Topeka Illinois Climate Data

Monthly Average Climate Data for Topeka Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.9 °F34.2 °F2.0 in.
February20.3 °F38.9 °F1.96 in.
March30.2 °F51.0 °F2.53 in.
April40.7 °F63.9 °F4.01 in.
May52.6 °F74.5 °F4.95 in.
June62.0 °F83.5 °F4.83 in.
July65.1 °F86.6 °F4.1 in.
August62.7 °F85.2 °F3.68 in.
September54.2 °F79.9 °F3.42 in.
October42.2 °F67.0 °F3.2 in.
November31.7 °F51.8 °F2.77 in.
December22.7 °F39.5 °F2.24 in.
Annual41.8 °F63 °F39.69 in.

Climate Data for Topeka Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
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
2024 plantmaps.com