Greeley Colorado Climate Data

Monthly Average Climate Data for Greeley Colorado

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.5 °F40.4 °F0.37 in.
February15.4 °F43.5 °F0.4 in.
March24.4 °F54.9 °F0.86 in.
April32.2 °F61.8 °F1.73 in.
May42.8 °F70.7 °F2.56 in.
June52.4 °F82.8 °F1.73 in.
July57.3 °F88.7 °F1.39 in.
August54.7 °F86.5 °F1.5 in.
September45.6 °F79.0 °F1.17 in.
October33.0 °F65.1 °F1.1 in.
November21.7 °F51.2 °F0.62 in.
December12.7 °F40.5 °F0.42 in.
Annual33.7 °F63.8 °F13.85 in.

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