SWAN VALLEY, ID US
GHCN ID: USC00108937 · ID, US · 1645.0 m elevation · Records 1960-2026 (66 years)
Primary station for Irwin, ID.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 30.4°F | 11.0°F | 20.7°F | 1.85 in | — |
| February | 34.7°F | 13.8°F | 24.2°F | 1.32 in | — |
| March | 45.0°F | 21.5°F | 33.3°F | 1.54 in | — |
| April | 56.1°F | 27.2°F | 41.6°F | 1.88 in | — |
| May | 65.9°F | 34.6°F | 50.3°F | 2.53 in | — |
| June | 74.9°F | 40.7°F | 57.8°F | 2.07 in | — |
| July | 84.9°F | 45.8°F | 65.3°F | 1.25 in | — |
| August | 84.2°F | 44.2°F | 64.2°F | 1.25 in | — |
| September | 74.5°F | 37.4°F | 55.9°F | 1.55 in | — |
| October | 59.3°F | 28.5°F | 43.9°F | 1.81 in | — |
| November | 43.0°F | 20.3°F | 31.6°F | 1.59 in | — |
| December | 31.6°F | 12.4°F | 22.0°F | 1.44 in | — |