Keystone Nebraska Climate Data

Monthly Average Climate Data for Keystone Nebraska

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.1 °C4.1 °C8.38 mm
February-7.9 °C5.6 °C13.21 mm
March-3.9 °C11.8 °C25.15 mm
April0.9 °C16.3 °C54.86 mm
May7.1 °C21.7 °C87.63 mm
June13.1 °C28.3 °C83.06 mm
July16.1 °C31.7 °C72.39 mm
August15 °C30.5 °C54.1 mm
September9.8 °C26.1 °C37.85 mm
October2.2 °C18.3 °C32.77 mm
November-4.2 °C10.7 °C12.7 mm
December-8.8 °C4.6 °C8.64 mm
Annual2.5 °C17.5 °C490.74 mm

Climate Data for Keystone Nebraska

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 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 ConditionsModerate Drought
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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