January weather forecast
Stonington, CT

The classy and nice riverside homes by the Mystic River in Stonington, Connecticut
The classy and nice riverside homes by the Mystic River in Stonington, Connecticut

Weather in January

January, the same as December, is another cold winter month in Stonington, Connecticut, with an average temperature ranging between max 36.5°F (2.5°C) and min 26.6°F (-3°C).

Temperature

With an average high-temperature of 36.5°F (2.5°C) and an average low-temperature of 26.6°F (-3°C), January is the coldest month.

Humidity

January, March, April and November, with an average relative humidity of 74%, are the least humid months.

Rainfall

In Stonington, during January, the rain falls for 10.8 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 166.1 rainfall days, and 34.09" (866mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Stonington, Connecticut, are January through April, October through December. In Stonington, snow falls for 6.8 days, with typically accumulated 1.65" (42mm) of snow. Throughout the year, in Stonington, there are 24.7 snowfall days, and 7.87" (200mm) of snow is accumulated.

Daylight

In Stonington, the average length of the day in January is 9h and 36min.
On the first day of the month, sunrise is at 7:13 am and sunset at 4:29 pm. On the last day of January, sunrise is at 6:59 am and sunset at 5:02 pm EST.

Sunshine

The average sunshine in January is 5.2h.

UV index

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Stonington. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in January transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 Stonington?

With an average high-temperature of 36.5°F (2.5°C) and an average low-temperature of 26.6°F (-3°C), January is the coldest month in Stonington.

What is the least humid month in Stonington?

The months with the lowest humidity in Stonington are January, March, April and November, with an average relative humidity of 74%.

What is the average humidity in January in Stonington?

The average relative humidity in January in Stonington is 74%.

How much does it rain in Stonington in January?

In January, in Stonington, Connecticut, the rain falls for 10.8 days. Throughout January, 2.68" (68mm) of precipitation is accumulated.

How many days does it snow in January in Stonington?

In Stonington, in January, snow falls for 6.8 days, with typically accumulated 1.65" (42mm) of snow.

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

In Stonington, Connecticut, the average day length in January is 9h and 36min.

When are sunrise and sunset in January in Stonington?

In January, on the first day of the month, sunrise is at 7:13 am and sunset at 4:29 pm. On the last day of the month, in Stonington, sunrise is at 6:59 am and sunset at 5:02 pm EST.

How long on average sun shines in January in Stonington?

In Stonington, the average sunshine duration in January is 5.2h.

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

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

What is the UV index reading in January in Stonington?

In January, the average daily maximum UV index in Stonington, Connecticut, is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Stonington, CT

Average temperature in January - Stonington, CT
  • Average high temperature in January: 36.5°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in January: 26.6°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

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Average pressure in January
Stonington, CT

Average pressure in January - Stonington, CT
  • Average pressure in January: 30.02"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Stonington, CT

Average wind speed in January - Stonington, CT
  • Average wind speed in January: 12.4mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

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Average humidity in January
Stonington, CT

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

The month with the highest relative humidity is June (81%).
The months with the lowest relative humidity are January, March, April and November (74%).

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Average rainfall in January
Stonington, CT

Average rainfall in January - Stonington, CT
  • Average rainfall in January: 2.68"

The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in January
Stonington, CT

Average rainfall days in January - Stonington, CT
  • Average rainfall days in January: 10.8 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (10.1 days).

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Average snowfall in January
Stonington, CT

Average snowfall in January - Stonington, CT
  • Average snowfall in January: 1.65"

The month with the highest snowfall is March (2.44").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Stonington, CT

Average snowfall days in January - Stonington, CT
  • Average snowfall days in January: 6.8 days

The month with the highest number of snowfall days is January (6.8 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
Stonington, CT

Average daylight in January / Average sunshine in January - Stonington, CT
  • Average daylight in January: 9h and 36min

The month with the longest days is June (Average daylight: 15h and 7min).
The month with the shortest days is December (Average daylight: 9h and 15min).

  • Average sunshine in January: 5h and 12min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in January
Stonington, CT

Average sunshine days in January - Stonington, CT
  • Average sunshine days in January: 14.8 days

The month with the most sunshine days is November (16.5 days).
The months with the least sunshine days are June and July (11.7 days).

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Average UV index in January
Stonington, CT

Average UV index in January - Stonington, 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 and December (UV index 2).

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Average cloud cover in January
Stonington, CT

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

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in January
Stonington, CT

Average visibility in January - Stonington, 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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