Brownstown Indiana Climate Data

Monthly Average Climate Data for Brownstown Indiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.4 °C3.9 °C92.96 mm
February-4.2 °C6.6 °C75.18 mm
March0.1 °C12.2 °C105.41 mm
April5.6 °C18.8 °C135.38 mm
May11.7 °C23.8 °C136.65 mm
June16.3 °C28.1 °C128.52 mm
July18.2 °C29.8 °C106.43 mm
August17.1 °C29.4 °C98.3 mm
September12.8 °C26.3 °C86.36 mm
October6.1 °C19.8 °C91.69 mm
November0.8 °C12.4 °C98.04 mm
December-3.2 °C6.2 °C95.76 mm
Annual6.3 °C18.1 °C1250.68 mm

Climate Data for Brownstown 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