Temperature
Cool by day, freezing at night.
60°Ftypical April high
Typical range
Cool days and plenty of sun.

Cool by day, freezing at night.
Some precipitation is expected this month.
Plenty of sun this month.
In April, afternoons feel about 46° and nights feel near 25°.
Mostly clear skies this month.
Calm winds are typical in April.
April late afternoons are around 57°F, easing to about 50°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 37 | 10 | 0.6 | 4 | 9.0 | 62 |
| Feb | 42 | 16 | 0.6 | 4 | 9.9 | 57 |
| Mar | 52 | 25 | 0.8 | 5 | 11.0 | 49 |
| Apr | 60 | 31 | 1.1 | 6 | 11.8 | 43 |
| May | 69 | 39 | 1.2 | 7 | 13.1 | 41 |
| Jun | 80 | 48 | 0.7 | 6 | 13.5 | 37 |
| Jul | 84 | 53 | 1.2 | 9 | 13.1 | 49 |
| Aug | 81 | 52 | 1.2 | 8 | 12.3 | 52 |
| Sep | 75 | 45 | 1.0 | 5 | 11.5 | 49 |
| Oct | 63 | 34 | 0.9 | 4 | 10.3 | 49 |
| Nov | 49 | 24 | 0.5 | 3 | 9.4 | 50 |
| Dec | 38 | 13 | 0.6 | 4 | 8.7 | 59 |
Similar climates
Want a side-by-side climate view? Compare Alamosa with Arco.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology