Maple Valley, WA Weather & Climate Normals
What a normal year in Maple Valley actually looks like
On the 30-year record NOAA keeps for Maple Valley, WA, the comfort score comes out to 49/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 4 months a year land in the 55–75°F range this site treats as mild.
How much Maple Valley's weather actually swings
Average temperatures in Maple Valley run from 38°F in Dec up to 64°F in Aug, a 26°F seasonal swing, a middling gap by national standards.
Maple Valley, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 46°F | 33°F | 7.99in |
| Feb | 49°F | 33°F | 5.44in |
| Mar | 53°F | 35°F | 6.19in |
| Apr | 59°F | 39°F | 5.55in |
| May | 66°F | 44°F | 3.87in |
| Jun | 70°F | 48°F | 3.15in |
| Jul | 77°F | 51°F | 1.29in |
| Aug | 77°F | 52°F | 1.64in |
| Sep | 71°F | 47°F | 2.83in |
| Oct | 60°F | 41°F | 5.76in |
| Nov | 50°F | 36°F | 8.51in |
| Dec | 45°F | 32°F | 7.46in |
If you're timing a visit, Jun, Jul, Aug, and Sep are Maple Valley's mildest stretch; if you're moving there, you should plan around Dec's cold instead.
How wet Maple Valley actually gets
Maple Valley averages 59.68in 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.
Maple Valley against the rest of the country
Out of 4876 cities scored here, Maple Valley comes in at 2096; within WA alone it ranks 99 of 125. Population is about 28,553.
Checking the actual forecast
These figures come from Landsburg, WA US, the NOAA station 3.5 miles from Maple Valley, 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