Best year time to visit Riley

General weather information about Riley

Average annual temperature is 18.7 °C

Absolute maximum temperature: 38.1 °C

Absolute minimum temperature: -2.4 °C

Number of sunny days: 199 days

Number of rainy days: 166 days

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

Riley air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)22.827.530.030.834.633.837.338.132.628.627.123.3
Average daytime temperature (°C)16.219.821.625.026.529.934.433.528.323.918.315.5
Average temperature (°C)10.814.015.318.620.624.228.427.623.018.312.610.2
Average night temperature (°C)6.69.610.012.915.419.323.623.018.213.68.16.1
Absolute minimum temperature (°C)-2.2-1.3-0.14.98.715.019.820.314.87.7-0.6-2.4

Riley monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.211.012.013.013.914.314.113.412.411.310.410.0
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.07.28.49.89.510.511.011.010.38.97.26.6
Precipitation (mm)1199783143115135157162716659132
Sunny days15171915161351219252122
Rainy days161112151517261911699
Snow days000000000000

Riley - weather forecast by months

Riley weather in januaryRiley weather in februaryRiley weather in marchRiley weather in aprilRiley weather in mayRiley weather in juneRiley weather in julyRiley weather in augustRiley weather in septemberRiley weather in octoberRiley weather in novemberRiley weather in december

Best time to visit Riley:

The largest precipitation sum in Riley is at

  • April — 143(mm)
  • July — 157(mm)
  • August — 162(mm)

    • Weather forecast in the closest to Riley admin centers

    Weather forecast in the closest towns to Riley

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    MapTrains schedule
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    Frequently asked questions

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