Climate change in Klickitat County, Washington
Since 1979, Klickitat County, Washington has warmed 2.1°F, with 12 more days above 90°F, about the same number of nights above 70°F and 10% less precipitation a year. Its climate in 1996–2025 is most like Sherman County, OR's was in 1951–1980.
- Average temperature: +2.1°F
- Summer highs (Jun–Aug): +4.8°F
- Winter lows (Dec–Feb): +1.6°F
- Precipitation: −10%
- Wettest day of the year: −9%
- Longest dry spell: +18 days
- Days above 90°F: +12 days
- Nights above 70°F: +0 days
- Freezing nights: +4 days
- Frost-free season: +8 days
- Muggy days: +0 days
- Summer heat index (Jun–Aug): +4.4°F
- Extreme fire-weather days: +12 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.