Sequim, WA Weather & Climate Normals
Sequim's real weather, in one number
Sequim, 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.
Sequim's hottest and coldest months
Sequim's hottest month is Aug, averaging 63°F; its coldest is Dec, averaging 42°F, a 21.5°F swing across the year, a middling gap by national standards.
Sequim's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 46°F | 38°F | 2.24in | 0in |
| Feb | 49°F | 38°F | 1.61in | 0.2in |
| Mar | 52°F | 40°F | 1.85in | 0in |
| Apr | 58°F | 43°F | 1.53in | 0in |
| May | 63°F | 47°F | 1.52in | 0in |
| Jun | 68°F | 51°F | 1.37in | 0in |
| Jul | 73°F | 53°F | 0.73in | 0in |
| Aug | 73°F | 54°F | 0.54in | 0in |
| Sep | 68°F | 51°F | 1.1in | 0in |
| Oct | 58°F | 46°F | 1.64in | 0in |
| Nov | 50°F | 41°F | 2.43in | 0in |
| Dec | 45°F | 38°F | 2.58in | 0.4in |
May, Jun, Jul, Aug, and Sep are the best time to see Sequim at its mildest; the rest of the year, plan around Dec's cold.
Rain and snow in Sequim
Sequim averages 19.14in of precipitation a year across roughly 141 days with measurable rain or snow, and 0.6in of snow a year.
Where Sequim ranks
Sequim ranks 639 of 4876 US cities in this dataset for comfort score, and 4 of 125 within WA. About 8,199 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Port Townsend, WA US, 15.5 miles from Sequim, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station