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Bloomington (IN) Weather and Climate: A Comprehensive Guide

The temperature in Bloomington can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It also experiences much rain/snowfall throughout the year. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Visitors to Bloomington can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 29°C in August. In January, the coolest month of the year, temperatures drop to a chilly 3°C.

At night, you can expect cooler temperatures, with averages dropping to around -7°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Bloomington is known for its substantial rain/snowfall, with annual precipitation reaching 1321 mm. Bloomington can be quite wet during June, receiving approximately 168 mm of precipitation over 13 rainy days.

In contrast August, experiences much drier conditions, with 74 mm of rainfall, spread across 8 rainy days. For more details, please visit our Bloomington Precipitation page.

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

Sunshine over the year

Bloomington can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.9 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.5 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Indianapolis, the United States of America (74 KM, 46 Miles).

Daily hours of sunshine

Data from: Indianapolis, the United States of America (74 KM, 46 Miles).

Forecast for Bloomington (IN)

Sun   Dec 22
2°C | -7°C
S 3 m/s
almost clear and no rain

almost clear and no rain

Mon   Dec 23
6°C | -3°C
S 5 m/s
1.6 mm
overcast and  chance of slight rain

overcast and chance of slight rain

Tue   Dec 24
6°C | 2°C
SW 2 m/s
overcast and no rain

overcast and no 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?
    August 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 3°C.
  • Which is the wettest month in Bloomington?
    June tops the wettest month list with 168 mm of rainfall.
  • Which is the driest month in Bloomington?
    August is the driest month with 74 mm of precipitation.
  • Which is the sunniest month in Bloomington?
    July is the sunniest month with an average of 297 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.