Climate change in Monmouth County, New Jersey
Since 1979, Monmouth County, New Jersey has warmed 3.6°F, with 14 more days above 90°F, 17 more nights above 70°F and 9% more precipitation a year. Its climate in 1996–2025 is most like Sussex County, DE's was in 1951–1980.
- Average temperature: +3.6°F
- Summer highs (Jun–Aug): +3.3°F
- Winter lows (Dec–Feb): +5.1°F
- Precipitation: +9%
- Wettest day of the year: +32%
- Longest dry spell: −2 days
- Days above 90°F: +14 days
- Nights above 70°F: +17 days
- Freezing nights: −20 days
- Frost-free season: +22 days
- Muggy days: +13 days
- Summer heat index (Jun–Aug): +5.1°F
- Extreme fire-weather days: +7 days
- Snowfall: −4%
- 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.