Waterville, WA
Climate overview — based on NOAA 1991-2020 normals from WATERVILLE, WA US.
Year-round temperatures (°F)
Climate summary
Waterville has an annual average temperature of 45.2°F with about 11.3 inches of precipitation per year. The warmest month is July (average high 83.6°F), and the coldest is December (average low 15.7°F). December is typically the wettest month (1.99 in) and September the driest (0.26 in).
Best time to visit Waterville
Full guide →Climate change signal
All-time records →18 of 366 (4.9%) of Waterville'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 | 29 | |
| 1900s | 38 | |
| 1910s | 28 | |
| 1920s | 39 | |
| 1930s | 22 | |
| 1940s | 17 | |
| 1950s | 18 | |
| 1960s | 43 | |
| 1970s | 27 | |
| 1980s | 20 | |
| 1990s | 39 | |
| 2000s | 18 | |
| 2010s | 28 | |
| 2020s | 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 | 31.4°F | 16.7°F | 24.0°F | 1.50 in | — | 8 |
| February | 36.1°F | 19.1°F | 27.6°F | 0.90 in | — | 6 |
| March | 47.5°F | 25.7°F | 36.6°F | 0.95 in | — | 6 |
| April | 57.0°F | 32.5°F | 44.8°F | 0.67 in | — | 4 |
| May | 67.0°F | 40.8°F | 53.9°F | 1.07 in | — | 6 |
| June | 73.8°F | 46.2°F | 60.0°F | 0.96 in | — | 5 |
| July | 83.6°F | 52.7°F | 68.1°F | 0.47 in | — | 3 |
| August | 82.8°F | 52.5°F | 67.7°F | 0.27 in | — | 2 |
| September | 73.8°F | 45.1°F | 59.4°F | 0.26 in | — | 3 |
| October | 57.5°F | 33.1°F | 45.3°F | 0.95 in | — | 6 |
| November | 40.1°F | 23.7°F | 31.9°F | 1.26 in | — | 7 |
| December | 31.0°F | 15.7°F | 23.3°F | 1.99 in | — | 8 |
Climate twins of Waterville
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).