Best year time to visit Riverside

General weather information about Riverside

Average annual temperature is 13.9 °C

Absolute maximum temperature: 37.7 °C

Absolute minimum temperature: -10.4 °C

Number of sunny days: 199 days

Number of rainy days: 160 days

Number of snow days: 6 days

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* Weather data for Riverside United States is based on climate observations for 2026 year

Riverside air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.723.026.031.129.632.037.734.936.627.625.118.8
Average daytime temperature (°C)9.412.213.322.022.826.832.331.026.120.813.310.3
Average temperature (°C)4.96.26.714.716.220.425.524.320.114.77.25.1
Average night temperature (°C)1.41.61.68.710.214.720.019.015.29.82.51.5
Absolute minimum temperature (°C)-4.9-10.4-6.80.74.610.216.815.09.23.9-6.3-4.9

Riverside monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.712.013.214.314.814.613.712.411.210.19.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.57.17.99.410.110.712.211.29.29.07.96.1
Precipitation (mm)485861103559166301242761114
Sunny days121715161614101719192420
Rainy days1891414151621141112511
Snow days122000000010

Riverside - weather forecast by months

Riverside weather in januaryRiverside weather in februaryRiverside weather in marchRiverside weather in aprilRiverside weather in mayRiverside weather in juneRiverside weather in julyRiverside weather in augustRiverside weather in septemberRiverside weather in octoberRiverside weather in novemberRiverside weather in december

Best time to visit Riverside:

The best time to visit Riverside during the most sunny months:

  • July — 12.2(h)
  • August — 11.2(h)

The largest precipitation sum in Riverside is at

  • April — 103(mm)
  • June — 91(mm)
  • September — 124(mm)
  • December — 114(mm)

    • Weather forecast in the closest to Riverside admin centers

    Weather forecast in the closest towns to Riverside

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    Frequently asked questions

    When is the best time to visit Riverside?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Riverside.
    What is the weather like in Riverside?
    See average temperature, rainfall and daylight hours for Riverside by month in the table above.
    How many sunny days does Riverside have?
    The monthly weather statistics above show sunshine and rainfall patterns for Riverside throughout the year.