Riverside Weather in December
Thinking of visiting Riverside in December? Expect low temperatures reaching 9°C (48°F) during the day, dropping to 0°C (32°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Riverside in December
Expect around 11 days of rain based on historical data, with 120 mm (4.7 in) average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Riverside in December
December in Riverside sees highs of 9°C (48°F) and lows of 0°C (32°F) overnight. During December, you'll experience the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights drop to 0°C (32°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Riverside. Our weather planner can help you explore destinations with more pleasant weather conditions.
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
0°C (32°F)
Max Temperature
9°C (48°F)
Chance of Rain
37%
Precipitation
120 mm (4.7 in)
Rainy days
11 days
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
pleasant
tolerable
unpleasant
poor
What to Wear in Riverside in December
We recommend to layer up for chilly conditions in Riverside in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.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.
