Alamosa, CO Weather
Alamosa, CO climate is mild during summer when temperatures tend to be in the 60's and extremely cold during winter when temperatures tend to be in the 10's.
The warmest month of the year is July with an average maximum temperature of 81.70 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of -3.70 degrees Fahrenheit.
Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 35 degrees Fahrenheit, and relatively big during winter with an average difference of 36 degrees Fahrenheit.
The annual average precipitation at Alamosa is 7.25 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is August with an average rainfall of 1.19 Inches.
Weather Data
Current Conditions
|
|
Fair, 35°F | Humidity: 19% | Dewpoint: -3°F |
| Wind Speed: NW 3.5 MPH (3 KT) | Heat Index: 35°F | ||
| Barometer: 30.27 in. | Wind Chill: 35°F |
Weather Forecast
| Tonight: Mostly clear. Lows zero to 9. Light winds. | ||
| Lo: 5°F | ||
| Hi: 47°F | Wednesday: Sunny. Highs in the mid to upper 40s. Light winds. | |
| Lo: 7°F | ||
| Hi: 50°F | Thanksgiving day: Sunny. Highs near 50. Light winds. | |
| Lo: 12°F | ||
| Hi: 50°F | Friday: Sunny. Highs near 50. | |
| Lo: 15°F | ||
| Hi: 40°F | Saturday: Mostly cloudy. A 10 percent chance of showers. Highs near 40. Lows in the teens. | |
| Lo: 15°F | ||
| Hi: 34°F | Sunday: Mostly cloudy with a 10 percent chance of showers. Highs 30 to 36. Lows 9 to 14. | |
| Lo: 12°F | ||
| Hi: 34°F | Monday: Mostly cloudy with a 10 percent chance of showers. Highs 30 to 36. Lows 9 to 14. | |
| Lo: 12°F |
Moon, Sunrise and Sunset
![]() |
Moon Phase: Waxing Gibbous Moon | Civil Twilight: 6:23 AM MST |
Sunrise: 6:51 AM MST |
| Sunset: 4:47 PM MST |
Civil Twilight: 5:16 PM MST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 33.1 | 40.2 | 49.6 | 58.7 | 68.3 | 78.4 | 81.7 | 78.9 | 72.5 | 61.7 | 45.7 | 34.8 | 58.6 |
| Mean °F | 14.7 | 22.5 | 32.7 | 40.8 | 50.4 | 59.4 | 64.1 | 62.1 | 54.5 | 42.8 | 28.4 | 17.1 | 40.8 |
| Min °F | -3.7 | 4.7 | 15.8 | 22.8 | 32.4 | 40.4 | 46.4 | 45.2 | 36.5 | 23.9 | 11.1 | -0.7 | 22.9 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 0.25 | 0.21 | 0.46 | 0.54 | 0.70 | 0.59 | 0.94 | 1.19 | 0.89 | 0.67 | 0.48 | 0.33 | 7.25 |

