West Richland, WA Weather & Climate Normals
What a normal year in West Richland actually looks like
On the 30-year record NOAA keeps for West Richland, 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 5 months a year land in the 55–75°F range this site treats as mild.
How much West Richland's weather actually swings
Average temperatures in West Richland run from 34°F in Dec up to 75°F in Jul, a 40.5°F seasonal swing, a middling gap by national standards.
West Richland, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 41°F | 29°F | 1.04in |
| Feb | 48°F | 30°F | 0.67in |
| Mar | 57°F | 35°F | 0.64in |
| Apr | 65°F | 41°F | 0.62in |
| May | 74°F | 48°F | 0.63in |
| Jun | 80°F | 54°F | 0.56in |
| Jul | 89°F | 60°F | 0.23in |
| Aug | 88°F | 59°F | 0.13in |
| Sep | 79°F | 51°F | 0.29in |
| Oct | 64°F | 42°F | 0.54in |
| Nov | 49°F | 34°F | 0.87in |
| Dec | 40°F | 28°F | 1.07in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are West Richland's mildest stretch; if you're moving there, you should plan around Dec's cold instead.
How wet West Richland actually gets
West Richland averages 7.29in of precipitation a year across roughly 84 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
West Richland against the rest of the country
Out of 4876 cities scored here, West Richland comes in at 2129; within WA alone it ranks 102 of 125. Population is about 18,820.
Checking the actual forecast
These figures come from Richland, WA US, the NOAA station 5.9 miles from West Richland, 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