Grinnell Kansas Climate Data

Monthly Average Climate Data for Grinnell Kansas

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.6 °C5.9 °C10.16 mm
February-7.2 °C7.7 °C15.49 mm
March-2.8 °C13.4 °C29.21 mm
April2.1 °C18.2 °C49.02 mm
May8.4 °C23.6 °C82.55 mm
June14.5 °C30 °C72.39 mm
July17.4 °C32.7 °C93.22 mm
August16.4 °C31.3 °C75.95 mm
September11.3 °C27.2 °C43.43 mm
October3.8 °C20 °C42.16 mm
November-2.9 °C12.5 °C17.78 mm
December-7.7 °C6.6 °C16.76 mm
Annual3.7 °C19.1 °C548.12 mm

Climate Data for Grinnell Kansas

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 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 ConditionsExtreme Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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