MCMILLIN RSVR, WA US
GHCN ID: USC00455224 · WA, US · 176.5 m elevation · Records 1941-2026 (85 years)
Primary station for Bonney Lake, WA.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 46.1°F | 33.3°F | 39.7°F | 6.12 in | 1.5 in |
| February | 48.0°F | 33.1°F | 40.6°F | 4.33 in | 0.5 in |
| March | 52.4°F | 35.7°F | 44.0°F | 4.80 in | 0.6 in |
| April | 57.3°F | 38.7°F | 48.0°F | 3.90 in | — |
| May | 64.3°F | 44.5°F | 54.4°F | 2.97 in | — |
| June | 69.0°F | 49.0°F | 59.0°F | 2.28 in | — |
| July | 75.7°F | 52.4°F | 64.0°F | 0.92 in | — |
| August | 76.5°F | 52.6°F | 64.5°F | 0.90 in | — |
| September | 69.6°F | 48.2°F | 58.9°F | 1.78 in | — |
| October | 59.1°F | 41.7°F | 50.4°F | 4.08 in | — |
| November | 50.3°F | 36.1°F | 43.2°F | 7.06 in | 1.5 in |
| December | 45.0°F | 32.9°F | 39.0°F | 5.99 in | 1.5 in |