Climate change in Grant County, Oregon
Since 1979, Grant County, Oregon has warmed 2.0°F, with 8 more days above 90°F, about the same number of nights above 70°F and 16% less precipitation a year.
- Average temperature: +2.0°F
- Summer highs (Jun–Aug): +4.4°F
- Winter lows (Dec–Feb): +2.3°F
- Precipitation: −16%
- Wettest day of the year: −27%
- Longest dry spell: −4 days
- Days above 90°F: +8 days
- Nights above 70°F: +0 days
- Freezing nights: +5 days
- Frost-free season: +9 days
- Muggy days: +0 days
- Summer heat index (Jun–Aug): +4.0°F
- Extreme fire-weather days: +18 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.