Portland weather in December (Maine, United States of America)
What's the typical weather in Portland for December? Wondering about the weather this month? Our guide has all the details you need.
Temperatures
The typical weather for December in Portland includes low temperatures and high snow/rainfall. During December, the winter season is in full swing. Expect daytime highs to reach approximately 4°C, with nighttime lows dipping to around -5°C. Known for its cold temperatures, this month requires warm clothing. Ensure you dress appropriately to stay comfortable.
Precipitation
Portland in December usually receives high snow/rainfall, averaging around 139 mm for the month. Snow/rain is expected on roughly 14 days.Average sunshine
The area enjoys a moderate level of sunlight, with around 140 hours. It's a good balance between sunny and cloudy days.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Portland. June, July, August and September typically offer 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 Portland climate page with graphs.
Portland, monthly averages in December
Min Temperature
-5°C
Max Temperature
4°C
Water Temperature
7°C
Chance of Rain
48%
Precipitation
139 mm
Rainy days
14 days
Humidity
70%
Sunshine
140 hours
Percentage Sunshine
51%
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.
perfect weather
pleasant
tolerable
unpleasant
poor
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. With a water temperature of around 7°C there is no need to bring your swimwear.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 Portland.
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.
