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Danbury (CT) Weather and Climate: A Comprehensive Guide

The climate in Danbury is marked by big temperature swings throughout the year. Temperatures range from 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 maximum day and minimum night temperature

In Danbury, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 28°C in July to a chilly 2°C in the coolest month, January.

Nights are cooler, with lows often dropping to around -8°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Danbury experiences significant rain/snowfall throughout the year, averaging 1323 mm of precipitation annually. Precipitation levels in Danbury remain relatively steady throughout the year. June has the most rain, with 136 mm over 15 days. In November, this drops slightly to 87 mm, making the city's climate fairly predictable.

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

Forecast for Danbury (CT)

Fri   Dec 27
4°C | -12°C
SW 2 m/s
partly cloudy and no rain

partly cloudy and no rain

Sat   Dec 28
8°C | -2°C
S 2 m/s
1.1 mm
overcast and slight rain

overcast and slight rain

Sun   Dec 29
15°C | 4°C
S 4 m/s
8.3 mm
overcast and heavy rain

overcast and heavy rain

The best time of year to visit Danbury 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 Danbury?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Danbury?
    The coldest month is January with an average maximum temperature of 2°C.
  • Which is the wettest month in Danbury?
    June tops the wettest month list with 136 mm of rainfall.
  • Which is the driest month in Danbury?
    November is the driest month with 87 mm of precipitation.

  • 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.