Sultan, WA Weather & Climate Normals
What a normal year in Sultan actually looks like
On the 30-year record NOAA keeps for Sultan, WA, the comfort score comes out to 53/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Sultan's weather actually swings
Average temperatures in Sultan run from 40°F in Dec up to 65°F in Aug, a 24.8°F seasonal swing, a middling gap by national standards.
Sultan, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 47°F | 34°F | 8.94in |
| Feb | 51°F | 34°F | 5.92in |
| Mar | 55°F | 36°F | 6.77in |
| Apr | 60°F | 39°F | 5.87in |
| May | 67°F | 44°F | 4.95in |
| Jun | 71°F | 49°F | 3.84in |
| Jul | 78°F | 52°F | 1.48in |
| Aug | 78°F | 51°F | 1.7in |
| Sep | 73°F | 47°F | 3.49in |
| Oct | 62°F | 42°F | 7.13in |
| Nov | 52°F | 37°F | 9.82in |
| Dec | 47°F | 34°F | 8.41in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Sultan's mildest stretch; if you're moving there, you should plan around Dec's cold instead.
How wet Sultan actually gets
Sultan averages 68.32in of precipitation a year across roughly 186 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Sultan against the rest of the country
Out of 4876 cities scored here, Sultan comes in at 1130; within WA alone it ranks 71 of 125. Population is about 7,002.
Checking the actual forecast
These figures come from Startup 1 E, WA US, the NOAA station 4.0 miles from Sultan, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is