Oak Harbor, WA Weather & Climate Normals
Oak Harbor's real weather, in one number
Oak Harbor, WA scores 58/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Oak Harbor's hottest and coldest months
Oak Harbor's hottest month is Aug, averaging 62°F; its coldest is Dec, averaging 43°F, a 18.5°F swing across the year, one of the smaller gaps in this dataset.
Oak Harbor's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 49°F | 38°F | 2.43in | 1.1in |
| Feb | 51°F | 37°F | 1.63in | 1in |
| Mar | 55°F | 40°F | 1.68in | 0.6in |
| Apr | 58°F | 43°F | 1.69in | 0in |
| May | 62°F | 48°F | 1.69in | 0in |
| Jun | 66°F | 52°F | 1.12in | 0in |
| Jul | 69°F | 54°F | 0.63in | 0in |
| Aug | 70°F | 54°F | 0.85in | 0in |
| Sep | 67°F | 50°F | 1.08in | 0in |
| Oct | 60°F | 46°F | 2.04in | 0in |
| Nov | 54°F | 41°F | 3.13in | 0.3in |
| Dec | 49°F | 38°F | 1.95in | 2.4in |
May, Jun, Jul, Aug, and Sep are the best time to see Oak Harbor at its mildest; the rest of the year, plan around Dec's cold.
Rain and snow in Oak Harbor
Oak Harbor averages 19.92in of precipitation a year across roughly 148 days with measurable rain or snow, and 5.4in of snow a year.
Where Oak Harbor ranks
Oak Harbor ranks 617 of 4876 US cities in this dataset for comfort score, and 2 of 125 within WA. About 24,163 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Whidbey Island Nas, WA US, 4.3 miles from Oak Harbor, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure