Coupeville, WA
Climate overview — based on NOAA 1991-2020 normals from COUPEVILLE 1 S, WA US.
Year-round temperatures (°F)
Climate summary
Coupeville has an annual average temperature of 50.2°F with about 21.7 inches of precipitation per year and 2.5 inches of snow. The warmest month is August (average high 70.5°F), and the coldest is February (average low 36.2°F). November is typically the wettest month (3.12 in) and August the driest (0.70 in). Snow typically falls from March through December.
Best time to visit Coupeville
Full guide →Climate change signal
All-time records →16 of 366 (4.4%) of Coupeville'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 | 45 | |
| 1910s | 0 | |
| 1920s | 18 | |
| 1930s | 29 | |
| 1940s | 23 | |
| 1950s | 35 | |
| 1960s | 43 | |
| 1970s | 24 | |
| 1980s | 42 | |
| 1990s | 15 | |
| 2000s | 45 | |
| 2010s | 25 | |
| 2020s | 2 |
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 | 44.2°F | 36.6°F | 40.4°F | 2.50 in | — | 16 |
| February | 46.7°F | 36.2°F | 41.5°F | 1.91 in | — | 12 |
| March | 50.9°F | 38.4°F | 44.7°F | 1.96 in | 0.3 in | 14 |
| April | 56.5°F | 41.7°F | 49.1°F | 1.87 in | — | 12 |
| May | 61.7°F | 46.6°F | 54.2°F | 1.73 in | — | 9 |
| June | 65.2°F | 50.2°F | 57.7°F | 1.31 in | — | 9 |
| July | 70.1°F | 52.7°F | 61.4°F | 0.78 in | — | 4 |
| August | 70.5°F | 52.7°F | 61.6°F | 0.70 in | — | 4 |
| September | 65.8°F | 49.4°F | 57.6°F | 1.22 in | — | 8 |
| October | 56.4°F | 44.5°F | 50.5°F | 2.08 in | — | 12 |
| November | 48.6°F | 39.6°F | 44.1°F | 3.12 in | 0.6 in | 16 |
| December | 43.6°F | 36.2°F | 39.9°F | 2.56 in | 1.6 in | 16 |
Climate twins of Coupeville
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).