New Bedford
Massachusetts, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and Climate
New Bedford, MA

  • The 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).

  • The 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).

  • The 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).

  • The 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).

  • The 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).

  • The average sea temperature in December: 8°C

The best month for swimming (with the highest average sea temperature) is August (20°C).
Coldest months (with the lowest average sea temperature) are February and March (4°C).

  • The average daylight in December: 9h

Months with the longest days are May, June and July (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9h).

  • The 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).

  • The 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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