Sterling Colorado Climate Data

Monthly Average Climate Data for Sterling Colorado

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.6 °F42.4 °F0.3 in.
February16.9 °F45.0 °F0.42 in.
March25.1 °F55.7 °F0.79 in.
April32.6 °F63.1 °F1.61 in.
May43.3 °F72.2 °F2.59 in.
June53.6 °F84.7 °F2.36 in.
July60.0 °F91.4 °F2.6 in.
August56.8 °F88.9 °F2.02 in.
September47.5 °F80.5 °F1.22 in.
October34.1 °F66.9 °F1.12 in.
November23.1 °F53.1 °F0.46 in.
December14.5 °F41.9 °F0.41 in.
Annual35.2 °F65.5 °F15.9 in.

Climate Data for Sterling Colorado

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 : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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