Alamosa Colorado Climate Data

Monthly Average Climate Data for Alamosa Colorado

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January0.1 °F34.2 °F0.42 in.
February7.3 °F40.5 °F0.24 in.
March17.3 °F51.6 °F0.55 in.
April24.4 °F59.2 °F0.62 in.
May34.0 °F68.3 °F0.69 in.
June41.3 °F78.4 °F0.47 in.
July47.2 °F81.5 °F1.25 in.
August45.1 °F79.4 °F1.12 in.
September37.5 °F73.8 °F1.0 in.
October25.4 °F62.8 °F0.66 in.
November13.0 °F48.8 °F0.4 in.
December2.0 °F35.7 °F0.3 in.
Annual24.6 °F59.5 °F7.72 in.

Climate Data for Alamosa Colorado

Average First Frost DateSep.1 - Sep. 10
Average Last Frost DateJun. 21 - Jun. 30
Average Days With FrostOver 180 Days
Plant Hardiness Zone - 2023Zone 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate