Mount Zion Illinois Climate Data

Monthly Average Climate Data for Mount Zion Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.0 °F35.1 °F2.32 in.
February22.1 °F39.9 °F2.03 in.
March31.2 °F51.1 °F2.75 in.
April41.9 °F64.1 °F4.24 in.
May53.4 °F74.3 °F4.59 in.
June62.2 °F83.1 °F4.66 in.
July65.3 °F85.9 °F3.65 in.
August63.1 °F84.5 °F3.22 in.
September55.3 °F79.5 °F3.1 in.
October43.6 °F66.8 °F3.3 in.
November32.9 °F51.8 °F3.16 in.
December24.7 °F39.9 °F2.43 in.
Annual42.9 °F63 °F39.45 in.

Climate Data for Mount Zion 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 6a : -10°F to -5°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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