Olympia, WA Weather & Climate Normals
What a normal year in Olympia actually looks like
On the 30-year record NOAA keeps for Olympia, WA, the comfort score comes out to 51/100, 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 Olympia's weather actually swings
Average temperatures in Olympia run from 39°F in Dec up to 64°F in Aug, a 25.5°F seasonal swing, a middling gap by national standards.
Olympia, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 46°F | 33°F | 7.8in | 2in |
| Feb | 49°F | 32°F | 5.09in | 0.6in |
| Mar | 54°F | 35°F | 5.68in | 0.1in |
| Apr | 59°F | 38°F | 3.67in | 0in |
| May | 66°F | 43°F | 2.26in | 0in |
| Jun | 71°F | 47°F | 1.46in | 0in |
| Jul | 78°F | 51°F | 0.53in | 0in |
| Aug | 78°F | 51°F | 0.96in | 0in |
| Sep | 72°F | 46°F | 2.04in | 0in |
| Oct | 60°F | 41°F | 5.07in | 0in |
| Nov | 51°F | 36°F | 8.21in | 0in |
| Dec | 45°F | 33°F | 7.85in | 1.2in |
If you're timing a visit, Jun, Jul, Aug, and Sep are Olympia's mildest stretch; if you're moving there, you should plan around Dec's cold instead.
How wet Olympia actually gets
Over a typical year, Olympia sees about 50.62in of precipitation a year across roughly 163 days with measurable rain or snow, with 3.9in of snow a year.
Olympia against the rest of the country
Out of 4876 cities scored here, Olympia comes in at 1446; within WA alone it ranks 75 of 125. Population is about 56,271.
Checking the actual forecast
These figures come from Olympia Ap, WA US, the NOAA station 4.7 miles from Olympia, 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