Longview Illinois Climate Data

Monthly Average Climate Data for Longview Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.5 °F34.2 °F2.38 in.
February21.6 °F38.8 °F2.04 in.
March30.8 °F50.5 °F2.8 in.
April41.4 °F63.7 °F4.39 in.
May52.8 °F74.2 °F4.42 in.
June62.1 °F82.5 °F4.55 in.
July64.7 °F84.8 °F4.07 in.
August62.4 °F83.5 °F2.74 in.
September55.1 °F78.9 °F3.17 in.
October43.4 °F66.2 °F3.3 in.
November32.8 °F51.5 °F3.33 in.
December24.2 °F39.2 °F2.49 in.
Annual42.5 °F62.3 °F39.68 in.

Climate Data for Longview 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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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