White Christmas in South Boston?
Historically, South Boston, MA has a 37% chance of a white Christmas — at least 1 inch of snow on the ground on 25 December, about 1 Christmas in 3 — based on NOAA's 1991–2020 normals for Blue Hill Coop, 15 km from the city centre.
At least 5 inches is on the ground in 17% of years, and new snow (0.1 inch or more) falls on Christmas Day in 20%.
All US cities ranked Weather alerts now
From 15 December this page also links the National Weather Service forecast for South Boston.
South Boston against other cities
South Boston, MA ranks 9 of 93 US cities on our list.
| Boston, MA · 3 km | 37% |
|---|---|
| The Bronx, NY · 286 km | 12% |
| Queens, NY · 296 km | 12% |
| Manhattan, NY · 298 km | 13% |
| New York City, NY · 305 km | 13% |
| Brooklyn, NY · 306 km | 13% |
What this page shows, and what it misses
NOAA's smoothed share of Christmases from 1991 to 2020 with snow on the ground at Blue Hill Coop (station USC00190736, 625 ft above sea level, 15 km from the centre of South Boston), based on 30 years with data.
It misses this year's weather and local differences: snow cover can change a lot over a few miles and a few hundred feet of height.
FAQQuestions people ask
Will South Boston, MA have a white Christmas?
Historically, South Boston, MA has a 37% chance of a white Christmas — at least 1 inch of snow on the ground on 25 December, about 1 Christmas in 3 — based on NOAA's 1991–2020 normals for Blue Hill Coop, 15 km from the city centre. These are long-run odds, not a forecast: from about a week before, check the National Weather Service forecast for South Boston.
How much snow does South Boston, MA usually have on Christmas Day?
At least 5 inches is on the ground in 17% of years, and new snow (0.1 inch or more) falls on Christmas Day in 20%. The median snow depth on 25 December at this station is 4 inches.
How does South Boston, MA compare with other US cities?
South Boston, MA ranks 9 of 93 US cities on this list for the chance of 1 inch or more of snow on the ground on Christmas Day.
Source: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020 (daily normals; Palecki, M., Durre, I., Applequist, S., Arguez, A. & Lawrimore, J., 2021), public domain. Forecast links: National Weather Service (api.weather.gov), public domain. Station matching and ranking are Global Incident Tracker's own; NOAA does not endorse them.