Sumner Nebraska Climate Data

Monthly Average Climate Data for Sumner Nebraska

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10 °C2.9 °C10.16 mm
February-8.4 °C5.1 °C15.75 mm
March-3.5 °C11.2 °C33.02 mm
April1.9 °C16.7 °C63.25 mm
May8.1 °C22.2 °C102.11 mm
June14.2 °C28 °C95.76 mm
July16.8 °C30.6 °C83.82 mm
August15.6 °C29.3 °C76.45 mm
September10.1 °C25.8 °C46.74 mm
October2.7 °C18.7 °C43.94 mm
November-4.2 °C10.6 °C22.35 mm
December-9.1 °C4.2 °C16 mm
Annual2.9 °C17.1 °C609.35 mm

Climate Data for Sumner Nebraska

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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