Keystone Nebraska Climate Data

Monthly Average Climate Data for Keystone Nebraska

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.6 °F39.4 °F0.33 in.
February17.7 °F42.1 °F0.52 in.
March24.9 °F53.2 °F0.99 in.
April33.7 °F61.4 °F2.16 in.
May44.7 °F71.1 °F3.45 in.
June55.6 °F83.0 °F3.27 in.
July61.0 °F89.1 °F2.85 in.
August59.0 °F86.9 °F2.13 in.
September49.6 °F79.0 °F1.49 in.
October36.0 °F65.0 °F1.29 in.
November24.5 °F51.3 °F0.5 in.
December16.2 °F40.2 °F0.34 in.
Annual36.5 °F63.5 °F19.32 in.

Climate Data for Keystone Nebraska

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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