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

Looking to travel to Somerville in December? This guide provides all the details you need.

In December, Somerville generally has low temperatures and high snow/rainfall. December falls within the winter season. Anticipate daytime temperatures around 6°C, while night temperatures can drop to -2°C.

Somerville in December usually receives high snow/rainfall, averaging around 132 mm for the month. With this being the wettest month, keeping an umbrella on hand might save you from getting wet from a sudden shower. Typically around 12 days of snow/rainfall is expected.

The area experiences a moderate amount of sunshine, with approximately 141 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

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 in December and which places have the best weather 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 Somerville in December?

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 in December.

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

Interested in more climate information?

Weather and Climate 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 climate conditions. Find out where to go with our weather planner.