Cortland Nebraska Climate Data

Monthly Average Climate Data for Cortland Nebraska

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.6 °C1.7 °C18.54 mm
February-7.1 °C3.9 °C23.62 mm
March-1.9 °C10.7 °C44.45 mm
April4.1 °C16.9 °C69.6 mm
May10.3 °C22.6 °C139.95 mm
June16.4 °C28.3 °C114.3 mm
July18.6 °C30.4 °C100.33 mm
August17.6 °C29.8 °C82.3 mm
September12.5 °C25.8 °C73.91 mm
October5.5 °C19.1 °C60.2 mm
November-1.6 °C10.5 °C35.31 mm
December-7 °C3.7 °C28.45 mm
Annual4.8 °C17 °C790.96 mm

Climate Data for Cortland Nebraska

Average First Frost DateOct. 1 - Oct. 10
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 5b : -26.1°C to -23.3°C
Current Drought ConditionsExtreme Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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