Monthly weather forecast and climate
Fairfield, CT

Weather in January

January, the same as December, is a wintry winter month in Fairfield, Connecticut, with average temperature ranging between min 26.6°F (-3°C) and max 36.1°F (2.3°C). The coldest month is January, with an average high-temperature of 36.1°F (2.3°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 Fairfield, is also a wintry month, with average temperature fluctuating between 38.3°F (3.5°C) and 27.7°F (-2.4°C). In February, the average high-temperature is relatively the same as in January - a still wintry 38.3°F (3.5°C). Weather in February »

Weather in March

March, the first month of the spring, in Fairfield, is a chilly month, with average temperature varying between 34°F (1.1°C) and 44.2°F (6.8°C). In Fairfield, the average high-temperature in March marginally rises, from a wintry 38.3°F (3.5°C) in February, to a chilly 44.2°F (6.8°C). Weather in March »

Weather in April

April in Fairfield, Connecticut, is a fresh spring month, with average temperature ranging between max 54.7°F (12.6°C) and min 43.2°F (6.2°C). In Fairfield, the average high-temperature in April rises, from a chilly 44.2°F (6.8°C) in March, to a cool 54.7°F (12.6°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Fairfield, Connecticut, with average temperature fluctuating between 52.5°F (11.4°C) and 64.9°F (18.3°C). In Fairfield, the average high-temperature rises, from a fresh 54.7°F (12.6°C) in April, to an enjoyable 64.9°F (18.3°C). Weather in May »

Weather in June

June, the first month of the summer, in Fairfield, is a moderately hot month, with average temperature fluctuating between 61.2°F (16.2°C) and 73.8°F (23.2°C). In June, the average high-temperature marginally rises, from an enjoyable 64.9°F (18.3°C) in May, to a moderately hot 73.8°F (23.2°C). Weather in June »

Weather in July

July, like June, in Fairfield, Connecticut, is another warm summer month, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 68.5°F (20.3°C). With an average high-temperature of 81°F (27.2°C) and an average low-temperature of 68.5°F (20.3°C), July is the warmest month. In July, the average heat index is appraised at 85.3°F (29.6°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Fairfield, Connecticut, with average temperature ranging between min 68.4°F (20.2°C) and max 80.1°F (26.7°C). In August, the average high-temperature is relatively the same as in July - a still warm 80.1°F (26.7°C). Weather in August »

Weather in September

September, the first month of the autumn, in Fairfield, is also an agreeable month, with average temperature fluctuating between 61.7°F (16.5°C) and 73°F (22.8°C). In September, the average high-temperature slightly decreases, from a warm 80.1°F (26.7°C) in August, to a pleasant 73°F (22.8°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Fairfield, Connecticut, with average temperature fluctuating between 61.9°F (16.6°C) and 52.2°F (11.2°C). In October, the average high-temperature decreases, from a pleasant 73°F (22.8°C) in September, to an enjoyable 61.9°F (16.6°C). Weather in October »

Weather in November

November, the last month of the autumn, in Fairfield, is another cool month, with average temperature varying between 41.2°F (5.1°C) and 50.9°F (10.5°C). In Fairfield, Connecticut, the average high-temperature drops, from a comfortable 61.9°F (16.6°C) in October, to a cool 50.9°F (10.5°C). Weather in November »

Weather in December

December, the first month of the winter, in Fairfield, is also a wintry month, with average temperature fluctuating between 33.3°F (0.7°C) and 41.9°F (5.5°C). In December, the average high-temperature drops, from a fresh 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 Fairfield?

With an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 26.6°F (-3°C), January is the coldest month.

How much does it rain in Fairfield?

Throughout the year, in Fairfield, there are 170.1 rainfall days, and 37.76" (959mm) of precipitation is accumulated.

What is the driest month in Fairfield?

The month with the least rainfall is January when the rain falls for 9.4 days and typically collects 2.48" (63mm) of precipitation.

When does it snow in Fairfield?

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

How many days does it snow in Fairfield?

Throughout the year, there are 24.9 snowfall days, and 9.41" (239mm) of snow is accumulated.

What is the month with the lowest UV index in Fairfield?

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

What is the month with the least sunshine in Fairfield?

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

What is the snowiest month in Fairfield?

The month with the most snowfall in Fairfield is March when snow falls for 5.3 days and typically aggregates up to 2.8" (71mm) of snow.

What is the least humid month in Fairfield?

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

What is the most humid month in Fairfield?

May and June, with an average relative humidity of 76%, are most humid months in Fairfield, Connecticut.

When it does not snow in Fairfield?

In Fairfield, Connecticut, snow does not fall in May through October.

When are the longest days in Fairfield?

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

When is the highest UV index in Fairfield?

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

What is the warmest month in Fairfield?

The warmest month is July, with an average high-temperature of 81°F (27.2°C) and an average low-temperature of 68.5°F (20.3°C).

What month has the most sunshine in Fairfield?

With an average of 10.6h of sunshine, July has the most sunshine of the year.

What is the rainiest month in Fairfield?

December is the month with the most rainfall in Fairfield. Rain falls for 12.7 days and accumulates 4.21" (107mm) of precipitation.

What is the month with the shortest days in Fairfield?

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

Average temperature
Fairfield, CT

Average temperature - Fairfield, CT

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (36.1°F).

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

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Average pressure
Fairfield, CT

Average pressure - Fairfield, 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
Fairfield, CT

Average wind speed - Fairfield, CT

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity
Fairfield, CT

Average humidity - Fairfield, CT

Months with the highest relative humidity are May and June (76%).
Months with the lowest relative humidity are April and November (72%).

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Average rainfall
Fairfield, CT

Average rainfall - Fairfield, CT

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is January (2.48").

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Average rainfall days
Fairfield, CT

Average rainfall days - Fairfield, CT

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.4 days).

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Average snowfall
Fairfield, CT

Average snowfall - Fairfield, CT

The month with the highest snowfall is March (2.8").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Fairfield, CT

Average snowfall days - Fairfield, CT

The month with the highest number of snowfall days is January (7.1 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Fairfield, CT

Average daylight / Average sunshine - Fairfield, 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: 10.6h).
Months with the least sunshine are February and December (Average sunshine: 4.8).

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Average sunshine days
Fairfield, CT

Average sunshine days - Fairfield, CT

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index
Fairfield, CT

Average UV index - Fairfield, 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
Fairfield, CT

Average visibility - Fairfield, 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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