Glasgow Illinois Climate Data

Monthly Average Climate Data for Glasgow Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.4 °C2.1 °C55.37 mm
February-5.5 °C5 °C51.82 mm
March-0.4 °C11.3 °C74.42 mm
April5.4 °C18.2 °C106.17 mm
May11.7 °C23.6 °C123.7 mm
June16.9 °C28.4 °C127.76 mm
July18.8 °C30.3 °C101.09 mm
August17.4 °C29.7 °C86.61 mm
September12.7 °C26.4 °C84.58 mm
October6.3 °C19.6 °C76.2 mm
November0.4 °C11.6 °C76.45 mm
December-4.6 °C4.8 °C57.4 mm
Annual6 °C17.6 °C1021.57 mm

Climate Data for Glasgow Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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