Johnstown Nebraska Climate Data

Monthly Average Climate Data for Johnstown Nebraska

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.3 °F35.2 °F0.44 in.
February15.7 °F38.2 °F0.64 in.
March24.3 °F48.8 °F1.17 in.
April33.7 °F58.1 °F2.65 in.
May44.9 °F68.7 °F3.95 in.
June55.4 °F79.3 °F3.88 in.
July61.1 °F86.7 °F3.06 in.
August58.8 °F84.3 °F2.77 in.
September49.3 °F76.9 °F2.35 in.
October36.0 °F62.4 °F1.81 in.
November24.4 °F48.9 °F0.68 in.
December15.4 °F37.3 °F0.55 in.
Annual36 °F60.4 °F23.95 in.

Climate Data for Johnstown Nebraska

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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