Average annual temperature is 6.9 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -26.8 °C
Number of sunny days: 224 days
Number of rainy days: 96 days
Number of snow days: 45 days
Look at detailed online map of Alamosa
* Weather data for Alamosa United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 8.3 | 8.1 | 11.4 | 21.9 | 25.0 | 29.7 | 35.3 | 32.4 | 30.2 | 22.5 | 18.9 | 8.5 |
| Average daytime temperature (°C) | 0.8 | 2.2 | 5.8 | 14.8 | 20.3 | 24.9 | 32.0 | 28.8 | 24.0 | 17.8 | 9.0 | 1.5 |
| Average temperature (°C) | -6.1 | -6.2 | -1.2 | 5.4 | 11.9 | 16.1 | 22.8 | 19.9 | 14.9 | 8.9 | 1.1 | -5.9 |
| Average night temperature (°C) | -12.0 | -13.7 | -6.8 | -2.7 | 3.1 | 6.6 | 12.1 | 10.9 | 6.0 | 0.3 | -5.4 | -12.4 |
| Absolute minimum temperature (°C) | -24.2 | -26.8 | -15.9 | -9.3 | -1.4 | 2.0 | 7.6 | 6.8 | 1.0 | -7.0 | -15.9 | -22.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.9 | 9.3 | 9.8 | 11.5 | 12.1 | 13.4 | 13.4 | 12.0 | 10.8 | 10.1 | 8.9 | 7.8 |
| Precipitation (mm) | 16 | 23 | 38 | 13 | 57 | 21 | 1 | 17 | 28 | 6 | 5 | 17 |
| Sunny days | 21 | 17 | 15 | 16 | 11 | 13 | 26 | 18 | 19 | 22 | 25 | 21 |
| Rainy days | 1 | 0 | 6 | 12 | 20 | 17 | 5 | 13 | 11 | 8 | 2 | 1 |
| Snow days | 9 | 11 | 10 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 9 |
The best time to visit Alamosa during the most sunny months:
The largest precipitation sum in Alamosa is at