Best year time to visit Forest Park

General weather information about Forest Park

Average annual temperature is 12.8 °C

Absolute maximum temperature: 35.3 °C

Absolute minimum temperature: -13.2 °C

Number of sunny days: 180 days

Number of rainy days: 181 days

Number of snow days: 4 days

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

Forest Park air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.217.617.629.929.435.333.930.634.327.420.315.3
Average daytime temperature (°C)8.49.010.619.122.526.630.127.824.219.511.08.7
Average temperature (°C)4.43.75.012.715.620.224.322.519.314.26.04.6
Average night temperature (°C)1.1-0.60.27.59.114.619.718.215.39.91.91.1
Absolute minimum temperature (°C)-4.9-13.2-5.4-0.63.910.216.514.29.94.5-5.3-4.8

Forest Park 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)9.710.711.913.314.415.014.713.712.511.110.09.4
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.36.97.58.711.310.611.410.18.18.27.64.8
Precipitation (mm)1044378128491191381191984472172
Sunny days121813151914101214181916
Rainy days19817151216211916131015
Snow days021000000010

Forest Park - weather forecast by months

Forest Park weather in januaryForest Park weather in februaryForest Park weather in marchForest Park weather in aprilForest Park weather in mayForest Park weather in juneForest Park weather in julyForest Park weather in augustForest Park weather in septemberForest Park weather in octoberForest Park weather in novemberForest Park weather in december

Best time to visit Forest Park:

The best time to visit Forest Park during the most sunny months:

  • May — 11.3(h)
  • June — 10.6(h)
  • July — 11.4(h)

The largest precipitation sum in Forest Park is at

  • July — 138(mm)
  • September — 198(mm)
  • December — 172(mm)

    • Weather forecast in the closest to Forest Park admin centers

    Weather forecast in the closest towns to Forest Park

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    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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