January weather forecast
Marlborough, CT

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Weather in January

January, like December, in Marlborough, Connecticut, is a wintry winter month, with temperature in the range of an average low of 22.8°F (-5.1°C) and an average high of 34.3°F (1.3°C).

Temperature

January is Marlborough's coldest month, registering average high temperatures of 34.3°F (1.3°C) and lows of 22.8°F (-5.1°C).

Humidity

In January, the average relative humidity in Marlborough is 76%.

Rainfall

In Marlborough, in January, during 5.1 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Marlborough, during the entire year, the rain falls for 99.9 days and collects up to 9.41" (239mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Marlborough. In Marlborough, during January, snow falls for 4.9 days and regularly aggregates up to 0.59" (15mm) of snow. Throughout the year, there are 22.3 snowfall days, and 3.82" (97mm) of snow is accumulated.

Daylight

In Marlborough, Connecticut, the average length of the day in January is 9h and 34min.
On the first day of the month, sunrise is at 7:16 am and sunset at 4:29 pm. On the last day of January, in Marlborough, Connecticut, sunrise is at 7:02 am and sunset at 5:03 pm EST.

Sunshine

The average sunshine in January is 5h.

UV index

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 2 during January, leads to the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What month is the coldest in Marlborough?

January, noted for its average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 22.8°F (-5.1°C), is considered the coldest month in Marlborough, Connecticut.

How cold is January in Marlborough?

January temperatures in Marlborough vary between a high-temperature of 34.3°F (1.3°C) and a low-temperature of 22.8°F (-5.1°C).

What is the average humidity in January in Marlborough?

In January, the average relative humidity in Marlborough, Connecticut, is 76%.

How many days does it rain in January in Marlborough?

In Marlborough, in January, it is raining for 5.1 days, with typically 0.59" (15mm) of accumulated precipitation.

How much does it snow in Marlborough in January?

In Marlborough, Connecticut, in January, during 4.9 snowfall days, 0.59" (15mm) of snow is typically accumulated.

How many hours of daylight does Marlborough have in January?

The average day length in January in Marlborough, Connecticut, is 9h and 34min.

When is the sunrise / sunset in January in Marlborough?

On the first day of January in Marlborough, Connecticut, sunrise is at 7:16 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:03 pm EST.

How many hours of sunshine does Marlborough have in January?

The average sunshine duration in January in Marlborough is 5h.

What is the UV index intensity in January in Marlborough?

In Marlborough, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Marlborough, CT

Average temperature in January - Marlborough, CT
  • Average high temperature in January: 34.3°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in January: 22.8°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

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Average pressure in January
Marlborough, CT

Average pressure in January - Marlborough, CT
  • Average pressure in January: 30.03"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
Marlborough, CT

Average wind speed in January - Marlborough, CT
  • Average wind speed in January: 8.6mph

The windiest months (with the highest average wind speed) are January and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in January
Marlborough, CT

Average humidity in January - Marlborough, CT
  • Average humidity in January: 76%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in January
Marlborough, CT

Average rainfall in January - Marlborough, CT
  • Average rainfall in January: 0.59"

The wettest month (with the highest rainfall) is December (1.02").
The driest month (with the least rainfall) is September (0.35").

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Average rainfall days in January
Marlborough, CT

Average rainfall days in January - Marlborough, CT
  • Average rainfall days in January: 5.1 days

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is January (5.1 days).

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Average snowfall in January
Marlborough, CT

Average snowfall in January - Marlborough, CT
  • Average snowfall in January: 0.59"

The month with the highest snowfall is March (1.26").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
Marlborough, CT

Average snowfall days in January - Marlborough, CT
  • Average snowfall days in January: 4.9 days

The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Marlborough, CT
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 5h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

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Average sunshine days in January
Marlborough, CT

Average sunshine days in January - Marlborough, CT
  • Average sunshine days in January: 21.8 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (17.1 days).

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Average UV index in January
Marlborough, CT

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in January
Marlborough, CT

Average cloud cover in January - Marlborough, CT
  • Average cloud cover in January: 46

The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in January
Marlborough, CT

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

The months with the highest visibility are January, March, April, September, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July and August (5mi).

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Marlborough, Connecticut, USA

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