ClimateForecastNovemberDecember >>

Hamilton (NJ) Climate by Month

The climate in Hamilton 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 is also known for its large amounts of rain/snowfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

In Hamilton, temperatures differ significantly between summer and winter months. Typically, daytime temperatures range from a very warm 31°C in July to a chilly 5°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -5°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Hamilton experiences significant rain/snowfall throughout the year, averaging 1232 mm of precipitation annually. Hamilton offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between July (133 mm) and February (73 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

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

Sunshine over the year

For those who appreciate different seasons, Hamilton serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.0 hours of sunshine daily, and embrace the darker days in December, offering only 4.7 hours of daily sunlight.

Monthly hours of sunshine

Data from: Trenton, the United States of America (7 KM, 4 Miles).

Daily hours of sunshine

Data from: Trenton, the United States of America (7 KM, 4 Miles).

The best time of year to visit Hamilton 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 Hamilton?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Hamilton?
    July has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Hamilton?
    The coldest month is January with an average maximum temperature of 5°C.
  • Which is the wettest month in Hamilton?
    July tops the wettest month list with 133 mm of rainfall.
  • Which is the driest month in Hamilton?
    February is the driest month with 73 mm of precipitation.
  • Which is the sunniest month in Hamilton?
    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 Hamilton (NJ)

    Thu   Nov 21
    12°C | 2°C
    NW 22 km/h
    32 mm
    overcast and heavy rain

    overcast and heavy rain

    Fri   Nov 22
    6°C | 1°C
    SW 29 km/h
    9.8 mm
    overcast and heavy rain

    overcast and heavy rain

    Sat   Nov 23
    10°C | 1°C
    NW 29 km/h
    partly cloudy and no rain

    partly cloudy and no rain