Nason Illinois Climate Data

Monthly Average Climate Data for Nason Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.3 °F39.9 °F3.14 in.
February26.5 °F44.8 °F2.75 in.
March35.2 °F55.0 °F3.94 in.
April45.4 °F66.9 °F5.0 in.
May55.9 °F75.9 °F5.25 in.
June64.5 °F84.8 °F4.78 in.
July68.0 °F87.7 °F4.15 in.
August65.7 °F86.8 °F3.13 in.
September57.5 °F80.7 °F3.16 in.
October45.8 °F69.2 °F3.32 in.
November35.7 °F55.3 °F4.1 in.
December27.6 °F44.0 °F3.13 in.
Annual45.9 °F65.9 °F45.85 in.

Climate Data for Nason Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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