Madison, CT 

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Climate in Madison, CT

Madison, CT has a humid continental climate with mild to warm summers and cold winters. Average daily summer temperatures range from the upper 60s to mid 70s Fahrenheit, while winter lows dip into the teens and twenties Fahrenheit. Precipitation is fairly evenly spread out between all seasons, although there can be occasional snowstorms in late winter or early spring. The area also experiences oceanic influences due to its proximity to Long Island Sound, leading to more moderate temperatures compared to areas further inland.

Madison, Connecticut gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Madison averages 32 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 199 sunny days per year in Madison. The US average is 205 sunny days.

Madison gets some kind of precipitation, on average, 111 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 84 degrees
Winter Low: the January low is 20
Rain: averages 48 inches of rain a year
Snow: averages 32 inches of snow a year


The annual BestPlaces Comfort Index for Madison is 7.2 (10=best), which means it is one of the most pleasant places in Connecticut.

9.1 / 5.2

Summer   /   Winter
June, September and August are the most pleasant months in Madison, while January and February are the least comfortable months.

Climate Averages
  Madison, ConnecticutUnited States
  48.4 in.38.1 in.
  31.6 in.27.8 in.
  111.3 days106.2 days
  199 days205 days
  20 ft.2443 ft.


Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Madison with an average high temperature of 83.6°, which ranks it as warmer than most places in Connecticut. In Madison, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Madison are June, September and August.

In Madison, there are 8.7 days annually when the high temperature is over 90°, which is hotter than most places in Connecticut.

January has the coldest nighttime temperatures for Madison with an average of 19.6°. This is warmer than most places in Connecticut.

In Madison, there are 117.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Connecticut.

In Madison, there are 1.8 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Connecticut.

The humidity is usually comfortable in Madison but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.

October is the wettest month in Madison with 4.6 inches of rain, and the driest month is February with 3.2 inches. The wettest season is Summer with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 48.4 inches in Madison means that it is drier than most places in Connecticut.

May is the rainiest month in Madison with 11.0 days of rain, and August is the driest month with only 7.9 rainy days. There are 111.3 rainy days annually in Madison, which is less rainy than most places in Connecticut. The rainiest season is Summer when it rains 28% of the time and the driest is Autumn with only a 23% chance of a rainy day.

An annual snowfall of 31.6 inches in Madison means that it is less snowy than most places in Connecticut. January is the snowiest month in Madison with 9.5 inches of snow, and 6 months of the year have significant snowfall.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Madison    2 Reviews
    Connecticut living at its best - 3/21/2022
    One of the most sought after towns in Connecticut. High quality schools, vibrant downtown, top notch parks, facilities, and some of the most beautiful beaches in the... Read More

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    BAD MADISON - 1/28/2020
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