Greeley Colorado Climate Data

Monthly Average Climate Data for Greeley Colorado

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.8 °C4.7 °C9.4 mm
February-9.2 °C6.4 °C10.16 mm
March-4.2 °C12.7 °C21.84 mm
April0.1 °C16.6 °C43.94 mm
May6 °C21.5 °C65.02 mm
June11.3 °C28.2 °C43.94 mm
July14.1 °C31.5 °C35.31 mm
August12.6 °C30.3 °C38.1 mm
September7.6 °C26.1 °C29.72 mm
October0.6 °C18.4 °C27.94 mm
November-5.7 °C10.7 °C15.75 mm
December-10.7 °C4.7 °C10.67 mm
Annual1 °C17.7 °C351.79 mm

Climate Data for Greeley 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 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate