January weather forecast
Fairfield, CT

Weather in January

January, like December, in Fairfield, Connecticut, is another cold winter month, with temperature in the range of an average low of 26.6°F (-3°C) and an average high of 36.1°F (2.3°C).

Temperature

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

Humidity

The average relative humidity in January is 74%.

Rainfall

January is the month with the least rainfall. Rain falls for 9.4 days and accumulates 2.48" (63mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Fairfield, Connecticut. In Fairfield, in January, snow falls for 7.1 days, with typically accumulated 2.13" (54mm) of snow. In Fairfield, Connecticut, during the entire year, snow falls for 24.9 days and aggregates up to 9.41" (239mm) of snow.

Daylight

In January, the average length of the day in Fairfield is 9h and 37min.
On the first day of January, sunrise is at 7:18 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:08 pm EST.

Sunshine

The average sunshine in January is 5.1h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Fairfield, Connecticut. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in January transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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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.

What is the temperature in January in Fairfield?

In January, the average high-temperature is 36.1°F (2.3°C), and the average low-temperature is 26.6°F (-3°C).

What is the average humidity in January in Fairfield?

In January, the average relative humidity in Fairfield, Connecticut, is 74%.

What is the driest month in Fairfield?

January is the month with the least rainfall. Rain falls for 9.4 days and accumulates 2.48" (63mm) of precipitation.

How many days does it rain in January in Fairfield?

In Fairfield, Connecticut, in January, during 9.4 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

How many days does it snow in January in Fairfield?

In Fairfield, Connecticut, during January, snow falls for 7.1 days and regularly aggregates up to 2.13" (54mm) of snow.

What is the average length of the day in January in Fairfield?

The average day length in January in Fairfield, Connecticut, is 9h and 37min.

When is the sunrise / sunset in January in Fairfield?

In January, on the first day of the month, sunrise is at 7:18 am and sunset at 4:34 pm. On the last day of the month, in Fairfield, sunrise is at 7:04 am and sunset at 5:08 pm EST.

How many hours of sunshine does Fairfield have in January?

The average sunshine duration in January is 5.1h.

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

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

How high is the UV index in January in Fairfield?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Fairfield, CT

Average temperature in January - Fairfield, CT
  • Average high temperature in January: 36.1°F

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).

  • Average low temperature in January: 26.6°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 in January
Fairfield, CT

Average pressure in January - Fairfield, CT
  • Average pressure in January: 30.04"Hg

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

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Average wind speed in January
Fairfield, CT

Average wind speed in January - Fairfield, CT
  • Average wind speed in January: 10.5mph

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 in January
Fairfield, CT

Average humidity in January - Fairfield, CT
  • Average humidity in January: 74%

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

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Average rainfall in January
Fairfield, CT

Average rainfall in January - Fairfield, CT
  • Average rainfall in January: 2.48"

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 in January
Fairfield, CT

Average rainfall days in January - Fairfield, CT
  • Average rainfall days in January: 9.4 days

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 in January
Fairfield, CT

Average snowfall in January - Fairfield, CT
  • Average snowfall in January: 2.13"

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

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Average snowfall days in January
Fairfield, CT

Average snowfall days in January - Fairfield, CT
  • Average snowfall days in January: 7.1 days

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

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Average daylight in January /
Average sunshine in January
Fairfield, CT

Average daylight in January / Average sunshine in January - Fairfield, CT
  • Average daylight in January: 9h and 37min

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 16min).

  • Average sunshine in January: 5h and 6min

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

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Average sunshine days in January
Fairfield, CT

Average sunshine days in January - Fairfield, CT
  • Average sunshine days in January: 16.6 days

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 in January
Fairfield, CT

Average UV index in January - Fairfield, CT
  • Average UV index in January: 2

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 cloud cover in January
Fairfield, CT

Average cloud cover in January - Fairfield, CT
  • Average cloud cover in January: 44

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in January
Fairfield, CT

Average visibility in January - Fairfield, CT
  • Average visibility in January: 6mi

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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