December weather forecast and climate
New Bedford, MA

What is the temperature in December in New Bedford?

The average high-temperature, in December, in New Bedford, Massachusetts, is 41.2°F (5.1°C), while the average low-temperature is 27.5°F (-2.5°C).

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

In New Bedford, Massachusetts, in December, it is raining for 11 days, with typically 4.1" (104.1mm) of accumulated precipitation.

How much does it snow in New Bedford in December?

Throughout December, in New Bedford, Massachusetts, 7.5" (190.5mm) of snow is accumulated.

What is the sea water temperature in December in New Bedford?

The average seawater temperature, in December, in New Bedford, Massachusetts, 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.
Average temperature in December - New Bedford, MA
  • Average high temperature in December: 5.1°C

The warmest month (with the highest average high temperature) is July (26.7°C).
The month with the lowest average high temperature is January (3.1°C).

  • Average low temperature in December: -2.5°C

The month with the highest average low temperature is July (18.2°C).
Coldest months (with the lowest average low temperature) are January and February (-4.7°C).

Average rainfall in December - New Bedford, MA
  • Average rainfall in December: 104.1mm

Wettest months (with the highest rainfall) are March and August (106.7mm).
The driest month (with the lowest rainfall) is July (73.7mm).

Average rainfall days in December - New Bedford, MA
  • Average rainfall days in December: 11 days

Months with the highest number of rainy days are January, March, April, May and December (11 days).
Months with the lowest number of rainy days are September and October (8 days).

Average snowfall in December - New Bedford, MA
  • Average snowfall in December: 190.5mm

The month with the highest snowfall is February (246.4mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

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).

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 shortest days is December (Average daylight: 9.2h).

  • Average sunshine in December: 5h

Months with most sunshine are June and July (Average sunshine: 9h).
Months with least sunshine are January, November and December (Average sunshine: 5).

Average UV index in December - New Bedford, MA
  • Average UV index in December: 1

Months with the highest UV index are June, July and August (UV index 8).
Months with the lowest UV index are January and December (UV index 1).

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