Duncan Nebraska Climate Data

Monthly Average Climate Data for Duncan Nebraska

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.8 °F32.7 °F0.64 in.
February16.8 °F37.2 °F0.72 in.
March27.0 °F49.5 °F1.56 in.
April37.5 °F61.7 °F2.87 in.
May49.5 °F72.4 °F4.73 in.
June60.4 °F82.6 °F4.53 in.
July64.7 °F86.4 °F3.25 in.
August62.1 °F84.0 °F3.4 in.
September52.7 °F77.7 °F2.51 in.
October39.6 °F64.6 °F2.18 in.
November26.6 °F49.3 °F1.26 in.
December16.6 °F36.4 °F0.9 in.
Annual38.9 °F61.2 °F28.55 in.

Climate Data for Duncan Nebraska

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsExceptional Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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