Ashland Illinois Climate Data

Monthly Average Climate Data for Ashland Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.6 °F35.2 °F2.11 in.
February22.0 °F40.2 °F1.91 in.
March31.1 °F51.8 °F2.67 in.
April41.8 °F64.3 °F4.0 in.
May53.3 °F74.1 °F4.69 in.
June62.5 °F82.5 °F4.63 in.
July65.6 °F85.6 °F3.98 in.
August63.4 °F84.3 °F3.51 in.
September55.1 °F79.1 °F3.4 in.
October43.7 °F66.6 °F3.13 in.
November33.0 °F52.3 °F2.97 in.
December24.0 °F40.3 °F2.22 in.
Annual42.8 °F63 °F39.22 in.

Climate Data for Ashland Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 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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