Climate change in Frederick County, Virginia
Since 1979, Frederick County, Virginia has warmed 2.9°F, with 9 more days above 90°F, 2 more nights above 70°F and 7% more precipitation a year. Its climate in 1996–2025 is most like Botetourt County, VA's was in 1951–1980.
- Average temperature: +2.9°F
- Summer highs (Jun–Aug): +2.1°F
- Winter lows (Dec–Feb): +4.0°F
- Precipitation: +7%
- Wettest day of the year: +37%
- Longest dry spell: −2 days
- Days above 90°F: +9 days
- Nights above 70°F: +2 days
- Freezing nights: −18 days
- Frost-free season: +11 days
- Muggy days: +10 days
- Summer heat index (Jun–Aug): +2.4°F
- Extreme fire-weather days: +8 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.