Bath Illinois Climate Data

Monthly Average Climate Data for Bath Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.2 °F34.4 °F2.04 in.
February20.4 °F39.0 °F1.96 in.
March30.4 °F51.2 °F2.57 in.
April40.8 °F64.1 °F3.91 in.
May52.6 °F74.7 °F4.91 in.
June62.1 °F83.6 °F4.85 in.
July65.2 °F86.7 °F4.27 in.
August62.9 °F85.3 °F3.49 in.
September54.5 °F79.9 °F3.55 in.
October42.3 °F67.1 °F3.1 in.
November31.9 °F52.0 °F2.82 in.
December23.1 °F39.8 °F2.28 in.
Annual42 °F63.2 °F39.75 in.

Climate Data for Bath 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
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