Climate ▸Forecast ▸December ▸January ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Riverside (CA) Weather and Climate: A Comprehensive Guide

The climate in Riverside is marked by big temperature swings throughout the year. Temperatures range from very warm during the warmest months to pleasant in the cooler months. It experiences desert-like conditions in terms of precipitation, with almost no rainfall. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

In Riverside, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 35°C in August to a pleasant 19°C in the coolest month, January.

Nights are cooler, with lows often dropping to around 6°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Riverside sits in an arid zone with minimal moisture, averaging 193 mm of rainfall per year. The climate in Riverside shows significant variation throughout the year. Expect moderate rainfall in December, with an average of 62 mm of precipitation over 7 rainy days.

In contrast, June offers drier and sunnier days, with around 0 mm of rainfall over 0 rainy days. For more details, please visit our Riverside Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Riverside serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 12.3 hours of sunshine daily, and embrace the darker days in January, offering only 6.6 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Corona, the United States of America (18 KM, 11 Miles).

Daily hours of sunshine

Data from: Corona, the United States of America (18 KM, 11 Miles).

Forecast for Riverside (CA)

Fri   Dec 27
19°C | 8°C
N 2 m/s
partly cloudy and no rain

partly cloudy and no rain

Sat   Dec 28
22°C | 7°C
NW 3 m/s
broken clouds and no rain

broken clouds and no rain

Sun   Dec 29
22°C | 7°C
NW 3 m/s
clear and no rain

clear and no rain

The best time of year to visit Riverside in the United States of America

During the months of January, February, March, April and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Riverside?
    August has an average maximum temperature of 35°C and is the warmest month of the year.
  • Which is the coldest month in Riverside?
    The coldest month is December with an average maximum temperature of 19°C.
  • Which is the wettest month in Riverside?
    December tops the wettest month list with 62 mm of rainfall.
  • Which is the driest month in Riverside?
    June is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Riverside?
    July is the sunniest month with an average of 369 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.