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Southbury (CT) Climate by Month

The temperature in Southbury can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It also has a notably wet climate with much precipitation. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

Visitors to Southbury can expect significant temperature changes throughout the year. Average daytime temperatures range from a comfortable 28°C in July, the warmest time of the year, to a chilly 3°C during cooler months like January. At night, temperatures typically average around -7°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Southbury is known for its substantial rain/snowfall, with annual precipitation reaching 1276 mm. Year-round, Southbury has a balanced climate with minimal variation in precipitation. The difference between the wettest month, June, with 135 mm, and the driest month, November, with 84 mm, is minimal.

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

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Southbury. While July receives considerable daily sunshine with up to 9.8 hours, November marks the darkest time of the year, where sunshine is scarce with only 4.6 hours of sunlight per day.

Monthly hours of sunshine

Data from: Hartford, the United States of America (53 KM, 33 Miles).

Daily hours of sunshine

Data from: Hartford, the United States of America (53 KM, 33 Miles).

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

During the months of May, June 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:
  • Which is the warmest month in Southbury?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Southbury?
    The coldest month is January with an average maximum temperature of 3°C.
  • Which is the wettest month in Southbury?
    June tops the wettest month list with 135 mm of rainfall.
  • Which is the driest month in Southbury?
    November is the driest month with 84 mm of precipitation.
  • Which is the sunniest month in Southbury?
    July is the sunniest month with an average of 293 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 Southbury (CT)

    Thu   Nov 21
    9°C | 6°C
    NE 18 km/h
    34 mm
    broken clouds and rain

    broken clouds and rain

    Fri   Nov 22
    6°C | 2°C
    S 18 km/h
    17 mm
    overcast and heavy rain

    overcast and heavy rain

    Sat   Nov 23
    7°C | 1°C
    NW 25 km/h
    1.6 mm
    broken clouds and  chance of rain

    broken clouds and chance of rain