Newton Illinois Climate Data

Monthly Average Climate Data for Newton Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.6 °F37.7 °F3.25 in.
February24.5 °F42.5 °F2.6 in.
March33.4 °F53.3 °F3.6 in.
April43.7 °F65.6 °F4.91 in.
May54.5 °F75.2 °F5.0 in.
June63.4 °F83.7 °F5.32 in.
July66.1 °F87.0 °F4.3 in.
August64.0 °F86.0 °F3.02 in.
September55.9 °F80.6 °F3.21 in.
October44.7 °F68.6 °F3.62 in.
November34.3 °F54.0 °F3.73 in.
December26.2 °F42.2 °F3.21 in.
Annual44.4 °F64.7 °F45.77 in.

Climate Data for Newton Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°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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