Alpine Colorado Climate Data

Monthly Average Climate Data for Alpine Colorado

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January1.8 °F33.5 °F0.59 in.
February6.2 °F37.7 °F0.98 in.
March16.0 °F47.2 °F1.15 in.
April23.5 °F54.5 °F0.82 in.
May31.8 °F63.6 °F1.14 in.
June38.7 °F74.3 °F0.81 in.
July44.9 °F77.6 °F1.93 in.
August43.9 °F75.6 °F2.06 in.
September36.4 °F70.2 °F1.57 in.
October26.1 °F59.4 °F1.07 in.
November14.3 °F46.1 °F0.63 in.
December3.4 °F34.1 °F0.8 in.
Annual23.9 °F56.2 °F13.55 in.

Climate Data for Alpine Colorado

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateJun. 1 - Jun. 10
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year