Oak Harbor, WA
Climate overview — based on NOAA 1991-2020 normals from WHIDBEY ISLAND NAS, WA US.
Year-round temperatures (°F)
Climate summary
Oak Harbor has an annual average temperature of 52.1°F with about 19.9 inches of precipitation per year and 5.4 inches of snow. The warmest month is August (average high 69.7°F), and the coldest is February (average low 37.2°F). November is typically the wettest month (3.13 in) and July the driest (0.63 in). Snow typically falls from November through March.
Best time to visit Oak Harbor
Full guide →Climate change signal
All-time records →57 of 366 (15.6%) of Oak Harbor'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.
| 1940s | 15 | |
| 1950s | 31 | |
| 1960s | 50 | |
| 1970s | 33 | |
| 1980s | 66 | |
| 1990s | 59 | |
| 2000s | 25 | |
| 2010s | 77 | |
| 2020s | 10 |
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 | 49.3°F | 38.1°F | 43.7°F | 2.43 in | 1.1 in | 16 |
| February | 51.1°F | 37.2°F | 44.2°F | 1.63 in | 1.0 in | 14 |
| March | 54.5°F | 40.1°F | 47.3°F | 1.68 in | 0.6 in | 16 |
| April | 58.4°F | 43.4°F | 50.9°F | 1.69 in | — | 13 |
| May | 62.0°F | 48.0°F | 55.0°F | 1.69 in | — | 12 |
| June | 65.8°F | 51.5°F | 58.6°F | 1.12 in | — | 9 |
| July | 69.0°F | 54.0°F | 61.5°F | 0.63 in | — | 5 |
| August | 69.7°F | 53.9°F | 61.8°F | 0.85 in | — | 6 |
| September | 66.8°F | 50.2°F | 58.5°F | 1.08 in | — | 10 |
| October | 60.2°F | 45.6°F | 52.9°F | 2.04 in | — | 15 |
| November | 53.5°F | 40.9°F | 47.2°F | 3.13 in | 0.3 in | 17 |
| December | 48.7°F | 37.8°F | 43.3°F | 1.95 in | 2.4 in | 17 |
Climate twins of Oak Harbor
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).