Best year time to visit River Valley

General weather information about River Valley

Average annual temperature is 12.3 °C

Absolute maximum temperature: 34.1 °C

Absolute minimum temperature: -11.2 °C

Number of sunny days: 153 days

Number of rainy days: 203 days

Number of snow days: 9 days

Look at detailed online map of River Valley

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

River Valley air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.521.320.927.731.433.932.132.234.127.918.516.0
Average daytime temperature (°C)7.410.810.318.822.325.828.427.324.318.411.48.8
Average temperature (°C)3.44.24.711.815.619.722.921.718.813.56.14.8
Average night temperature (°C)0.5-0.60.46.29.414.418.517.114.39.62.21.8
Absolute minimum temperature (°C)-6.1-11.2-7.2-1.62.59.514.612.58.82.1-6.4-4.7

River Valley monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.710.711.913.314.415.014.713.712.511.110.09.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)2.86.76.18.610.410.711.110.78.76.16.73.8
Precipitation (mm)10961110567412214382641004867
Sunny days713131521136912151910
Rainy days201416151017252218161020
Snow days412000000011

River Valley - weather forecast by months

River Valley weather in januaryRiver Valley weather in februaryRiver Valley weather in marchRiver Valley weather in aprilRiver Valley weather in mayRiver Valley weather in juneRiver Valley weather in julyRiver Valley weather in augustRiver Valley weather in septemberRiver Valley weather in octoberRiver Valley weather in novemberRiver Valley weather in december

Best time to visit River Valley:

The best time to visit River Valley during the most sunny months:

  • May — 10.4(h)
  • June — 10.7(h)
  • July — 11.1(h)
  • August — 10.7(h)

The largest precipitation sum in River Valley is at

  • January — 109(mm)
  • March — 110(mm)
  • June — 122(mm)
  • July — 143(mm)

    • Weather forecast in the closest to River Valley admin centers

    Weather forecast in the closest towns to River Valley

    Explore River Valley

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    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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