January weather forecast
Attleboro, MA

Weather in January

January, the same as December, is another cold winter month in Attleboro, Massachusetts, with temperature in the range of an average low of 22.5°F (-5.3°C) and an average high of 34.3°F (1.3°C).

Temperature

January is the coldest month, with an average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 22.5°F (-5.3°C).

Humidity

In Attleboro, the average relative humidity in January is 77%.

Rainfall

In Attleboro, Massachusetts, in January, during 8.3 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Attleboro, during the entire year, the rain falls for 149.9 days and collects up to 29.09" (739mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In Attleboro, in January, snow falls for 7.8 days, with typically accumulated 2.72" (69mm) of snow. Throughout the year, there are 29.8 snowfall days, and 14.13" (359mm) of snow is accumulated.

Daylight

In Attleboro, the average length of the day in January is 9h and 32min.
On the first day of the month, sunrise is at 7:12 am and sunset at 4:24 pm. On the last day of January, sunrise is at 6:58 am and sunset at 4:58 pm EST.

Sunshine

In Attleboro, the average sunshine in January is 5.1h.

UV index

The months with the lowest UV index in Attleboro are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average 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 solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Attleboro?

With an average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 22.5°F (-5.3°C), January is the coldest month.

What is the temperature in January in Attleboro?

The average high-temperature, in January, in Attleboro, Massachusetts, is 34.3°F (1.3°C), while the average low-temperature is 22.5°F (-5.3°C).

What is the average humidity in January in Attleboro?

In January, the average relative humidity in Attleboro, Massachusetts, is 77%.

How many days does it rain in January in Attleboro?

In January, the rain falls for 8.3 days. Throughout January, 2.48" (63mm) of precipitation is accumulated.

How much does it snow in Attleboro in January?

In Attleboro, in January, during 7.8 snowfall days, 2.72" (69mm) of snow is typically accumulated.

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

The average day length in January in Attleboro, Massachusetts, is 9h and 32min.

When is the sunrise / sunset in January in Attleboro?

On the first day of January, sunrise is at 7:12 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:58 pm EST.

How long on average sun shines in January in Attleboro?

In January, the average sunshine duration in Attleboro, Massachusetts, is 5.1h.

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

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

How high is the UV index in January in Attleboro?

The average daily maximum UV index in January in Attleboro is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
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
Attleboro, MA

Average temperature in January - Attleboro, MA
  • Average high temperature in January: 34.3°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in January: 22.5°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in January
Attleboro, MA

Average pressure in January - Attleboro, MA
  • Average pressure in January: 30.01"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Attleboro, MA

Average wind speed in January - Attleboro, MA
  • Average wind speed in January: 9.2mph

The windiest months (with the highest average wind speed) are February and March (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

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Average humidity in January
Attleboro, MA

Average humidity in January - Attleboro, MA
  • Average humidity in January: 77%

The months with the highest relative humidity are February, June, September and October (78%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in January
Attleboro, MA

Average rainfall in January - Attleboro, MA
  • Average rainfall in January: 2.48"

The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.34").

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Average rainfall days in January
Attleboro, MA

Average rainfall days in January - Attleboro, MA
  • Average rainfall days in January: 8.3 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in January
Attleboro, MA

Average snowfall in January - Attleboro, MA
  • Average snowfall in January: 2.72"

The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
Attleboro, MA

Average snowfall days in January - Attleboro, MA
  • Average snowfall days in January: 7.8 days

The month with the highest number of snowfall days is January (7.8 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
Attleboro, MA

Average daylight in January / Average sunshine in January - Attleboro, MA
  • Average daylight in January: 9h and 32min

The month with the longest days is June (Average daylight: 15h and 11min).
The month with the shortest days is December (Average daylight: 9h and 11min).

  • Average sunshine in January: 5h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in January
Attleboro, MA

Average sunshine days in January - Attleboro, MA
  • Average sunshine days in January: 17.1 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (12.8 days).

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Average UV index in January
Attleboro, MA

Average UV index in January - Attleboro, MA
  • 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
Attleboro, MA

Average cloud cover in January - Attleboro, MA
  • Average cloud cover in January: 45

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

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Average visibility in January
Attleboro, MA

Average visibility in January - Attleboro, MA
  • Average visibility in January: 6mi

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

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