Marengo Indiana Climate Data

Monthly Average Climate Data for Marengo Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.1 °F41.2 °F3.83 in.
February24.8 °F46.0 °F3.6 in.
March32.4 °F55.6 °F4.81 in.
April41.9 °F67.4 °F5.6 in.
May52.5 °F76.0 °F5.61 in.
June60.9 °F83.5 °F5.23 in.
July64.4 °F86.5 °F4.68 in.
August62.6 °F86.0 °F3.51 in.
September55.0 °F80.4 °F3.77 in.
October43.2 °F69.2 °F3.88 in.
November33.6 °F56.0 °F4.01 in.
December26.7 °F45.1 °F4.27 in.
Annual43.3 °F66.1 °F52.8 in.

Climate Data for Marengo Indiana

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation