BOUNDARY DAM, WA US
GHCN ID: USC00450844 · WA, US · 559.9 m elevation · Records 1965-2026 (61 years)
Primary station for Metaline, WA.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 32.6°F | 20.9°F | 26.7°F | 3.10 in | 18.5 in |
| February | 38.3°F | 21.5°F | 29.9°F | 1.98 in | 7.7 in |
| March | 47.5°F | 26.8°F | 37.1°F | 2.35 in | 3.4 in |
| April | 58.0°F | 32.6°F | 45.3°F | 2.21 in | 0.1 in |
| May | 67.2°F | 40.9°F | 54.0°F | 2.60 in | — |
| June | 72.4°F | 47.8°F | 60.1°F | 3.18 in | — |
| July | 83.6°F | 52.0°F | 67.8°F | 1.42 in | — |
| August | 84.6°F | 49.8°F | 67.2°F | 0.81 in | — |
| September | 72.9°F | 42.6°F | 57.8°F | 1.32 in | — |
| October | 55.7°F | 34.6°F | 45.2°F | 2.40 in | 0.1 in |
| November | 40.3°F | 28.1°F | 34.2°F | 3.23 in | 6.8 in |
| December | 32.2°F | 21.4°F | 26.8°F | 3.60 in | 18.2 in |