Boston Weather in December

Boston in December sees low temperatures, with highs around 9°C (48°F) and overnight lows of 3°C (37°F). Around 57 mm (2.2 in) of rainfall is typical, so a light rain jacket is a sensible addition to your bag.

Rainfall in Boston in December

Typically, you can expect about 17 days of rain this month, with 57 mm (2.2 in) on average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Boston in December

Boston in December gets highs of 9°C (48°F) during the day and drops to 3°C (37°F) at night. Experience the winter season in December. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. At 3°C (37°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Boston in December

With limited sunshine this month, there are about 57 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

December in Boston has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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Check the conditions for any month of the year.

• January
• February
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• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Boston's climate page.

Boston Temperature in December

Min Temperature 3°C (37°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 56%  

Precipitation 57 mm (2.2 in)  

Rainy days 17 days  

Sunshine 57 hours *  

Percentage Sunshine *  

* Data from: Peterborough, the United Kingdom (47 KM, 29 Miles).

What to Wear in Boston in December

Dress warmly and in layers for your trip to Boston in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Boston in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

4/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Boston's climate page.

More climate data for Boston

Temperature Rainfall Sunshine

See the full Boston climate overview or explore weather in the United Kingdom.