Anchor Illinois Climate Data

Monthly Average Climate Data for Anchor Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.3 °F32.4 °F2.16 in.
February19.6 °F37.1 °F1.84 in.
March28.9 °F49.0 °F2.57 in.
April39.6 °F62.3 °F3.67 in.
May51.5 °F73.4 °F4.43 in.
June60.9 °F81.9 °F4.29 in.
July63.9 °F84.6 °F4.01 in.
August61.6 °F83.0 °F3.48 in.
September53.7 °F78.1 °F3.25 in.
October42.3 °F65.4 °F3.28 in.
November31.5 °F50.2 °F2.66 in.
December21.9 °F37.5 °F2.12 in.
Annual41 °F61.2 °F37.76 in.

Climate Data for Anchor Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com