Monthly weather forecast and climate
Stamford, CT

A wide aerial scenic cover shot over downtown Stamford, Connecticut, with two rivers and weighty rain clouds in the sky above
A wide aerial scenic cover shot over downtown Stamford, Connecticut, with two rivers and weighty rain clouds in the sky above

Weather in January

January, the same as December, is another cold winter month in Stamford, Connecticut, with average temperature ranging between min 26.6°F (-3°C) and max 36°F (2.2°C). The coldest month is January, with an average high-temperature of 36°F (2.2°C) and an average low-temperature of 26.6°F (-3°C). Weather in January »

Weather in February

February, the last month of the winter, in Stamford, is another cold month, with average temperature varying between 27.9°F (-2.3°C) and 38.3°F (3.5°C). In Stamford, Connecticut, the average high-temperature in February is relatively the same as in January - a still wintry 38.3°F (3.5°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Stamford, Connecticut, with average temperature ranging between min 34.2°F (1.2°C) and max 44.6°F (7°C). In March, the average high-temperature marginally rises, from a cold 38.3°F (3.5°C) in February, to a frosty 44.6°F (7°C). Weather in March »

Weather in April

April in Stamford, Connecticut, is a moderate spring month, with average temperature fluctuating between 55.4°F (13°C) and 43.3°F (6.3°C). In April, the average high-temperature increases, from a frosty 44.6°F (7°C) in March, to a mild 55.4°F (13°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Stamford, Connecticut, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 65.8°F (18.8°C). In May, the average high-temperature increases, from a mild 55.4°F (13°C) in April, to a comfortable 65.8°F (18.8°C). Weather in May »

Weather in June

June, the first month of the summer, in Stamford, is a warm month, with average temperature fluctuating between 61.3°F (16.3°C) and 74.1°F (23.4°C). In Stamford, the average high-temperature slightly increases, from an enjoyable 65.8°F (18.8°C) in May, to a warm 74.1°F (23.4°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Stamford, Connecticut, with temperature in the range of an average high of 81.3°F (27.4°C) and an average low of 69.1°F (20.6°C). July is the warmest month, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 69.1°F (20.6°C). The average heat index is calculated to 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Stamford, Connecticut, with average temperature fluctuating between 80.4°F (26.9°C) and 68.5°F (20.3°C). In Stamford, the average high-temperature in August is relatively the same as in July - a still moderately hot 80.4°F (26.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Stamford, Connecticut, with temperature in the range of an average high of 73.2°F (22.9°C) and an average low of 61.9°F (16.6°C). In Stamford, Connecticut, the average high-temperature in September slightly decreases, from a warm 80.4°F (26.9°C) in August, to an agreeable 73.2°F (22.9°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Stamford, Connecticut, with temperature in the range of an average low of 52°F (11.1°C) and an average high of 62.4°F (16.9°C). In Stamford, the average high-temperature drops, from an agreeable 73.2°F (22.9°C) in September, to an enjoyable 62.4°F (16.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Stamford, Connecticut, with temperature in the range of an average low of 40.8°F (4.9°C) and an average high of 50.9°F (10.5°C). In November, the average high-temperature decreases, from a comfortable 62.4°F (16.9°C) in October, to a fresh 50.9°F (10.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Stamford, Connecticut, with average temperature fluctuating between 33.3°F (0.7°C) and 41.9°F (5.5°C). In Stamford, the average high-temperature drops, from a cool 50.9°F (10.5°C) in November, to a wintry 41.9°F (5.5°C). Weather in December »
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FAQ

What is the coldest month in Stamford?

January is the coldest month, with an average high-temperature of 36°F (2.2°C) and an average low-temperature of 26.6°F (-3°C).

How many days does it rain in Stamford?

In Stamford, Connecticut, during the entire year, the rain falls for 164.1 days and collects up to 37.95" (964mm) of precipitation.

What is the driest month in Stamford?

January and February are months with the least rain in Stamford, Connecticut, when the rain falls for 8.3 days and typically aggregates up to 2.36" (60mm) of rain.

When does it snow in Stamford?

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

How many days does it snow in Stamford?

In Stamford, during the entire year, snow falls for 23.2 days, and aggregates up to 8.66" (220mm) of snow.

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

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

What is the most humid month in Stamford?

February, May, June and December, with an average relative humidity of 75%, are most humid months in Stamford, Connecticut.

What is the snowiest month in Stamford?

Months with the most snowfall are February and March, with an average 2.44" (62mm) of accumulated snow.

What month is the ocean coldest in Stamford?

February is the month with the coldest seawater in Stamford, with an average ocean temperature of 39.4°F (4.1°C).

What is the month with the least sunshine in Stamford?

February has the least sunshine of the year, with an average of 4.7h of sunshine.

What are the least humid months in Stamford?

Months with the lowest humidity are April, August and November, with an average relative humidity of 72%.

When it does not snow in Stamford?

In Stamford snow does not fall in May through October.

When are the longest days in Stamford?

The month with the longest days in Stamford, Connecticut, is June, with an average of 15.1h of daylight.

When is the highest UV index in Stamford?

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

What is the warmest month in Stamford?

The warmest month in Stamford, Connecticut, is July, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 69.1°F (20.6°C).

What is the rainiest month in Stamford?

The month with the most rainfall is July when the rain falls for 17.7 days and typically aggregates up to 4.25" (108mm) of precipitation.

What month has the most sunshine in Stamford?

July has the most sunshine of the year, with an average of 10.5h of sunshine.

What is the month with the warmest ocean in Stamford?

The month with the warmest seawater in Stamford, Connecticut, is August, with an average ocean temperature of 73°F (22.8°C).

What is the month with the shortest days in Stamford?

December has the shortest days of the year in Stamford, with an average of 9.3h of daylight.

Average temperature
Stamford, CT

Average temperature - Stamford, CT

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (36°F).

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

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Average pressure
Stamford, CT

Average pressure - Stamford, CT

The month with the highest atmospheric pressure is November (30.1").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed
Stamford, CT

Average wind speed - Stamford, CT

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity
Stamford, CT

Average humidity - Stamford, CT

Months with the highest relative humidity are February, May, June and December (75%).
Months with the lowest relative humidity are April, August and November (72%).

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Average rainfall
Stamford, CT

Average rainfall - Stamford, CT

The wettest month (with the highest rainfall) is July (4.25").
The driest months (with the least rainfall) are January and February (2.36").

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Average rainfall days
Stamford, CT

Average rainfall days - Stamford, CT

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall
Stamford, CT

Average snowfall - Stamford, CT

Months with the highest snowfall are February and March (2.44").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Stamford, CT

Average snowfall days - Stamford, CT

The month with the highest number of snowfall days is February (6.8 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature
Stamford, CT

Average sea temperature - Stamford, CT

The best month for swimming (with the highest average sea temperature) is August (73.1°F).
The coldest month (with the lowest average sea temperature) is February (39.5°F).

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Average daylight / Average sunshine
Stamford, CT

Average daylight / Average sunshine - Stamford, 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
Stamford, CT

Average sunshine days - Stamford, CT

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is June (10.7 days).

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Average UV index
Stamford, CT

Average UV index - Stamford, 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
Stamford, CT

Average visibility - Stamford, 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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