Woodstock Illinois Climate Data

Monthly Average Climate Data for Woodstock Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.3 °F29.9 °F1.77 in.
February16.9 °F34.2 °F1.88 in.
March26.2 °F45.7 °F2.26 in.
April36.2 °F58.4 °F3.84 in.
May47.8 °F70.0 °F4.66 in.
June57.5 °F79.6 °F5.0 in.
July61.9 °F83.3 °F4.0 in.
August60.2 °F81.5 °F3.94 in.
September52.4 °F74.6 °F3.62 in.
October41.3 °F61.6 °F3.08 in.
November30.3 °F47.1 °F2.48 in.
December19.9 °F34.5 °F2.02 in.
Annual38.7 °F58.4 °F38.55 in.

Climate Data for Woodstock Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°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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