Kennewick, WA Weather & Climate Normals
What a normal year in Kennewick actually looks like
On the 30-year record NOAA keeps for Kennewick, WA, the comfort score comes out to 39/100, weather-driven: Heat, cold, snow, or rainfall here are heavy enough that they shape daily life for a large part of the year. Only 3 months a year land in the 55–75°F range this site treats as mild.
How much Kennewick's weather actually swings
Average temperatures in Kennewick run from 36°F in Jan up to 77°F in Jul, a 41.3°F seasonal swing, a middling gap by national standards.
Kennewick, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 42°F | 29°F | 1.13in |
| Feb | 48°F | 31°F | 0.79in |
| Mar | 58°F | 36°F | 0.66in |
| Apr | 66°F | 42°F | 0.61in |
| May | 75°F | 50°F | 0.84in |
| Jun | 82°F | 56°F | 0.58in |
| Jul | 91°F | 62°F | 0.21in |
| Aug | 90°F | 61°F | 0.17in |
| Sep | 81°F | 53°F | 0.26in |
| Oct | 66°F | 43°F | 0.67in |
| Nov | 51°F | 35°F | 0.87in |
| Dec | 42°F | 30°F | 1.08in |
If you're timing a visit, May, Jun, and Sep are Kennewick's mildest stretch; if you're moving there, you should plan around Jul's heat and Jan's cold instead.
How wet Kennewick actually gets
Kennewick averages 7.87in of precipitation a year across roughly 77 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Kennewick against the rest of the country
Out of 4876 cities scored here, Kennewick comes in at 4596; within WA alone it ranks 124 of 125. Population is about 86,728.
Checking the actual forecast
These figures come from Kennewick, WA US, the NOAA station 3.7 miles from Kennewick, 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