Climate change in Warren County, New Jersey
Since 1979, Warren County, New Jersey has warmed 3.3°F, with 4 more days above 90°F, 2 more nights above 70°F and 6% more precipitation a year. Its climate in 1996–2025 is most like Bucks County, PA's was in 1951–1980.
- Average temperature: +3.3°F
- Summer highs (Jun–Aug): +2.0°F
- Winter lows (Dec–Feb): +4.7°F
- Precipitation: +6%
- Wettest day of the year: +18%
- Longest dry spell: +1 days
- Days above 90°F: +4 days
- Nights above 70°F: +2 days
- Freezing nights: −18 days
- Frost-free season: +23 days
- Muggy days: +12 days
- Summer heat index (Jun–Aug): +2.5°F
- Extreme fire-weather days: +14 days
- Snowfall: −6%
- Snowy days (1 inch or more): −1 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.