Duvall, WA
Climate overview — based on NOAA 1991-2020 normals from MONROE, WA US.
Year-round temperatures (°F)
Climate summary
Duvall has an annual average temperature of 49.5°F with about 50.8 inches of precipitation per year and 3 inches of snow. The warmest month is August (average high 74.7°F), and the coldest is December (average low 31.5°F). November is typically the wettest month (7.16 in) and July the driest (1.15 in). Snow typically falls from February through December.
Best time to visit Duvall
Full guide →Climate change signal
All-time records →37 of 366 (10.1%) of Duvall'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.
| 1920s | 1 | |
| 1930s | 46 | |
| 1940s | 57 | |
| 1950s | 58 | |
| 1960s | 39 | |
| 1970s | 24 | |
| 1980s | 43 | |
| 1990s | 30 | |
| 2000s | 26 | |
| 2010s | 17 | |
| 2020s | 25 |
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 | 44.0°F | 32.1°F | 38.0°F | 6.54 in | 0.1 in | 20 |
| February | 47.6°F | 32.1°F | 39.8°F | 4.47 in | 2.2 in | 17 |
| March | 52.0°F | 34.8°F | 43.4°F | 5.22 in | 0.2 in | 20 |
| April | 57.4°F | 38.6°F | 48.0°F | 4.30 in | — | 17 |
| May | 63.9°F | 44.0°F | 53.9°F | 3.42 in | — | 14 |
| June | 68.0°F | 48.6°F | 58.3°F | 2.69 in | — | 12 |
| July | 74.2°F | 51.8°F | 63.0°F | 1.15 in | — | 6 |
| August | 74.7°F | 51.5°F | 63.1°F | 1.30 in | — | 6 |
| September | 68.7°F | 47.6°F | 58.1°F | 2.73 in | — | 11 |
| October | 57.7°F | 41.2°F | 49.5°F | 5.03 in | — | 18 |
| November | 48.5°F | 35.3°F | 41.9°F | 7.16 in | 0.3 in | 22 |
| December | 42.7°F | 31.5°F | 37.1°F | 6.76 in | 0.2 in | 22 |
Climate twins of Duvall
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).