# Counties in Washington by average annual temperature, 2025

All 39 values come from NOAA National Centers for Environmental Information for 2025, so the places are comparable.

- Indicator id: `average_temperature_annual`
- Unit: °F
- Definition: Mean air temperature from January to December, in degrees Fahrenheit: the average of the 12 monthly mean temperatures. NOAA computes it from its climate divisional dataset (nClimDiv): station readings interpolated onto a 5 km grid and averaged over the area.
- Source: NOAA National Centers for Environmental Information, NOAA Climate at a Glance, January to December average temperature, counties (https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping)
- Publisher page: https://invokely.ai/en/publishers/noaa-ncei
- Retrieved: 2026-10-12
- Citation: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December average temperature, counties. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/average-annual-temperature/washington-counties

| Rank | Place | °F |
|---:|---|---:|
| 1 | Benton County | 54.9 |
| 2 | Walla Walla County | 54.5 |
| 3 | Franklin County | 54.1 |
| 4 | Clark County | 53.5 |
| 5 | Kitsap County | 53.2 |
| 6 | Grant County | 53.1 |
| 7 | Thurston County | 52.8 |
| 8 | Island County | 52.4 |
| 9 | Adams County | 52.1 |
| 10 | Whitman County | 52 |
| 11 | Pacific County | 51.8 |
| 11 | Wahkiakum County | 51.8 |
| 13 | San Juan County | 51.7 |
| 14 | Cowlitz County | 51.4 |
| 15 | Grays Harbor County | 50.9 |
| 16 | Asotin County | 50.7 |
| 17 | Garfield County | 50.6 |
| 17 | Mason County | 50.6 |
| 19 | Klickitat County | 50.5 |
| 20 | Douglas County | 50.4 |
| 21 | Columbia County | 49.9 |
| 22 | Spokane County | 49.8 |
| 23 | Lewis County | 49.4 |
| 23 | Lincoln County | 49.4 |
| 25 | King County | 49.3 |
| 26 | Clallam County | 49 |
| 27 | Pierce County | 48.7 |
| 28 | Yakima County | 48.5 |
| 29 | Snohomish County | 48.3 |
| 30 | Skagit County | 47.6 |
| 31 | Stevens County | 47.5 |
| 32 | Kittitas County | 47.3 |
| 32 | Skamania County | 47.3 |
| 34 | Jefferson County | 47.1 |
| 35 | Whatcom County | 46 |
| 36 | Ferry County | 45.7 |
| 37 | Chelan County | 45.5 |
| 38 | Okanogan County | 45 |
| 39 | Pend Oreille County | 44.6 |