Monthly weather forecast and climate
New Canaan, CT

Weather in January

January, like December, in New Canaan, Connecticut, is another cold winter month, with average temperature ranging between min 25°F (-3.9°C) and max 35.1°F (1.7°C). January is the coldest month, with an average high-temperature of 35.1°F (1.7°C) and an average low-temperature of 25°F (-3.9°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in New Canaan, Connecticut, with average temperature varying between 26.1°F (-3.3°C) and 37.6°F (3.1°C). In February, the average high-temperature is relatively the same as in January - a still cold 37.6°F (3.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in New Canaan, Connecticut, with average temperature ranging between max 44.2°F (6.8°C) and min 32.9°F (0.5°C). In New Canaan, Connecticut, the average high-temperature in March marginally rises, from a wintry 37.6°F (3.1°C) in February, to a frosty 44.2°F (6.8°C). Weather in March »

Weather in April

April is a fresh spring month in New Canaan, Connecticut, with temperature in the range of an average low of 42.3°F (5.7°C) and an average high of 55.2°F (12.9°C). In April, the average high-temperature rises, from a chilly 44.2°F (6.8°C) in March, to a fresh 55.2°F (12.9°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in New Canaan, Connecticut, with average temperature varying between 66°F (18.9°C) and 51.8°F (11°C). In New Canaan, the average high-temperature in May rises, from a fresh 55.2°F (12.9°C) in April, to an enjoyable 66°F (18.9°C). Weather in May »

Weather in June

June, the first month of the summer, in New Canaan, is a warm month, with average temperature ranging between max 74.5°F (23.6°C) and min 60.4°F (15.8°C). In June, the average high-temperature slightly increases, from a comfortable 66°F (18.9°C) in May, to a warm 74.5°F (23.6°C). Weather in June »

Weather in July

July, like June, in New Canaan, Connecticut, is another warm summer month, with average temperature varying between 67.6°F (19.8°C) and 81.7°F (27.6°C). With an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 67.6°F (19.8°C), July is the warmest month. The average heat index is estimated at a hot 86.9°F (30.5°C). Weather in July »

Weather in August

August, the last month of the summer, in New Canaan, is also a moderately hot month, with average temperature ranging between max 80.2°F (26.8°C) and min 66.7°F (19.3°C). In August, the average high-temperature is practically the same as in July - a still warm 80.2°F (26.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in New Canaan, Connecticut, with average temperature ranging between max 72.9°F (22.7°C) and min 60.1°F (15.6°C). In New Canaan, the average high-temperature slightly decreases, from a warm 80.2°F (26.8°C) in August, to a pleasant 72.9°F (22.7°C). Weather in September »

Weather in October

October, like September, in New Canaan, Connecticut, is another comfortable autumn month, with average temperature ranging between min 50.7°F (10.4°C) and max 61.7°F (16.5°C). In October, the average high-temperature drops, from an agreeable 72.9°F (22.7°C) in September, to a comfortable 61.7°F (16.5°C). Weather in October »

Weather in November

November, the last month of the autumn, in New Canaan, is also a fresh month, with average temperature ranging between max 50°F (10°C) and min 39.7°F (4.3°C). In November, the average high-temperature drops, from an enjoyable 61.7°F (16.5°C) in October, to a fresh 50°F (10°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in New Canaan, Connecticut, with average temperature fluctuating between 40.8°F (4.9°C) and 31.8°F (-0.1°C). In New Canaan, the average high-temperature decreases, from a fresh 50°F (10°C) in November, to a wintry 40.8°F (4.9°C). Weather in December »
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FAQ

What is the coldest month in New Canaan?

The coldest month in New Canaan is January, with an average high-temperature of 35.1°F (1.7°C) and an average low-temperature of 25°F (-3.9°C).

How much does it rain in New Canaan?

Throughout the year, in New Canaan, Connecticut, there are 170.2 rainfall days, and 38.62" (981mm) of precipitation is accumulated.

What is the driest month in New Canaan?

January is the month with the least rainfall. Rain falls for 8.6 days and accumulates 2.44" (62mm) of precipitation.

When does it snow in New Canaan?

Months with snowfall are January through April, November and December.

How many days does it snow in New Canaan?

In New Canaan, Connecticut, during the entire year, snow falls for 28.5 days, and aggregates up to 11.65" (296mm) of snow.

What is the month with the lowest UV index in New Canaan?

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

What is the most humid month in New Canaan?

Months with the highest humidity in New Canaan, Connecticut, are February, May, June, October and December, with an average relative humidity of 76%.

When does it snow the most in New Canaan?

February is the month with the most snowfall. Snow falls for 8.3 days and accumulates 3.46" (88mm) of snow.

What is the month with the least sunshine in New Canaan?

The month with the least sunshine in New Canaan is February, with an average of 4.7h of sunshine.

What is the least humid month in New Canaan?

With an average relative humidity of 72%, April is the least humid month in New Canaan, Connecticut.

When it does not snow in New Canaan?

May through October are months without snowfall.

When are the longest days in New Canaan?

June has the longest days of the year, with an average of 15.1h of daylight.

What are the months with the highest UV index in New Canaan?

Months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the warmest month in New Canaan?

July is the warmest month, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 67.6°F (19.8°C).

What month has the most sunshine in New Canaan?

July has the most sunshine of the year in New Canaan, Connecticut, with an average of 10.5h of sunshine.

What is the wettest month in New Canaan?

The month with the most rainfall in New Canaan, Connecticut, is December when the rain falls for 12.3 days and typically aggregates up to 4.17" (106mm) of precipitation.

What is the month with the shortest days in New Canaan?

With an average of 9.3h of daylight, December has the shortest days of the year in New Canaan, Connecticut.

Average temperature
New Canaan, CT

Average temperature - New Canaan, CT

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (35.1°F).

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure
New Canaan, CT

Average pressure - New Canaan, CT

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed
New Canaan, CT

Average wind speed - New Canaan, CT

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

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Average humidity
New Canaan, CT

Average humidity - New Canaan, CT

Months with the highest relative humidity are February, May, June, October and December (76%).
The month with the lowest relative humidity is April (72%).

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Average rainfall
New Canaan, CT

Average rainfall - New Canaan, CT

The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is January (2.44").

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Average rainfall days
New Canaan, CT

Average rainfall days - New Canaan, CT

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.6 days).

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Average snowfall
New Canaan, CT

Average snowfall - New Canaan, CT

The month with the highest snowfall is February (3.46").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
New Canaan, CT

Average snowfall days - New Canaan, CT

The month with the highest number of snowfall days is February (8.3 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight / Average sunshine
New Canaan, CT

Average daylight / Average sunshine - New Canaan, CT

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days
New Canaan, CT

Average sunshine days - New Canaan, CT

The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is June (10.1 days).

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Average UV index
New Canaan, CT

Average UV index - New Canaan, CT

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

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Average visibility
New Canaan, CT

Average visibility - New Canaan, CT

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

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