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Riverside (CA) Climate by Month

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 day and night temperature

In Riverside, temperatures differ significantly between summer and winter months. Typically, 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 temperatures generally dropping to 6°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

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.

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.

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).

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.

    Forecast for Riverside (CA)

    Sat   Nov 23
    19°C | 5°C
    NW 14 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sun   Nov 24
    18°C | 9°C
    W 14 km/h
    almost clear and no rain

    almost clear and no rain

    Mon   Nov 25
    21°C | 8°C
    W 7 km/h
    broken clouds and no rain

    broken clouds and no rain