Boswell Indiana Climate Data

Monthly Average Climate Data for Boswell Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.0 °F32.6 °F2.21 in.
February19.9 °F37.1 °F1.87 in.
March29.1 °F48.8 °F2.72 in.
April39.6 °F62.4 °F4.02 in.
May51.2 °F73.3 °F4.4 in.
June60.7 °F81.6 °F5.04 in.
July63.3 °F83.9 °F4.51 in.
August61.1 °F82.5 °F3.41 in.
September53.4 °F78.1 °F3.07 in.
October42.3 °F65.5 °F3.23 in.
November31.8 °F50.1 °F2.83 in.
December22.6 °F37.7 °F2.27 in.
Annual41 °F61.1 °F39.58 in.

Climate Data for Boswell Indiana

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation