Shiloh Illinois Climate Data

Monthly Average Climate Data for Shiloh Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.9 °F40.0 °F2.89 in.
February27.2 °F45.4 °F2.47 in.
March36.1 °F55.8 °F3.58 in.
April46.7 °F67.3 °F5.1 in.
May57.6 °F76.2 °F5.3 in.
June66.3 °F85.2 °F5.04 in.
July70.2 °F88.3 °F4.02 in.
August68.1 °F87.2 °F3.47 in.
September60.1 °F80.8 °F3.48 in.
October49.1 °F69.1 °F3.23 in.
November37.2 °F54.9 °F3.82 in.
December28.8 °F44.3 °F2.89 in.
Annual47.6 °F66.2 °F45.29 in.

Climate Data for Shiloh Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
2024 plantmaps.com