ClimateForecastNovemberDecember >>

Bloomington (IL) Climate by Month

The climate in Bloomington is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to very cold in the cooler months. It is also known for its large amounts of rain/snowfall. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

In Bloomington, temperatures differ significantly between summer and winter months. Typically, daytime temperatures range from a comfortable 29°C in July to a very cold 0°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -9°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Bloomington experiences significant rain/snowfall throughout the year, averaging 1052 mm of precipitation annually. The climate in Bloomington shows significant variation throughout the year. Expect high rainfall in June, with an average of 129 mm of precipitation over 14 rainy days. In contrast, February offers drier and sunnier days, with around 52 mm of snow/rainfall over 8 snowy/rainy days.

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

Sunshine over the year

For those who appreciate different seasons, Bloomington serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.4 hours of sunshine daily, and embrace the darker days in December, offering only 3.9 hours of daily sunlight.

Monthly hours of sunshine

Data from: Peoria, the United States of America (55 KM, 34 Miles).

Daily hours of sunshine

Data from: Peoria, the United States of America (55 KM, 34 Miles).

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.

    Forecast for Bloomington (IL)

    Sat   Nov 23
    5°C | 1°C
    SW 18 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sun   Nov 24
    13°C | 2°C
    S 25 km/h
    broken clouds and no rain

    broken clouds and no rain

    Mon   Nov 25
    11°C | -2°C
    NW 29 km/h
    0.4 mm
    broken clouds and  chance of slight rain

    broken clouds and chance of slight rain