Riverside Weather in December
Riverside in December averages 19°C (66°F) during the day and 6°C (43°F) at night. This is the wettest month of the year, and part of the winter season.
Rainfall in Riverside in December
During the wettest month of the year, an umbrella can be your best friend to stay dry. Based on our climate data of the past 30 years, about 7 days of rain are anticipated, with 62 mm (2.4 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Riverside in December
Expect highs of 19°C (66°F) in Riverside in December, with nights dropping to around 6°C (43°F). The winter season takes place during December. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 6°C (43°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep. The temperatures this month are cooler, yet they stay comfortably warm and enjoyable.
Sunshine in Riverside in December
The month enjoys around 205 hours of sunshine, creating mostly sunny days with good weather conditions.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, May, October and November typically offer the best circumstances for Riverside.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Riverside's climate page.
Riverside Temperature in December
Min Temperature
6°C (43°F)
Max Temperature
19°C (66°F)
Chance of Rain
23%
Precipitation
62 mm (2.4 in)
Rainy days
7 days
Sunshine
205 hours *
Percentage Sunshine
*
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Riverside in December
For Riverside 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. Rain is likely on several days, so bring a good rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Riverside in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Riverside's climate page.
See the full Riverside climate overview or explore weather in the United States of America.
