McCook Nebraska Climate Data

Monthly Average Climate Data for McCook Nebraska

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.6 °F40.9 °F0.29 in.
February17.0 °F43.8 °F0.56 in.
March25.6 °F55.3 °F1.04 in.
April35.1 °F64.2 °F2.22 in.
May46.6 °F73.8 °F3.09 in.
June57.6 °F85.0 °F3.33 in.
July63.2 °F90.6 °F3.35 in.
August60.7 °F88.1 °F3.12 in.
September50.7 °F80.9 °F1.62 in.
October36.8 °F67.6 °F1.64 in.
November24.3 °F53.4 °F0.79 in.
December15.9 °F41.8 °F0.55 in.
Annual37.3 °F65.5 °F21.6 in.

Climate Data for McCook Nebraska

Average First Frost DateOct. 1 - Oct. 10
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 ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
2024 plantmaps.com