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Spanaway, WA Climate
1991 to 2020 normals at Mcmillin Rsvr, 8.3 mi from the center of Spanaway, elevation 579 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 46° | 33° | 6.12 in | 1.5 in | |
| February | 48° | 33° | 4.33 in | 0.5 in | |
| March | 52° | 36° | 4.80 in | 0.6 in | |
| April | 57° | 39° | 3.90 in | 0.0 in | |
| May | 64° | 45° | 2.97 in | 0.0 in | |
| June | 69° | 49° | 2.28 in | 0.0 in | |
| July | 76° | 52° | 0.92 in | 0.0 in | |
| August | 77° | 53° | 0.90 in | 0.0 in | |
| September | 70° | 48° | 1.78 in | 0.0 in | |
| October | 59° | 42° | 4.08 in | 0.0 in | |
| November | 50° | 36° | 7.06 in | 1.5 in | |
| December | 45° | 33° | 5.99 in | 1.5 in | |
| Year | 59° | 45.13 in | 5.6 in |
Frequently asked questions
- What is the hottest month in Spanaway, WA?
- August is the warmest month, with a normal high of 77°F at Mcmillin Rsvr.
- What is the coldest month in Spanaway, WA?
- December is the coldest month, with a normal low of 33°F.
- What is the wettest month in Spanaway, WA?
- November has the most precipitation on average, about 7.06 inches.