Stanford Illinois Climate Data

Monthly Average Climate Data for Stanford Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.4 °F33.1 °F2.25 in.
February19.9 °F38.1 °F1.95 in.
March29.4 °F50.0 °F2.65 in.
April40.1 °F63.5 °F3.82 in.
May51.7 °F73.8 °F4.62 in.
June61.2 °F82.7 °F4.31 in.
July64.3 °F85.7 °F3.93 in.
August62.1 °F84.1 °F3.61 in.
September54.1 °F79.1 °F3.3 in.
October42.5 °F66.0 °F3.27 in.
November31.5 °F51.0 °F2.84 in.
December22.2 °F38.3 °F2.29 in.
Annual41.3 °F62.1 °F38.84 in.

Climate Data for Stanford Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost125-150 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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