BOULDER, CO US
GHCN ID: USC00050848 · CO, US · 1671.5 m elevation · Records 1893-2026 (133 years)
Primary station for Boulder, CO.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 47.0°F | 21.5°F | 34.3°F | 0.83 in | 11.3 in |
| February | 48.3°F | 22.3°F | 35.3°F | 0.99 in | 15.0 in |
| March | 57.0°F | 29.0°F | 43.0°F | 1.99 in | 15.7 in |
| April | 62.8°F | 34.5°F | 48.7°F | 3.05 in | 14.7 in |
| May | 71.3°F | 42.7°F | 57.0°F | 3.21 in | 2.0 in |
| June | 82.5°F | 51.1°F | 66.8°F | 1.95 in | — |
| July | 88.0°F | 57.0°F | 72.5°F | 1.83 in | — |
| August | 86.0°F | 55.5°F | 70.7°F | 1.68 in | — |
| September | 78.8°F | 48.1°F | 63.5°F | 2.09 in | 1.0 in |
| October | 65.9°F | 37.2°F | 51.6°F | 1.62 in | 7.0 in |
| November | 54.5°F | 28.1°F | 41.3°F | 1.18 in | 13.1 in |
| December | 46.3°F | 21.1°F | 33.7°F | 0.81 in | 13.0 in |