January 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, like December, in Stamford, Connecticut, is another cold winter month, with temperature in the range of an average high of 36°F (2.2°C) and an average low of 26.6°F (-3°C).

Temperature

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).

Humidity

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

Rainfall

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

Snowfall

Months with snowfall in Stamford are January through April, November and December. In January, it is snowing for 6.3 days. Throughout January, 1.81" (46mm) of snow is accumulated. Throughout the year, in Stamford, there are 23.2 snowfall days, and 8.66" (220mm) of snow is accumulated.

Ocean temperature

In Stamford, in January, the average water temperature is 41.7°F (5.4°C).
Note: Swimming in 41.7°F (5.4°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

The average length of the day in January is 9h and 37min.
On the first day of January, sunrise is at 7:19 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:09 pm EST.

Sunshine

The average sunshine in January is 5h.

UV index

The months with the lowest UV index in Stamford are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 Stamford?

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

What is the average humidity in January in Stamford?

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

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 January in Stamford?

In Stamford, Connecticut, during January, the rain falls for 8.3 days and regularly aggregates up to 2.36" (60mm) of precipitation.

How many days does it snow in January in Stamford?

In January, in Stamford, Connecticut, it is snowing for 6.3 days. Throughout January, 1.81" (46mm) of snow is accumulated.

How cold is the water in January in Stamford?

In Stamford, in January, the average water temperature is 41.7°F (5.4°C). Swimming in 41.7°F (5.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

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

In January, the average day length is 9h and 37min.

When is the sunrise / sunset in January in Stamford?

On the first day of January, sunrise is at 7:19 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:09 pm EST.

How many hours of sunshine does Stamford have in January?

The average sunshine duration in January in Stamford, Connecticut, is 5h.

When is 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 in Stamford, Connecticut.

What is the UV index reading in January in Stamford?

In Stamford, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's 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
Stamford, CT

Average temperature in January - Stamford, CT
  • Average high temperature in January: 36°F

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).

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

Average pressure in January - Stamford, CT
  • Average pressure in January: 30.05"Hg

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 in January
Stamford, CT

Average wind speed in January - Stamford, CT
  • Average wind speed in January: 10.1mph

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 in January
Stamford, CT

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

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 in January
Stamford, CT

Average rainfall in January - Stamford, CT
  • Average rainfall in January: 2.36"

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 in January
Stamford, CT

Average rainfall days in January - Stamford, CT
  • Average rainfall days in January: 8.3 days

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 in January
Stamford, CT

Average snowfall in January - Stamford, CT
  • Average snowfall in January: 1.81"

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 in January
Stamford, CT

Average snowfall days in January - Stamford, CT
  • Average snowfall days in January: 6.3 days

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 in January
Stamford, CT

Average sea temperature in January - Stamford, CT
  • Average sea temperature in January: 41.6°F

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 in January /
Average sunshine in January
Stamford, CT

Average daylight in January / Average sunshine in January - Stamford, 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 17min).

  • Average sunshine in January: 5h and 0min

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 in January
Stamford, CT

Average sunshine days in January - Stamford, CT
  • Average sunshine days in January: 17.8 days

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 in January
Stamford, CT

Average UV index in January - Stamford, 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
Stamford, CT

Average cloud cover in January - Stamford, CT
  • Average cloud cover in January: 45

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in January
Stamford, CT

Average visibility in January - Stamford, 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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