Dayton Indiana Climate Data

Monthly Average Climate Data for Dayton Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.5 °F34.3 °F2.65 in.
February21.6 °F38.5 °F2.16 in.
March30.6 °F50.0 °F2.87 in.
April41.2 °F63.3 °F3.94 in.
May52.4 °F74.2 °F4.41 in.
June61.1 °F82.5 °F4.85 in.
July64.3 °F84.6 °F4.42 in.
August62.0 °F83.6 °F3.43 in.
September54.9 °F78.9 °F3.07 in.
October43.8 °F66.4 °F3.04 in.
November33.6 °F51.3 °F3.24 in.
December24.7 °F39.3 °F2.6 in.
Annual42.4 °F62.2 °F40.68 in.

Climate Data for Dayton 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