West Harrison Indiana Climate Data

Monthly Average Climate Data for West Harrison Indiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.1 °C4.2 °C85.6 mm
February-4.1 °C6.4 °C70.1 mm
March0.3 °C11.9 °C99.06 mm
April5.7 °C18.6 °C118.11 mm
May11.6 °C23.6 °C126.24 mm
June16.6 °C28.2 °C119.63 mm
July18.4 °C29.9 °C102.36 mm
August17.7 °C29.7 °C83.31 mm
September13 °C26.4 °C80.26 mm
October6.3 °C19.6 °C82.3 mm
November0.9 °C12.4 °C84.58 mm
December-2.6 °C6.3 °C91.95 mm
Annual6.6 °C18.1 °C1143.5 mm

Climate Data for West Harrison 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 : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com