Temperature
Cool by day, freezing at night.
56°Ftypical March high
Typical range
Some snow or mixed precipitation is the main limitation.

Cool by day, freezing at night.
Some snow or mixed precipitation is possible this month.
Plenty of sun this month.
In March, afternoons feel about 44° and nights feel near 22°.
Partly cloudy skies this month.
Calm winds are typical in March.
March late afternoons are around 52°F, easing to about 45°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 44 | 20 | 0.9 | 5 | 8.5 | 61 |
| Feb | 47 | 21 | 1.0 | 6 | 9.3 | 59 |
| Mar | 56 | 28 | 1.9 | 8 | 10.5 | 54 |
| Apr | 64 | 35 | 2.6 | 10 | 11.0 | 53 |
| May | 71 | 44 | 3.4 | 13 | 12.1 | 57 |
| Jun | 83 | 54 | 1.9 | 9 | 12.9 | 52 |
| Jul | 89 | 60 | 1.5 | 8 | 13.0 | 50 |
| Aug | 86 | 59 | 1.5 | 7 | 12.4 | 51 |
| Sep | 80 | 51 | 1.4 | 6 | 11.1 | 50 |
| Oct | 67 | 40 | 1.5 | 6 | 9.7 | 53 |
| Nov | 55 | 29 | 1.0 | 5 | 8.6 | 56 |
| Dec | 45 | 21 | 0.9 | 5 | 8.1 | 59 |
Similar climates
Want a side-by-side climate view? Compare Arvada with Alturas.
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