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Climate in Forsyth (Illinois), United States of America

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Weather Forecasts for Forsyth (IL)

Tue   Apr 30
25°C | 10°C
SW 14 km/h
0.1 mm
partly cloudy and small chance of slight rain

partly cloudy and small chance of slight rain

Wed   May 01
24°C | 16°C
NW 22 km/h
almost clear and no rain

almost clear and no rain

Thu   May 02
28°C | 14°C
S 29 km/h
broken clouds and no rain

broken clouds and no rain

The best time of year to visit Forsyth in the United States of America

Other facts from our historical weather data:

  • When is summer in Forsyth?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Forsyth?
    July has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Forsyth?
    The coldest month is January with an average maximum temperature of 2°C.
  • Which is the wettest month in Forsyth?
    June tops the wettest month list with 147 mm of rainfall.
  • Which is the driest month in Forsyth?
    January is the driest month with 44 mm of precipitation.
  • Which is the sunniest month in Forsyth?
    July is the sunniest month with an average of 320 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.