Rockville Indiana Climate Data

Monthly Average Climate Data for Rockville Indiana

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7 °C1.9 °C77.98 mm
February-5.4 °C4.6 °C65.53 mm
March-0.4 °C10.8 °C84.84 mm
April5.3 °C18.1 °C119.13 mm
May11.2 °C23.7 °C125.48 mm
June16.3 °C28.4 °C129.29 mm
July17.9 °C29.9 °C113.54 mm
August16.7 °C29.2 °C90.17 mm
September12.4 °C26.2 °C81.28 mm
October6.2 °C19.4 °C93.73 mm
November0.6 °C11.1 °C92.96 mm
December-4.3 °C4.4 °C74.42 mm
Annual5.8 °C17.3 °C1148.35 mm

Climate Data for Rockville Indiana

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation