Yelm, WA Weather & Climate Normals
What a normal year in Yelm actually looks like
On the 30-year record NOAA keeps for Yelm, 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 Yelm's weather actually swings
Average temperatures in Yelm run from 39°F in Dec up to 64°F in Aug, a 25.5°F seasonal swing, a middling gap by national standards.
Yelm, 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 Yelm's mildest stretch; if you're moving there, you should plan around Dec's cold instead.
How wet Yelm actually gets
Over a typical year, Yelm sees about 50.62in of precipitation a year across roughly 163 days with measurable rain or snow, with 3.9in of snow a year.
Yelm against the rest of the country
Out of 4876 cities scored here, Yelm comes in at 1530; within WA alone it ranks 85 of 125. Population is about 11,715.
Checking the actual forecast
These figures come from Olympia Ap, WA US, the NOAA station 12.4 miles from Yelm, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why this uses the nearest NOAA station · How the comfort score is calculated