New Holland Illinois Climate Data

Monthly Average Climate Data for New Holland Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.7 °F34.5 °F2.11 in.
February21.0 °F39.3 °F1.78 in.
March30.6 °F51.3 °F2.49 in.
April41.3 °F64.5 °F3.89 in.
May52.9 °F74.8 °F4.48 in.
June62.2 °F83.4 °F4.52 in.
July65.1 °F86.1 °F4.24 in.
August62.8 °F84.8 °F3.51 in.
September54.6 °F79.7 °F3.28 in.
October43.1 °F67.2 °F3.04 in.
November32.2 °F51.9 °F2.79 in.
December23.2 °F39.6 °F2.19 in.
Annual42.2 °F63.1 °F38.32 in.

Climate Data for New Holland 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 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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