Aspen Colorado Climate Data

Monthly Average Climate Data for Aspen Colorado

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.4 °F33.3 °F1.61 in.
February9.8 °F36.6 °F1.68 in.
March18.0 °F45.1 °F1.83 in.
April25.2 °F52.8 °F2.71 in.
May32.8 °F62.7 °F2.13 in.
June39.8 °F74.4 °F1.1 in.
July46.3 °F80.3 °F1.54 in.
August44.7 °F77.6 °F1.66 in.
September37.8 °F70.5 °F1.91 in.
October27.7 °F58.4 °F1.69 in.
November17.6 °F44.7 °F1.84 in.
December7.7 °F33.2 °F1.53 in.
Annual26.2 °F55.8 °F21.23 in.

Climate Data for Aspen Colorado

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 21 - Jun. 30
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfc - Subarctic With Cool Summers And Year Around Rainfall