in Fontana reach 18°C (64°F) in December, dropping to 7°C (45°F) at night. December is typically considered a winter month. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 7°C (45°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. Experience the year's lowest temperatures this month, but they are still mild and pleasant.

Sunshine in Fontana in December

Enjoy a sunny month with about 205 hours of sunshine, the clear skies make Fontana even more beautiful.

If you prefer dry days with pleasant temperatures, January, February, March, April, May, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Fontana's climate page.

Fontana Temperature in December

Min Temperature 7°C (45°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 24%  

Precipitation 91 mm (3.6 in)  

Rainy days 7 days  

Sunshine 205 hours *  

Percentage Sunshine *  

* Data from: Corona, the United States of America (27 KM, 16 Miles).

What to Wear in Fontana in December

For Fontana in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Fontana in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Fontana's climate page.

More climate data for Fontana

Temperature Rainfall Sunshine

See the full Fontana climate overview or explore weather in the United States of America.