Juneau Snowfall Totals & Accumulation Averages

How Often it Snows in Juneau

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 in Juneau, 2010 to 2019

Days		Inches	Centi­metres
4.4	January	16.5	41.9
3.3	February	11.0	27.8
3.2	March	10.8	27.4
0.7	April	1.6	4.1
0.2	October	0.7	1.8
3.9	November	16.6	42.1
5.0	December	15.5	39.3
21.3	Year	74.2	188.5

30-year snowfall averages in Juneau, 1991 to 2020

Days		Inches	Centi­metres
10.3	January	24.5	62.2
8.2	February	16.7	42.4
7.5	March	12.4	31.5
1.2	April	1.2	3.0
0.7	October	0.9	2.3
6.2	November	13.8	35.1
10.1	December	18.1	46.0
44.2	Year	87.6	222.5

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

In December, for instance, one in four years totals over 25.2 inches of snow. Another 25 percent of years receive less than 10.6 inches for the month.

Similarly in January, fresh snowfall in the heaviest years amounts to over 31.6 inches, while the lightest years get less than 13.8 inches.

New snow for February ranges from over 30 inches in heavy snowfall years to under 4.7 inches in light years.

When Juneau Has Its First & Last Snowfalls

The first snowfall of winter for Juneau usually arrives in November or October.

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

Juneau is normally free of snow every year from May to September.

How Many Snowstorms Juneau Gets

Most days of snowfall in Juneau amount to at least an inch, of fresh snow on the ground. For ten days a year on average, the amount of new snow totals at three or more inches.

Snowstorms of over five inches a day normally occur five times a year. 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 Juneau 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
6.2	2.9	January	1.7	0.2
4.6	2.0	February	0.9	0.1
3.5	1.3	March	0.6	0.1
0.4	0.1	April	0.0	0.0
0.3	0.1	October	0.1	0.0
3.1	1.5	November	0.9	0.3
5.0	2.0	December	0.8	0.1
23.1	9.9	Year	5.0	0.8

How Much Snow Normally Accumulates in Juneau

For about half of winter days, Juneau has at least an inch of snow on the ground.

Snow mostly accumulates during January and March. Typically, on 15 days a year the snow covering Juneau amounts to ten or more inches deep. The snow amounts to 20 inches or more deep on an average of four days a year.

Average total days per month and year in Juneau 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
17.6	13.6	January	10.5	5.1
15.2	12.0	February	10.1	3.8
12.7	9.9	March	6.3	2.8
0.9	0.5	April	0.3	0.0
0.4	0.1	October	0.0	0.0
7.1	4.8	November	3.2	1.7
13.6	8.9	December	6.0	1.8
67.5	49.8	Year	36.4	15.2