Duluth Snowfall Totals & Accumulation Averages

How Often it Snows in Duluth

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 Duluth, 2010 to 2019

Days		Inches	Centi­metres
3.8	January	11.2	28.4
5.1	February	17.5	44.5
3.3	March	10.9	27.6
2.7	April	12.6	32.1
0.4	May	1.9	4.7
0.0	September	0.0	0.0
0.4	October	2.3	5.8
3.6	November	12.6	32.0
4.9	December	19.5	49.5
24.2	Year	88.5	224.8

30-year snowfall averages at Duluth, 1991 to 2020

Days		Inches	Centi­metres
13.1	January	16.8	42.7
10.9	February	15.1	38.4
8.0	March	12.8	32.5
5.7	April	9.1	23.1
0.6	May	0.8	2.0
0.1	September	0.1	0.3
2.1	October	2.7	6.9
9.0	November	14.1	35.8
12.9	December	18.7	47.5
62.4	Year	90.2	229.1

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

In December, for instance, one in four years totals over 25.9 inches of snow. Another 25 percent of years receive less than 8.6 inches for the month.

Similarly in January, fresh snowfall in the heaviest years amounts to over 18.9 inches, while the lightest years get less than 9.3 inches.

Snow in February ranges from over 20.1 inches in heavy snowfall years to 8.7 inches or less in light years.

When Duluth Has Its First & Last Snowfalls

Duluth's first snowfall of winter usually arrives in October, although it can show up as early as September or as late as November.

The season's last snowfall typically happens in April. Less commonly, a light snowfall lands in May.

Duluth is normally free of snow every year from June to August.

How Many Snowstorms Duluth Gets

Most days of snowfall in Duluth leave just a skiff, amounting to less than an inch, of fresh snow on the ground. For 25 days a year on average, the amount of 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 don't happen every year.

Number of days per month and year on average in Duluth 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
4.6	1.5	January	0.7	0.1
4.5	1.4	February	0.6	0.1
3.6	1.4	March	0.6	0.0
2.3	1.0	April	0.5	0.1
0.2	0.1	May	0.0	0.0
0.8	0.3	October	0.1	0.0
3.7	1.4	November	0.7	0.1
5.1	1.6	December	1.0	0.3
24.8	8.7	Year	4.2	0.7

How Much Snow Normally Accumulates in Duluth

For nearly all of winter, along with much of early spring and late fall, Duluth has at least an inch of snow on the ground, and often much more.

A snowpack of twenty or more inches deep can cover the city anytime from November to April, and on average lingers for 25 days a year.

Average total days per month and year in Duluth 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
30.7	28.0	January	25.4	19.2
28.0	27.1	February	24.9	20.9
26.8	25.9	March	23.5	18.1
9.8	6.9	April	5.0	2.1
0.2	0.1	May	0.0	0.0
1.6	0.6	October	0.2	0.0
13.0	8.7	November	5.5	1.2
27.1	22.0	December	17.0	9.7
137.2	119.3	Year	101.5	71.2