Bartonville Illinois Climate Data

Monthly Average Climate Data for Bartonville Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.1 °F33.5 °F2.1 in.
February20.4 °F38.2 °F2.03 in.
March30.4 °F50.5 °F2.58 in.
April41.1 °F63.3 °F3.87 in.
May52.6 °F73.8 °F4.91 in.
June62.1 °F82.9 °F4.61 in.
July65.4 °F86.0 °F3.9 in.
August63.2 °F84.7 °F3.39 in.
September54.8 °F79.0 °F3.41 in.
October42.7 °F66.2 °F3.16 in.
November31.9 °F51.4 °F2.72 in.
December22.8 °F38.9 °F2.1 in.
Annual42 °F62.4 °F38.78 in.

Climate Data for Bartonville 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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