Hartford Snowfall Totals & Accumulation Averages





This page pulls together information on when, how much and how often Hartford, Connecticut has snow.

There are data and descriptions here of how many days it snows and the total amount of snowfall that Hartford usually gets. There are also monthly and yearly counts of the days the Hartford area normally has heavy snowstorms and deep snow accumulated on the ground. Plus there's information on when the city can expect the first and last snowfalls of the season.

The first set of monthly snow totals are averages for 2010 to 2019. The other numbers are 30-year averages, based mainly on weather data gathered from 1991 to 2020 at the Bradley International Airport. Snow depth data are for 1981 to 2010.

How Often it Snows in Hartford

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).

10-year snowfall averages at Hartford, 2010 to 2019
Days   Inches Centi­metres
3.2 January 13.7 34.9
3.8 February 17.2 43.6
2.0 March 7.1 18.1
0.5 April 1.7 4.2
0.2 October 1.4 3.5
0.3 November 1.6 4.1
1.7 December 8.4 21.3
11.7 Year 51.0 129.6
30-year snowfall averages at Hartford, 1991 to 2020
Days   Inches Centi­metres
6.1 January 14.2 36.1
6.2 February 14.8 37.6
3.8 March 9.4 23.9
0.7 April 1.1 2.8
0.1 October 0.7 1.8
0.9 November 1.4 3.6
4.5 December 10.1 25.7
22.3 Year 51.7 131.3

These averages don't show how much the snowfall in Hartford varies from year to year.

In December, for instance, one in four years totals over 14.2 inches of snow. Another 25 percent of years receive less than three inches for the month.

Similarly in January, fresh snowfall in the heaviest years amounts to over 15.6 inches, while the lightest years get less than 6.4 inches.

New snow for February ranges from over 21.4 inches in heavy snowfall years to under 8.3 inches in light years.

When Hartford Has Its First & Last Snowfalls

The first snowfall of winter for Hartford in most years arrives in December. Less commonly, snow lands here in November or October.

The season's last snowfall typically happens in March and sometimes April.

Hartford is normally free of snow every year from May to October.

How Many Snowstorms Hartford Gets

About half the days of snowfall in Hartford leave just a skiff, amounting to less than an inch, of fresh snow on the ground. For 13 days a year on average, the amount of new snow totals at least an inch.

Snowstorms of over five inches a day normally occur three times annually. But major blizzards that dump ten inches or more in one day are rare events that don't happen every year.

Number of days per month and year on average in Hartford with a total snowfall of at least 1, 3, 5 or 10 inches
1 inch
2.5 cm
3 inches
7.6 cm
  5 inches
12.7 cm
10 inches
25.4 cm
3.6 1.6 January 0.8 0.2
3.2 1.5 February 0.9 0.3
2.4 1.0 March 0.5 0.1
0.5 0.1 April 0.0 0.0
0.1 0.0 October 0.0 0.0
0.4 0.2 November 0.0 0.0
2.3 1.4 December 0.7 0.1
12.5 5.8 Year 2.9 0.7

How Much Snow Normally Accumulates in Hartford

For over one-third of winter days, Hartford has at least an inch of snow on the ground.

Snow mostly accumulates during January and February. Typically, on one or two days in January and in February, the snow covering Hartford gets to ten or more inches deep.

Average total days per month and year in Hartford with snow depth of at least 1, 3, 5 or 10 inches on the ground
1 inch
2.5 cm
3 inches
7.6 cm
  5 inches
12.7 cm
10 inches
25.4 cm
15.8 9.2 January 6.3 1.9
12.4 8.5 February 4.5 1.4
5.1 3.0 March 1.4 0.3
0.5 0.2 April 0.1 0.1
0.9 0.6 November 0.1 0.0
6.6 2.5 December 1.4 0.4
41.3 24.0 Year 13.8 4.1
References

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.

Connecticut Snowfall
Back to Top