MCNARY DAM #2, OR US
GHCN ID: USC00355392 · OR, US · 110.0 m elevation · Records 2007-2026 (19 years)
Primary station for Umatilla, OR.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 41.1°F | 30.0°F | 35.6°F | 0.88 in | — |
| February | 46.2°F | 31.7°F | 38.9°F | 0.70 in | — |
| March | 55.5°F | 35.2°F | 45.4°F | 0.76 in | — |
| April | 62.9°F | 41.5°F | 52.2°F | 0.70 in | — |
| May | 71.9°F | 48.1°F | 60.0°F | 0.75 in | — |
| June | 79.2°F | 54.3°F | 66.7°F | 0.45 in | — |
| July | 88.5°F | 60.5°F | 74.5°F | 0.19 in | — |
| August | 87.7°F | 60.8°F | 74.3°F | 0.25 in | — |
| September | 78.0°F | 53.4°F | 65.7°F | 0.40 in | — |
| October | 64.3°F | 44.1°F | 54.2°F | 0.74 in | — |
| November | 50.6°F | 35.3°F | 42.9°F | 0.87 in | — |
| December | 41.2°F | 30.7°F | 36.0°F | 1.22 in | — |