Rockville Indiana Climate Data

Monthly Average Climate Data for Rockville Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.4 °F35.4 °F3.07 in.
February22.2 °F40.2 °F2.58 in.
March31.3 °F51.4 °F3.34 in.
April41.6 °F64.5 °F4.69 in.
May52.2 °F74.7 °F4.94 in.
June61.3 °F83.2 °F5.09 in.
July64.3 °F85.8 °F4.47 in.
August62.0 °F84.5 °F3.55 in.
September54.3 °F79.1 °F3.2 in.
October43.2 °F67.0 °F3.69 in.
November33.1 °F51.9 °F3.66 in.
December24.3 °F39.9 °F2.93 in.
Annual42.4 °F63.1 °F45.21 in.

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 : -10°F to -5°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