Maple Valley, WA
Climate overview — based on NOAA 1991-2020 normals from LANDSBURG, WA US.
Year-round temperatures (°F)
Climate summary
Maple Valley has an annual average temperature of 50.5°F with about 59.7 inches of precipitation per year. The warmest month is August (average high 77.3°F), and the coldest is December (average low 32.3°F). November is typically the wettest month (8.51 in) and July the driest (1.29 in).
Best time to visit Maple Valley
Full guide →Climate change signal
All-time records →55 of 366 (15%) of Maple Valley'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.
| 1900s | 0 | |
| 1910s | 8 | |
| 1920s | 44 | |
| 1930s | 48 | |
| 1940s | 63 | |
| 1950s | 33 | |
| 1960s | 40 | |
| 1970s | 20 | |
| 1980s | 17 | |
| 1990s | 7 | |
| 2000s | 25 | |
| 2010s | 28 | |
| 2020s | 33 |
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 | 45.7°F | 33.0°F | 39.3°F | 7.99 in | — | 20 |
| February | 48.9°F | 32.8°F | 40.9°F | 5.44 in | — | 18 |
| March | 53.3°F | 34.7°F | 44.0°F | 6.19 in | — | 20 |
| April | 58.6°F | 38.5°F | 48.5°F | 5.55 in | — | 19 |
| May | 65.9°F | 43.9°F | 54.9°F | 3.87 in | — | 15 |
| June | 70.3°F | 48.2°F | 59.2°F | 3.15 in | — | 12 |
| July | 77.0°F | 51.4°F | 64.2°F | 1.29 in | — | 7 |
| August | 77.3°F | 51.5°F | 64.4°F | 1.64 in | — | 7 |
| September | 70.6°F | 46.9°F | 58.8°F | 2.83 in | — | 10 |
| October | 59.5°F | 41.2°F | 50.3°F | 5.76 in | — | 17 |
| November | 49.9°F | 35.7°F | 42.8°F | 8.51 in | — | 21 |
| December | 44.5°F | 32.3°F | 38.4°F | 7.46 in | — | 21 |
Climate twins of Maple Valley
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).