Morrison Colorado Climate Data

Monthly Average Climate Data for Morrison Colorado

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.5 °F45.5 °F0.74 in.
February19.1 °F46.5 °F0.95 in.
March26.5 °F54.5 °F1.85 in.
April32.6 °F60.0 °F2.91 in.
May41.7 °F68.7 °F2.86 in.
June50.8 °F80.7 °F1.85 in.
July57.1 °F86.7 °F1.99 in.
August55.2 °F84.3 °F1.69 in.
September46.9 °F77.0 °F1.58 in.
October35.1 °F64.3 °F1.39 in.
November25.8 °F53.2 °F1.08 in.
December18.1 °F44.8 °F0.85 in.
Annual35.6 °F63.9 °F19.74 in.

Climate Data for Morrison Colorado

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year