Best year time to visit Collinsville

General weather information about Collinsville

Average annual temperature is 8.2 °C

Absolute maximum temperature: 32.0 °C

Absolute minimum temperature: -33.2 °C

Number of sunny days: 108 days

Number of rainy days: 219 days

Number of snow days: 38 days

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

Collinsville air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)7.413.910.527.530.732.030.625.930.228.013.89.8
Average daytime temperature (°C)1.42.63.414.818.822.325.822.421.415.15.54.3
Average temperature (°C)-2.1-3.5-1.28.111.916.920.417.715.910.81.21.0
Average night temperature (°C)-5.6-8.7-5.62.95.512.115.613.911.37.3-2.2-1.5
Absolute minimum temperature (°C)-12.6-33.2-13.3-8.4-1.15.711.58.64.7-1.4-12.3-10.2

Collinsville monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.715.415.113.912.511.09.79.0
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)2.85.35.88.311.610.211.29.89.45.64.82.7
Precipitation (mm)1158110713169136136168789295134
Sunny days556141577717889
Rainy days161317161623242413231717
Snow days10108000000055

Collinsville - weather forecast by months

Collinsville weather in januaryCollinsville weather in februaryCollinsville weather in marchCollinsville weather in aprilCollinsville weather in mayCollinsville weather in juneCollinsville weather in julyCollinsville weather in augustCollinsville weather in septemberCollinsville weather in octoberCollinsville weather in novemberCollinsville weather in december

Best time to visit Collinsville:

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

  • May — 11.6(h)
  • June — 10.2(h)
  • July — 11.2(h)
  • August — 9.8(h)
  • September — 9.4(h)

Months with the longest average daylight duration in Collinsville:

  • June — 15.4(h)

The largest precipitation sum in Collinsville is at

  • August — 168(mm)

    • Weather forecast in the closest to Collinsville admin centers

    Weather forecast in the closest towns to Collinsville

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    Frequently asked questions

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