Bloomington Indiana Climate Data

Monthly Average Climate Data for Bloomington Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.4 °F37.7 °F3.57 in.
February24.0 °F42.5 °F2.86 in.
March32.4 °F52.8 °F3.63 in.
April43.0 °F65.0 °F5.11 in.
May53.3 °F74.1 °F5.48 in.
June62.0 °F82.3 °F5.44 in.
July65.1 °F85.5 °F4.7 in.
August63.3 °F84.8 °F3.4 in.
September55.8 °F79.0 °F3.77 in.
October44.3 °F66.9 °F3.72 in.
November34.3 °F53.9 °F4.01 in.
December26.4 °F42.0 °F3.51 in.
Annual43.8 °F63.9 °F49.2 in.

Climate Data for Bloomington Indiana

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation