Climate change in Middlesex County, New Jersey
Since 1979, Middlesex County, New Jersey has warmed 3.6°F, with 13 more days above 90°F, 16 more nights above 70°F and 4% more precipitation a year. Its climate in 1996–2025 is most like Kent County, MD's was in 1951–1980.
- Average temperature: +3.6°F
- Summer highs (Jun–Aug): +2.9°F
- Winter lows (Dec–Feb): +5.2°F
- Precipitation: +4%
- Wettest day of the year: +26%
- Longest dry spell: +1 days
- Days above 90°F: +13 days
- Nights above 70°F: +16 days
- Freezing nights: −23 days
- Frost-free season: +25 days
- Muggy days: +9 days
- Summer heat index (Jun–Aug): +3.8°F
- Extreme fire-weather days: +15 days
- Snowfall: −14%
- Snowy days (1 inch or more): −2 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.