ROSS DAM, WA US
GHCN ID: USC00457185 · WA, US · 376.7 m elevation · Records 1960-2026 (66 years)
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 37.5°F | 30.0°F | 33.8°F | 9.72 in | 17.2 in |
| February | 41.3°F | 30.5°F | 35.9°F | 5.98 in | 11.9 in |
| March | 47.3°F | 33.2°F | 40.2°F | 6.37 in | 7.8 in |
| April | 55.7°F | 37.9°F | 46.8°F | 3.23 in | 0.3 in |
| May | 65.1°F | 44.8°F | 54.9°F | 2.06 in | — |
| June | 69.9°F | 49.9°F | 59.9°F | 1.68 in | — |
| July | 78.6°F | 55.1°F | 66.8°F | 0.99 in | — |
| August | 79.0°F | 55.8°F | 67.4°F | 1.21 in | — |
| September | 70.4°F | 50.4°F | 60.4°F | 2.50 in | — |
| October | 56.0°F | 42.5°F | 49.2°F | 6.72 in | — |
| November | 43.7°F | 35.3°F | 39.5°F | 11.07 in | 5.8 in |
| December | 37.6°F | 30.5°F | 34.0°F | 9.23 in | 23.7 in |