Alamosa, CO
Climate overview — based on NOAA 1991-2020 normals from ALAMOSA 1E, CO US.
Year-round temperatures (°F)
Climate summary
Alamosa has an annual average temperature of 42.6°F with about 7.3 inches of precipitation per year and 30 inches of snow. The warmest month is July (average high 82.9°F), and the coldest is January (average low -0.4°F). August is typically the wettest month (1.43 in) and December the driest (0.23 in). Snow typically falls from October through May.
Best time to visit Alamosa
Full guide →Climate change signal
All-time records →249 of 366 (68%) of Alamosa's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 2000s | 43 | |
| 2010s | 168 | |
| 2020s | 155 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 35.3°F | -0.4°F | 17.4°F | 0.39 in | 6.9 in | 4 |
| February | 42.6°F | 7.0°F | 24.8°F | 0.26 in | 4.2 in | 3 |
| March | 52.8°F | 17.1°F | 35.0°F | 0.46 in | 4.3 in | 4 |
| April | 59.4°F | 25.5°F | 42.4°F | 0.53 in | 4.5 in | 4 |
| May | 69.2°F | 33.9°F | 51.6°F | 0.65 in | 0.8 in | 6 |
| June | 79.4°F | 41.7°F | 60.6°F | 0.26 in | — | 4 |
| July | 82.9°F | 47.7°F | 65.3°F | 1.16 in | — | 11 |
| August | 80.4°F | 45.1°F | 62.7°F | 1.43 in | — | 9 |
| September | 74.9°F | 37.1°F | 56.0°F | 0.94 in | — | 7 |
| October | 64.1°F | 25.2°F | 44.6°F | 0.59 in | 2.0 in | 4 |
| November | 50.5°F | 12.6°F | 31.5°F | 0.36 in | 3.1 in | 3 |
| December | 37.3°F | 1.6°F | 19.5°F | 0.23 in | 4.2 in | 5 |
Climate twins of Alamosa
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).