December weather forecast and climate
New Bedford, MA

Amazing stonework looking over at the white Breakwater Entrance Lighthouse in the New Bedford Harbor, Massachusetts
Amazing stonework looking over at the white Breakwater Entrance Lighthouse in the New Bedford Harbor, Massachusetts

Weather in December

December, the first month of the winter, in New Bedford, is also a wintry month, with average temperature fluctuating between 42.4°F (5.8°C) and 33.3°F (0.7°C).

Temperature

In New Bedford, the average high-temperature in December marginally drops, from a cool 50.9°F (10.5°C) in November, to a wintry 42.4°F (5.8°C). In December, in New Bedford, the average low-temperature is 33.3°F (0.7°C).

Humidity

In December, the average relative humidity in New Bedford is 76%.

Rainfall

In New Bedford, in December, it is raining for 9.5 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, in New Bedford, Massachusetts, there are 133.2 rainfall days, and 17.2" (437mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in New Bedford. In New Bedford, during December, snow falls for 3.2 days and regularly aggregates up to 0.79" (20mm) of snow. Throughout the year, in New Bedford, Massachusetts, there are 21.4 snowfall days, and 5.87" (149mm) of snow is accumulated.

Ocean temperature

In New Bedford, the average seawater temperature is 46.9°F (8.3°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

With an average of 9.2h of daylight, December has the shortest days of the year in New Bedford.

Sunshine

In New Bedford, the average sunshine is 4.9h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in New Bedford. A UV Index value of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for 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 average humidity in December in New Bedford?

The average relative humidity in December in New Bedford is 76%.

How much does it rain in New Bedford in December?

In New Bedford, in December, during 9.5 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

How many days does it snow in December in New Bedford?

In New Bedford, in December, during 3.2 snowfall days, 0.79" (20mm) of snow is typically accumulated.

What is the water temperature in December in New Bedford?

In New Bedford, the average seawater temperature in December is 46.9°F (8.3°C). Swimming in 46.9°F (8.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in New Bedford?

December has the shortest days of the year in New Bedford, Massachusetts, with an average of 9.2h of daylight.

What is the average length of the day in December in New Bedford?

In New Bedford, the average length of the day in December is 9.2h.

How long on average sun shines in December in New Bedford?

In New Bedford, Massachusetts, the average sunshine in December is 4.9h.

When is the lowest UV index in New Bedford?

Months with the lowest UV index in New Bedford are January through March, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in New Bedford?

In New Bedford, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.

Average temperature in December
New Bedford, MA

Average temperature in December - New Bedford, MA
  • Average high temperature in December: 5.8°C

The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (2.4°C).

  • Average low temperature in December: 0.7°C

The month with the highest average low temperature is July (19.1°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).

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Average pressure in December
New Bedford, MA

Average pressure in December - New Bedford, MA
  • Average pressure in December: 1017mbar

The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

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Average wind speed in December
New Bedford, MA

Average wind speed in December - New Bedford, MA
  • Average wind speed in December: 18.1km/h

The windiest month (with the highest average wind speed) is January (19.1km/h).
The calmest month (with the lowest average wind speed) is August (12.8km/h).

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Average humidity in December
New Bedford, MA

Average humidity in December - New Bedford, MA
  • Average humidity in December: 76%

Months with the highest relative humidity are June and July (80%).
Months with the lowest relative humidity are March, April and November (74%).

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Average rainfall in December
New Bedford, MA

Average rainfall in December - New Bedford, MA
  • Average rainfall in December: 43mm

The wettest month (with the highest rainfall) is October (49mm).
The driest month (with the least rainfall) is September (27mm).

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Average rainfall days in December
New Bedford, MA

Average rainfall days in December - New Bedford, MA
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in December
New Bedford, MA

Average snowfall in December - New Bedford, MA
  • Average snowfall in December: 20mm

The month with the highest snowfall is February (45mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in December
New Bedford, MA

Average snowfall days in December - New Bedford, MA
  • Average snowfall days in December: 3.2 days

The month with the highest number of snowfall days is January (6.5 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in December
New Bedford, MA

Average sea temperature in December - New Bedford, MA
  • Average sea temperature in December: 8.3°C

The best month for swimming (with the highest average sea temperature) is August (20.3°C).
The coldest month (with the lowest average sea temperature) is February (3.4°C).

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Average daylight in December /
Average sunshine in December
New Bedford, MA

Average daylight in December / Average sunshine in December - New Bedford, MA
  • Average daylight in December: 9.2h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in December: 4.9h

The month with the most sunshine is August (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in December
New Bedford, MA

Average sunshine days in December - New Bedford, MA
  • Average sunshine days in December: 18.3 days

Months with the most sunshine days are November and December (18.3 days).
The month with the least sunshine days is April (14.4 days).

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Average UV index in December
New Bedford, MA

Average UV index in December - New Bedford, MA
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in December
New Bedford, MA

Average cloud cover in December - New Bedford, MA
  • Average cloud cover in December: 47

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in December
New Bedford, MA

Average visibility in December - New Bedford, MA
  • Average visibility in December: 9km

Months with the highest visibility are April, August, October and November (10km).
Months with the lowest visibility are January, February, March, May, June, July, September and December (9km).

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