Ruma Illinois Climate Data

Monthly Average Climate Data for Ruma Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.0 °F40.9 °F2.64 in.
February26.3 °F46.1 °F2.47 in.
March34.6 °F56.2 °F3.61 in.
April44.8 °F68.0 °F4.88 in.
May55.7 °F77.1 °F5.17 in.
June64.5 °F86.0 °F4.37 in.
July68.2 °F89.1 °F3.99 in.
August65.9 °F88.1 °F3.16 in.
September57.4 °F81.6 °F3.28 in.
October45.8 °F70.3 °F3.1 in.
November35.4 °F56.1 °F3.77 in.
December26.9 °F44.7 °F2.98 in.
Annual45.7 °F67 °F43.42 in.

Climate Data for Ruma Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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