Basco Illinois Climate Data

Monthly Average Climate Data for Basco Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.0 °F33.9 °F1.73 in.
February20.6 °F38.8 °F1.96 in.
March30.7 °F50.9 °F2.54 in.
April41.6 °F63.7 °F4.04 in.
May53.1 °F73.7 °F5.34 in.
June62.8 °F83.0 °F4.92 in.
July66.3 °F86.7 °F4.14 in.
August64.0 °F85.0 °F3.9 in.
September55.6 °F79.0 °F3.69 in.
October43.9 °F66.1 °F3.22 in.
November32.5 °F51.5 °F2.63 in.
December22.7 °F38.9 °F1.96 in.
Annual42.6 °F62.6 °F40.07 in.

Climate Data for Basco Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
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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