Climate and monthly weather forecast
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 temperature in the range of an average low of 26.6°F (-3°C) and an average high of 36°F (2.2°C). With an average high-temperature of 36°F (2.2°C) and an average low-temperature of 26.6°F (-3°C), January is the coldest month. Weather in January »

Weather in February

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

Weather in March

The first month of the spring, March, is a frosty month in Stamford, Connecticut, with temperature in the range of an average high of 44.6°F (7°C) and an average low of 34.2°F (1.2°C). In Stamford, the average high-temperature in March slightly increases from a cold 38.3°F (3.5°C) in February to a chilly 44.6°F (7°C). Weather in March »

Weather in April

April in Stamford, Connecticut, is a mild spring month, with an average temperature varying between 55.4°F (13°C) and 43.3°F (6.3°C). In Stamford, the average high-temperature in April rises from a chilly 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 an average temperature ranging between max 65.8°F (18.8°C) and min 53.1°F (11.7°C). In May, the average high-temperature rises from a moderate 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 an average temperature fluctuating between 74.1°F (23.4°C) and 61.3°F (16.3°C). In June, the average high-temperature slightly increases from an enjoyable 65.8°F (18.8°C) in May to a moderately hot 74.1°F (23.4°C). Weather in June »

Weather in July

July, like June, in Stamford, Connecticut, is a moderately hot summer month, with an average temperature ranging between max 81.3°F (27.4°C) and min 69.1°F (20.6°C). The warmest month 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). The average heat index in July is calculated to be a tropical 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Stamford, is also a moderately hot month, with temperature in the range of an average high of 80.4°F (26.9°C) and an average low of 68.5°F (20.3°C). In Stamford, Connecticut, the average high-temperature in August is almost the same as in July - a still warm 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 an average temperature varying between 73.2°F (22.9°C) and 61.9°F (16.6°C). In September, the average high-temperature marginally drops from a moderately hot 80.4°F (26.9°C) in August to an agreeable 73.2°F (22.9°C). Weather in September »

Weather in October

October, like September, in Stamford, Connecticut, is another enjoyable autumn month, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 52°F (11.1°C). In October, the average high-temperature drops from a pleasant 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 an average temperature varying between 40.8°F (4.9°C) and 50.9°F (10.5°C). In Stamford, the average high-temperature in November 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

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

What is the coldest month in Stamford?

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

What is the driest month in Stamford?

The months with the least rainfall in Stamford are January and February Rain falls for 8.3 days and accumulates 2.36" (60mm) of rain.

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.

When does it snow in Stamford?

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

How much does it snow in Stamford?

Throughout the year, in Stamford, Connecticut, there are 23.2 snowfall days, and 8.66" (220mm) of snow is accumulated.

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

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

What are the most humid months in Stamford?

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

When does it snow the most in Stamford?

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

When is the ocean coldest in Stamford?

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

What is the month with the least sunshine in Stamford?

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

When is Daylight Saving Time (DST) in Stamford?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Stamford?

April, August and November, with an average relative humidity of 72%, are the least humid months in Stamford, Connecticut.

When it does not snow in Stamford?

In Stamford, snow does not fall in May through October.

When are the longest days in Stamford?

With an average of 15h and 5min of daylight, June has the longest days of the year in Stamford.

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.

What is the warmest month in Stamford?

The warmest month 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?

July is the month with the most rainfall. Rain falls for 17.7 days and accumulates 4.25" (108mm) of precipitation.

What month has the most sunshine in Stamford?

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

When is the ocean warmest in Stamford?

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

What is the month with the shortest days in Stamford?

December has the shortest days of the year, with an average of 9h and 17min 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"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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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

The months with the highest relative humidity are February, May, June and December (75%).
The 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

The months with the highest snowfall are February and March (2.44").
The 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).
The 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: 15h and 5min).
The month with the shortest days is December (Average daylight: 9h and 17min).

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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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

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).

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Average visibility
Stamford, CT

Average visibility - Stamford, 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).

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