Alamosa, CO Weather & Climate Normals
Alamosa's real weather, in one number
Alamosa, CO scores 38/100 on this site's reading of NOAA's own 30-year normals: weather-driven. Heat, cold, snow, or rainfall here are heavy enough that they shape daily life for a large part of the year. 4 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Alamosa's hottest and coldest months
Alamosa's hottest month is Jul, averaging 65°F; its coldest is Jan, averaging 18°F, a 47.8°F swing across the year, one of the widest gaps in this dataset.
Alamosa's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 35°F | 0°F | 0.39in | 6.9in |
| Feb | 43°F | 7°F | 0.26in | 4.2in |
| Mar | 53°F | 17°F | 0.46in | 4.3in |
| Apr | 59°F | 26°F | 0.53in | 4.5in |
| May | 69°F | 34°F | 0.65in | 0.8in |
| Jun | 79°F | 42°F | 0.26in | 0in |
| Jul | 83°F | 48°F | 1.16in | 0in |
| Aug | 80°F | 45°F | 1.43in | 0in |
| Sep | 75°F | 37°F | 0.94in | 0in |
| Oct | 64°F | 25°F | 0.59in | 2in |
| Nov | 51°F | 13°F | 0.36in | 3.1in |
| Dec | 37°F | 2°F | 0.23in | 4.2in |
Jun, Jul, Aug, and Sep are the best time to see Alamosa at its mildest; the rest of the year, plan around Jan's cold.
Rain and snow in Alamosa
Alamosa averages 7.26in of precipitation a year across roughly 64 days with measurable rain or snow, and 30in of snow a year.
Where Alamosa ranks
Alamosa ranks 4726 of 4876 US cities in this dataset for comfort score, and 67 of 79 within CO. About 9,906 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Alamosa 1e, CO US, 1.1 miles from Alamosa, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station