Seymour Indiana Climate Data

Monthly Average Climate Data for Seymour Indiana

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.4 °F39.0 °F3.61 in.
February24.6 °F43.6 °F2.93 in.
March32.5 °F53.8 °F4.12 in.
April42.4 °F65.6 °F5.27 in.
May53.1 °F74.7 °F5.35 in.
June61.4 °F82.3 °F5.18 in.
July64.9 °F85.3 °F4.24 in.
August63.0 °F84.7 °F4.06 in.
September55.2 °F79.1 °F3.3 in.
October43.4 °F67.5 °F3.61 in.
November33.9 °F54.4 °F3.76 in.
December26.6 °F43.1 °F3.77 in.
Annual43.6 °F64.4 °F49.2 in.

Climate Data for Seymour 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 : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation