Grandview, WA
Climate overview — based on NOAA 1991-2020 normals from SUNNYSIDE, WA US.
Year-round temperatures (°F)
Climate summary
Grandview has an annual average temperature of 49.9°F with about 7.6 inches of precipitation per year. The warmest month is July (average high 88.2°F), and the coldest is December (average low 22.4°F). December is typically the wettest month (1.18 in) and July the driest (0.14 in).
Best time to visit Grandview
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Grandview's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1890s | 20 | |
| 1900s | 8 | |
| 1910s | 48 | |
| 1920s | 56 | |
| 1930s | 54 | |
| 1940s | 19 | |
| 1950s | 20 | |
| 1960s | 40 | |
| 1970s | 19 | |
| 1980s | 25 | |
| 1990s | 23 | |
| 2000s | 34 | |
| 2010s | 0 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 37.6°F | 23.0°F | 30.3°F | 0.98 in | — | 9 |
| February | 45.4°F | 24.3°F | 34.9°F | 0.65 in | — | 6 |
| March | 55.4°F | 29.7°F | 42.5°F | 0.54 in | — | 6 |
| April | 63.3°F | 35.6°F | 49.4°F | 0.61 in | — | 6 |
| May | 72.8°F | 43.7°F | 58.2°F | 0.75 in | — | 6 |
| June | 79.2°F | 49.1°F | 64.2°F | 0.59 in | — | 4 |
| July | 88.2°F | 54.4°F | 71.3°F | 0.14 in | — | 2 |
| August | 86.5°F | 52.2°F | 69.4°F | 0.26 in | — | 2 |
| September | 77.7°F | 44.5°F | 61.1°F | 0.36 in | — | 3 |
| October | 63.6°F | 35.2°F | 49.4°F | 0.74 in | — | 6 |
| November | 48.3°F | 27.4°F | 37.8°F | 0.85 in | — | 8 |
| December | 37.1°F | 22.4°F | 29.7°F | 1.18 in | — | 9 |
Climate twins of Grandview
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).