Concord Snowfall Totals & Accumulation Averages
This page pulls together information on when, how much and how often Concord, New Hampshire has snow.
There are data and descriptions here of how many days it snows and the total amount of snowfall that Concord 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 Concord can expect the first and last snowfalls of the season.
The first set of monthly snow totals are averages for 2010 to 2019. All the other numbers are long-term historical averages based on weather data gathered from 1991 to 2020 at the Concord Municipal Airport.
How Often it Snows in Concord
The next two tables list 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 Concord varies from year to year.
In December, for instance, one in four years totals over 20 inches of snow. Another 25 percent of years receive less than 5.2 inches for the month.
Similarly in January, fresh snowfall in the heaviest years amounts to over 22.8 inches, while the lightest years get less than 9.5 inches.
New snow for February ranges from over 22.8 inches in heavy snowfall years to under 10.1 inches in light years.
When Concord Has Its First & Last Snowfalls
The first snowfall of winter for Concord usually arrives in November. Some years instead see snow in October or not until December.
The season's last snowfall typically happens in March or April.
Concord is normally free of snow every year from May to September.
How Many Snowstorms Concord Gets
About half the days of snowfall in Concord amount to just a skiff, less than an inch, of fresh snow on the ground. For 17 days a year on average, the new snow totals at least an inch.
Snowstorms of over five inches a day normally occur four 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 Concord
On most winter days, Concord has at least an inch of snow on the ground.
Typically on 33 days a year the snow covering Concord gets to ten or more inches deep. For nine or ten of those days, the snowpack builds up to over 20 inches deep.
Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.
NOAA National Centers for Environmental Information (NCEI). Climate Normals.