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Bloomington (IL) Climate by Month

The graphs below provide an overview of the climate in Bloomington (Illinois), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

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.

Forecast for Bloomington (IL)

Sat   Nov 02
16°C | 2°C
SE 18 km/h
almost clear and no rain

almost clear and no rain

Sun   Nov 03
17°C | 6°C
SE 29 km/h
3.1 mm
overcast and rain

overcast and rain

Mon   Nov 04
20°C | 15°C
S 36 km/h
13 mm
overcast and rain

overcast and rain

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

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • When is summer in Bloomington?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Bloomington?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Bloomington?
    The coldest month is January with an average maximum temperature of 0°C.
  • Which is the wettest month in Bloomington?
    June tops the wettest month list with 129 mm of rainfall.
  • Which is the driest month in Bloomington?
    February is the driest month with 52 mm of precipitation.
  • Which is the sunniest month in Bloomington?
    July is the sunniest month with an average of 311 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.