Portsmouth weather in December (New Hampshire, United States of America)
How is the weather in Portsmouth in December? Here's what the weather might have in store during this month.
In December, Portsmouth generally has low temperatures and high snow/rainfall. December falls within the winter season. Throughout the day, temperatures typically settle at around 5°C. But by evening, they drop to around -4°C. It's a notably cold month; make sure to wear layers to stay warm. It's wiser to gear up in advance than to be caught off-guard, trembling in the cold.
Portsmouth in December usually receives high snow/rainfall, averaging around 128 mm for the month. Typically around 14 days of snow/rainfall is expected.
The area enjoys a balanced 134 hours of sunlight. Ensuring it's neither too overcast nor too sunny.
If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Portsmouth. September typically offers the most optimal weather. In contrast, January, February, March, April, November and December tend to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Portsmouth climate page with graphs.
Portsmouth, monthly averages in December
Min Temperature
-4°C
Max Temperature
5°C
Chance of Rain
45%
Precipitation
128 mm
Rainy days
14 days
Humidity
72% *
Sunshine
134 hours *
Percentage Sunshine
*
Where to go in the United States of America in December
Find out more about the weather in the United States of America in December and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Portsmouth in December?
Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in December.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Portsmouth.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.
