Pecatonica Illinois Climate Data

Monthly Average Climate Data for Pecatonica Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.1 °F28.5 °F1.6 in.
February15.4 °F32.7 °F1.64 in.
March25.9 °F45.0 °F2.14 in.
April36.6 °F58.7 °F3.68 in.
May48.5 °F70.2 °F4.4 in.
June58.5 °F79.7 °F5.35 in.
July62.0 °F82.7 °F4.12 in.
August60.1 °F81.2 °F4.04 in.
September51.5 °F74.9 °F3.65 in.
October40.0 °F62.0 °F2.9 in.
November28.9 °F46.7 °F2.26 in.
December18.6 °F33.9 °F1.92 in.
Annual38.2 °F58 °F37.7 in.

Climate Data for Pecatonica Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com