Dawson Illinois Climate Data

Monthly Average Climate Data for Dawson Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.5 °F35.2 °F2.08 in.
February21.7 °F40.0 °F1.94 in.
March30.9 °F51.6 °F2.66 in.
April41.7 °F64.3 °F4.02 in.
May53.2 °F74.4 °F4.57 in.
June62.3 °F82.9 °F4.58 in.
July65.3 °F86.0 °F3.74 in.
August63.4 °F84.5 °F3.32 in.
September55.0 °F79.3 °F3.13 in.
October43.4 °F66.9 °F3.23 in.
November32.6 °F52.1 °F2.94 in.
December24.0 °F40.2 °F2.16 in.
Annual42.7 °F63.1 °F38.37 in.

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