Weather in Portsmouth in December
The weather in Portsmouth in December is cold, when degrees are between 2 and 13 and there are 14 days of rain and 2 days of snow in average. Therefore, if you are planning a trip to Portsmouth in December, warm clothes and gloves are highly recommended.
Avg Temp
2° - 13°
Avg Rainy Days
14
Avg Dry Days
17
Avg Snow Days
2
Weather Facts - Portsmouth in December
* The warmest temperature recorded in in December is 27°C
* The coldest temperature recorded in Portsmouth in December is (-12°C)
* The average rainfall in Portsmouth in December is 82 mm