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Somerville weather in December (Massachusetts, United States of America)

What does the weather outlook for Somerville look like in December? This guide provides the necessary weather information for your travel plans.

Temperatures

In December, Somerville tends to experience low temperatures and high snow/rainfall. December ushers in the winter season. During the day, temperatures usually reach up to 6°C. At night, they tend to fall to approximately -2°C.

Precipitation

Somerville in December usually receives high snow/rainfall, averaging around 132 mm for the month. This month is known for heavy rainfall, so don't forget your umbrella to stay dry. Historically, approximately 12 days this month are expected to have snow/rain.

Average sunshine

The city usually sees around 141 hours of sunlight, indicating a moderately sunny period.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Somerville. May, August and September typically offer the most optimal weather. In contrast, January, February, March and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Somerville climate page with graphs.

 

Somerville, monthly averages in December

Min TemperatureMin Temperature -2°C  
Max TemperatureMax Temperature 6°C  
Water TemperatureWater Temperature 8°C *  
Chance of RainChance of Rain 40%  
PrecipitationPrecipitation 132 mm  
Rainy daysRainy days 12 days  
HumidityHumidity 66% *  
WindspeedWindspeed 25 km/h *  
SunshineSunshine 141 hours *  
Percentage SunshinePercentage Sunshine 50% *  
* Data from: Boston, the United States of America (5 KM, 3 Miles).

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.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a 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. With a water temperature of around 8°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.

Swimming
5/10
Cycling
4/10
Walking
4/10
Camping
1/10
Outdoor sports
4/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Somerville.

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.