Aspen Snowfall Totals & Accumulation Averages

How Often it Snows in Aspen

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).

Average total snowfall and days with fresh snow in Aspen

Days		Inches	Centi­metres
12.0	January	28.1	71.4
11.6	February	28.3	71.9
9.5	March	26.9	68.3
8.4	April	20.9	53.1
2.5	May	7.0	17.8
0.2	June	0.4	1.0
0.7	September	1.0	2.5
4.0	October	10.2	25.9
8.3	November	20.5	52.1
11.3	December	27.5	69.9
68.5	Year	170.8	433.8

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

In December, for instance, one in four years totals at least 34.6 inches of snow. Another 25 percent of years receive less than 17.7 inches for the month.

Similarly in January, fresh snowfall in the heaviest years amounts to over 34.9 inches, while the lightest years get less than 21.5 inches.

New snow for February ranges from over 34.7 inches in heavy snowfall years to under 20.9 inches in light years.

When Aspen Has Its First & Last Snowfalls

The first snowfall of winter for Aspen most often arrives in October. About twice in a decade some snow lands in September.

The season's last snowfall typically happens in May, but some years also get a little snow in June.

Aspen is normally free of snow every year during July and August.

How Many Snowstorms Aspen Gets

Most days of snowfall in Aspen leave an inch or more of fresh snow on the ground. For 24 days a year on average, the amount of new snow totals at least three inches.

Snowstorms that drop over five inches in a day normally occur ten times a year. But major blizzards that dump ten inches or more in one day are uncommon events, that arrive just once or twice a year.

Number of days per month and year on average in Aspen 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
8.5	3.7	January	1.3	0.2
8.5	3.5	February	1.7	0.1
7.3	3.8	March	1.6	0.2
6.3	3.1	April	1.1	0.1
1.9	1.0	May	0.4	0.0
0.1	0.1	June	0.0	0.0
0.3	0.2	September	0.0	0.0
2.8	1.5	October	0.6	0.1
6.8	3.3	November	1.5	0.2
8.2	3.3	December	1.3	0.3
50.7	23.5	Year	9.5	1.2

How Much Snow Normally Accumulates in Aspen

For nearly half the year, Aspen has at least an inch of snow on the ground.

Snow accumulates to twenty or more inches deep throughout most of January to March. Although each spring and fall are different, the snowpack in Aspen can top ten inches anytime from October to May.

Average total days per month and year in Aspen 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
31.0	31.0	January	30.6	29.5
28.5	28.5	February	28.5	28.3
30.3	30.2	March	29.9	28.9
18.3	16.1	April	14.1	11.2
3.1	2.0	May	1.1	0.2
0.1	0.0	June	0.0	0.0
0.3	0.2	September	0.1	0.0
4.8	3.1	October	1.6	0.1
20.6	18.0	November	14.0	4.7
30.5	29.8	December	28.8	22.8
167.5	158.9	Year	148.7	125.7