Climate and monthly weather forecast
Madison, CT

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Weather in January

January, the same as December, is an icy winter month in Madison, Connecticut, with an average temperature varying between 25.5°F (-3.6°C) and 35.2°F (1.8°C). January is the month when Madison sees the lowest average temperatures, with a high of 35.2°F (1.8°C) and a low of 25.5°F (-3.6°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Madison, Connecticut, with temperature in the range of an average low of 26.2°F (-3.2°C) and an average high of 37.9°F (3.3°C). The introduction of February notes a subtle temperature variation to a still cold 37.9°F (3.3°C) from January's 35.2°F (1.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Madison, Connecticut, with an average temperature varying between 32.5°F (0.3°C) and 43.7°F (6.5°C). March's onset is marked by a subtle temperature increase, moving from an icy 37.9°F (3.3°C) in February to a chilly 43.7°F (6.5°C). Weather in March »

Weather in April

April is a fresh spring month in Madison, Connecticut, with an average temperature varying between 54.3°F (12.4°C) and 41.7°F (5.4°C). Madison sees an increase in the average high-temperature with the arrival of April, moving from March's frosty 43.7°F (6.5°C) to a cool 54.3°F (12.4°C). Weather in April »

Weather in May

May, the last month of the spring in Madison, is a comfortable month, with an average temperature fluctuating between 64.9°F (18.3°C) and 50.7°F (10.4°C). Madison's May weather brings a rise in high-temperatures, moving from a fresh 54.3°F (12.4°C) in April to a refreshing 64.9°F (18.3°C). Weather in May »

Weather in June

June, the first month of the summer in Madison, is an agreeable month, with temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 73°F (22.8°C). The shift from May to June is marked by a slight increase in the average high-temperature, moving from a refreshing 64.9°F (18.3°C) to an agreeable 73°F (22.8°C). Weather in June »

Weather in July

July in Madison, Connecticut, is a moderately hot summer month, with an average temperature fluctuating between 79.7°F (26.5°C) and 66.6°F (19.2°C). In Madison, the average temperatures in July are the highest, with a peak at 79.7°F (26.5°C) and a low of 66.6°F (19.2°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Madison, Connecticut, with an average temperature varying between 65.7°F (18.7°C) and 78.6°F (25.9°C). August's onset sees an average high-temperature of a still moderately hot 78.6°F (25.9°C), exhibiting a slight fluctuation from the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Madison, Connecticut, with an average temperature fluctuating between 72.3°F (22.4°C) and 59.5°F (15.3°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a moderately hot 78.6°F (25.9°C) to a pleasant 72.3°F (22.4°C). Weather in September »

Weather in October

October, like September, in Madison, Connecticut, is another comfortable autumn month, with an average temperature varying between 61.9°F (16.6°C) and 50.5°F (10.3°C). October brings a drop in Madison's average high-temperature, falling from an agreeable 72.3°F (22.4°C) in September to a refreshing 61.9°F (16.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Madison, Connecticut, with an average temperature ranging between max 50.7°F (10.4°C) and min 39.9°F (4.4°C). The decrease of average high-temperatures is mild in November, with a decline from a refreshing 61.9°F (16.6°C) in October to a cool 50.7°F (10.4°C). Weather in November »

Weather in December

December, the first month of the winter in Madison, is also a wintry month, with an average temperature ranging between min 32.4°F (0.2°C) and max 41.9°F (5.5°C). December's onset introduces a mild reduction in the average high-temperature, from a fresh 50.7°F (10.4°C) in November to a cold 41.9°F (5.5°C). Weather in December »
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Madison?

January is the coldest month, with the temperature often reaching an average high of 35.2°F (1.8°C) and an average low of 25.5°F (-3.6°C).

How many days does it rain in Madison?

In Madison, Connecticut, during the entire year, the rain falls for 166.2 days and collects up to 34.8" (884mm) of precipitation.

When does it snow in Madison?

Months with snowfall in Madison, Connecticut, are January through May, November and December.

How much does it snow in Madison?

Throughout the year, there are 24.2 snowfall days, and 9.53" (242mm) of snow is accumulated.

What are the months with the lowest UV index in Madison?

The months with the lowest UV index in Madison, Connecticut, are January through March, November and December, with an average maximum UV index of 2.

What are the months with the least sunshine in Madison?

February and December, with an average of 4.8h of sunshine, are months with the least sunshine.

What is the snowiest month in Madison?

March is the month with the most snowfall. Snow falls for 4.7 days and accumulates 2.76" (70mm) of snow.

When is Daylight Saving Time (DST) in Madison?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Madison?

The least humid month in Madison, Connecticut, is April, with an average relative humidity of 73%.

What is the most humid month in Madison?

May through July, with an average relative humidity of 78%, are most humid months in Madison.

When it does not snow in Madison?

June through October are months without snowfall.

When are the longest days in Madison?

The month with the longest days is June, with an average of 15h and 6min of daylight.

What is the month with the highest UV index in Madison?

The months with the highest UV index in Madison, Connecticut, are June through August, with an average maximum UV index of 6.

What are the warmest months in Madison?

Madison's warmest month, July, generally records average temperatures ranging from a high of 79.7°F (26.5°C) to a low of 66.6°F (19.2°C).

What month has the most sunshine in Madison?

August has the most sunshine of the year in Madison, with an average of 10.6h of sunshine.

What is the driest month in Madison?

The month with the least rainfall in Madison is September, when the rain falls for 13 days and typically collects 1.93" (49mm) of precipitation.

What is the wettest month in Madison?

The month with the most rainfall in Madison is December, when the rain falls for 13 days and typically aggregates up to 3.66" (93mm) of precipitation.

What is the month with the shortest days in Madison?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

Average temperature
Madison, CT

Average temperature - Madison, CT

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (35.2°F).

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

Average pressure
Madison, CT

Average pressure - Madison, CT

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Madison, CT

Average wind speed - Madison, CT

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity
Madison, CT

Average humidity - Madison, CT

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is April (73%).

Average rainfall
Madison, CT

Average rainfall - Madison, CT

The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days
Madison, CT

Average rainfall days - Madison, CT

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9 days).

Average snowfall
Madison, CT

Average snowfall - Madison, CT

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days
Madison, CT

Average snowfall days - Madison, CT

The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Madison, CT

Average daylight / Average sunshine - Madison, CT

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days
Madison, CT

Average sunshine days - Madison, CT

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (11.7 days).

Average UV index
Madison, CT

Average UV index - Madison, CT

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average visibility
Madison, CT

Average visibility - Madison, CT

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Madison, Connecticut, USA

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