MT Holly S Jersey, NJ Climate

Climate Insight: MT Holly S Jersey, NJ

In MT Holly S Jersey, New Jersey, the NOAA 1991–2020 climate normals put the annual average temperature at 55°F, ranging from a mean daily high of 64°F to a mean daily low of 45°F. July is typically the warmest month of the year, while January is the coldest. As thirty-year averages computed from station USW00093780, these numbers smooth out year-to-year noise into a working baseline for a typical month.

Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. MT Holly S Jersey receives roughly 42.8 inches of precipitation each year, predominantly as rainfall. The frost-free season averages 196 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 15 and the first fall freeze near October 28. For energy use, 4,880 heating degree days and 1,074 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, MT Holly S Jersey scores 68/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above turn that into a planning tool: expect the mildest highs and lows in the shoulder seasons, July-driven heat at the peak of summer, and January-driven cold at the depth of winter. Every number here is a thirty-year average, not a forecast, so any given year can and does run warmer, cooler, wetter, or drier than the normal.