Weather in City of Saint Charles in October

General weather information about City of Saint Charles

Average annual temperature is 10.9 °C

Absolute maximum temperature: 36.4 °C

Absolute minimum temperature: -24.3 °C

Number of sunny days: 178 days

Number of rainy days: 167 days

Number of snow days: 20 days

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* Weather data for City of Saint Charles United States is based on climate observations for 2026 year

City of Saint Charles air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)9.614.519.925.431.832.833.336.433.427.119.314.1
Average daytime temperature (°C)2.54.97.616.122.427.828.427.624.216.49.36.2
Average temperature (°C)-1.1-0.52.49.415.821.022.822.219.112.24.52.7
Average night temperature (°C)-3.8-4.5-1.23.910.115.217.917.615.18.70.70.4
Absolute minimum temperature (°C)-24.3-21.2-12.0-2.50.97.814.012.19.2-3.2-11.3-8.1

City of Saint Charles monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.510.611.913.414.615.214.913.812.511.19.89.2
Daylight minimum duration (h)9.010.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)3.57.76.49.010.711.911.710.48.06.57.13.8
Precipitation (mm)60888881633119795135983574
Sunny days121611142018121510132215
Rainy days1191516111219162017714
Snow days835000000112

City of Saint Charles - weather forecast by months

City of Saint Charles weather in januaryCity of Saint Charles weather in februaryCity of Saint Charles weather in marchCity of Saint Charles weather in aprilCity of Saint Charles weather in mayCity of Saint Charles weather in juneCity of Saint Charles weather in julyCity of Saint Charles weather in augustCity of Saint Charles weather in septemberCity of Saint Charles weather in octoberCity of Saint Charles weather in novemberCity of Saint Charles weather in december

Best time to visit City of Saint Charles:

The best time to visit City of Saint Charles during the most sunny months:

  • May — 10.7(h)
  • June — 11.9(h)
  • July — 11.7(h)
  • August — 10.4(h)

The largest precipitation sum in City of Saint Charles is at

  • July — 197(mm)
  • September — 135(mm)

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    Frequently asked questions

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