Phillipstown Illinois Climate Data

Monthly Average Climate Data for Phillipstown Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.6 °C4.5 °C89.92 mm
February-3.1 °C7.3 °C72.9 mm
March1.4 °C12.9 °C106.17 mm
April7.2 °C19.6 °C121.16 mm
May13.2 °C24.9 °C133.35 mm
June17.9 °C29.7 °C112.78 mm
July19.6 °C31.1 °C105.92 mm
August18.4 °C30.5 °C78.23 mm
September14.2 °C27.7 °C81.53 mm
October7.7 °C21.1 °C85.34 mm
November1.8 °C13.1 °C95.5 mm
December-2.4 °C6.9 °C86.61 mm
Annual7.6 °C19.1 °C1169.41 mm

Climate Data for Phillipstown 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 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
2024 plantmaps.com