Warsaw Illinois Climate Data

Monthly Average Climate Data for Warsaw Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.4 °F34.0 °F1.69 in.
February20.9 °F38.6 °F1.87 in.
March30.9 °F50.8 °F2.58 in.
April41.9 °F63.4 °F4.06 in.
May53.3 °F73.5 °F5.45 in.
June63.1 °F82.6 °F5.09 in.
July66.8 °F86.4 °F4.23 in.
August64.7 °F84.8 °F3.77 in.
September56.3 °F78.3 °F3.66 in.
October44.5 °F65.8 °F3.29 in.
November32.9 °F51.3 °F2.65 in.
December23.0 °F38.8 °F1.97 in.
Annual43 °F62.4 °F40.31 in.

Climate Data for Warsaw Illinois

Average First Frost DateOct. 21 - Oct. 31
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 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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