ClimateForecastNovemberDecember >>

Mount Holly (NJ) Climate by Month

The climate in Mount Holly is marked by big temperature swings throughout the year. Temperatures range from very warm during the warmest months to cold in the cooler months. It also has a relatively rain/snowy climate with high levels of precipitation. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

In Mount Holly, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 31°C in July to a chilly 5°C in February. Nighttime temperatures can drop, with averages reaching -5°C in February.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Mount Holly experiences significant rain/snowfall throughout the year, averaging 1216 mm of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, December, sees around 127 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 75 mm of snow/rainfall.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

In Mount Holly, summer days are longer and more sunny, with daily sunshine hours peaking at 9.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.7 hours.

Monthly hours of sunshine

Data from: Trenton, the United States of America (25 KM, 15 Miles).

Daily hours of sunshine

Data from: Trenton, the United States of America (25 KM, 15 Miles).

The best time of year to visit Mount Holly in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Mount Holly?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Mount Holly?
    July has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Mount Holly?
    The coldest month is February with an average maximum temperature of 5°C.
  • Which is the wettest month in Mount Holly?
    December tops the wettest month list with 127 mm of rainfall.
  • Which is the driest month in Mount Holly?
    February is the driest month with 75 mm of precipitation.
  • Which is the sunniest month in Mount Holly?
    July is the sunniest month with an average of 269 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Mount Holly (NJ)

    Sun   Nov 24
    13°C | 5°C
    W 22 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Mon   Nov 25
    13°C | 3°C
    W 11 km/h
    almost clear and no rain

    almost clear and no rain

    Tue   Nov 26
    15°C | 4°C
    W 18 km/h
    5.3 mm
    partly cloudy and rain

    partly cloudy and rain