PROSSER, WA US
GHCN ID: USC00456768 · WA, US · 253.0 m elevation · Records 1925-2026 (101 years)
Primary station for Prosser, WA.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 40.1°F | 26.8°F | 33.5°F | 1.24 in | — |
| February | 46.7°F | 28.6°F | 37.6°F | 0.90 in | — |
| March | 55.9°F | 34.9°F | 45.4°F | 0.69 in | — |
| April | 64.6°F | 39.9°F | 52.2°F | 0.74 in | — |
| May | 74.1°F | 47.9°F | 61.0°F | 0.88 in | — |
| June | 80.9°F | 53.6°F | 67.2°F | 0.68 in | — |
| July | 90.4°F | 59.5°F | 75.0°F | 0.21 in | — |
| August | 89.2°F | 57.7°F | 73.4°F | 0.16 in | — |
| September | 79.7°F | 50.1°F | 64.9°F | 0.27 in | — |
| October | 64.7°F | 40.8°F | 52.8°F | 0.77 in | — |
| November | 49.3°F | 31.7°F | 40.5°F | 0.86 in | — |
| December | 39.5°F | 26.3°F | 32.9°F | 1.33 in | — |