Spring Bay Illinois Climate Data

Monthly Average Climate Data for Spring Bay Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.7 °F33.1 °F2.09 in.
February20.0 °F37.5 °F1.98 in.
March29.8 °F49.8 °F2.55 in.
April40.3 °F63.4 °F3.81 in.
May51.3 °F74.0 °F4.8 in.
June60.9 °F82.9 °F4.4 in.
July64.8 °F86.1 °F3.77 in.
August62.9 °F84.6 °F3.56 in.
September54.6 °F78.8 °F3.52 in.
October42.5 °F66.3 °F3.06 in.
November31.9 °F51.0 °F2.67 in.
December22.4 °F38.2 °F2.09 in.
Annual41.5 °F62.1 °F38.3 in.

Climate Data for Spring Bay Illinois

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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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