Gladstone Illinois Climate Data

Monthly Average Climate Data for Gladstone Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9 °C0 °C37.08 mm
February-6.9 °C2.5 °C45.21 mm
March-0.9 °C9.4 °C61.21 mm
April5.1 °C16.7 °C96.01 mm
May11.7 °C22.6 °C127.51 mm
June17.1 °C27.7 °C117.6 mm
July19 °C29.7 °C101.6 mm
August17.8 °C28.7 °C94.23 mm
September13.2 °C25.3 °C92.96 mm
October6.6 °C18.2 °C72.9 mm
November0.1 °C9.9 °C62.23 mm
December-5.6 °C2.9 °C45.47 mm
Annual5.7 °C16.1 °C954.01 mm

Climate Data for Gladstone Illinois

Average First Frost DateOct. 21 - Oct. 31
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 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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