Portsmouth weather in December (New Hampshire, United States of America)
Curious about the climate in Portsmouth this December? Check out this detailed guide to the month’s weather conditions.
Temperatures
Typically, December in Portsmouth includes low temperatures and high snow/rainfall. Experience the winter season in December. You can expect daytime temperatures to reach around 5°C, while the nights will see a decline to about -4°C. This month is known for its biting cold, so make sure to dress warmly. Proper preparation can help you stay cozy.
Precipitation
Portsmouth in December usually receives high snow/rainfall, averaging around 128 mm for the month. Expect around 14 days of snow/rain based on historical data.Average sunshine
The month experiences a moderate amount of sunlight, with 134 hours hours. A nice balance between sunshine and clouds.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
Where to go in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month.
So, what should you wear in this month?
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.
Interested in more climate information?
This site 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 travel conditions. Find out where to go with our weather planner.