Worcester Snowfall Totals & Accumulation Averages
This page pulls together information on when, how much and how often Worcester, Massachusetts has snow.
There are data and descriptions here of how many days it snows and the total amount of snowfall that Worcester usually gets. There are also monthly and yearly counts of the days that the city normally has heavy snowstorms and deep snow accumulated on the ground. Plus there's information on when Worcester can expect the first and last snowfalls of the season.
All the numbers are long-term historical averages based on weather data gathered from 1981 to 2010 at the Worcester Municipal Airport.
How Often it Snows in Worcester
This first table lists monthly and yearly totals for amount of snow and how many days it snows at least 0.1 inches (0.25 centimetres).
These averages don't show how much the snowfall in Worcester varies from year to year.
In December, for instance, one in four years totals over 20.6 inches of snow. Another 25 percent of years receive less than 6.5 inches for the month.
Similarly in January, fresh snowfall in the heaviest years amounts to over 24 inches, while the lightest years get less than 7.9 inches.
New snow for February ranges from over 20.8 inches in heavy snowfall years to under 7.9 inches in light years.
When Worcester Has Its First & Last Snowfalls
The first snowfall of winter for Worcester usually arrives in November. But depending on the year, snowflakes start flying anytime from October to December.
The season's last snowfall most often happens in April. Every few years though, it stops snowing in March.
Worcester is normally free of snow every year from May to September.
How Many Snowstorms Worcester Gets
Half the days of snowfall in Worcester leave just a skiff, amounting to less than an inch, of fresh snow on the ground. For 16 days a year on average, the amount of new snow totals at least an inch.
Snowstorms of over five inches a day normally occur 3 or 4 times annually. But major blizzards that dump ten inches or more in one day are rare events that don't happen every year.
How Much Snow Normally Accumulates in Worcester
For about half of winter, Worcester has at least an inch of snow on the ground.
Snow mostly accumulates during January and February. Typically, on 2 or 3 days in January and in February, the snow covering Worcester gets to ten or more inches deep.
National Climatic Data Center. NOAA's 1981-2010 Climate Normals.