McCall Snowfall Totals & Accumulation Averages





This page pulls together information on when, how much and how often McCall, Idaho has snow.

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

All the numbers are long-term historical averages based on weather data gathered from 1981 to 2010 at the McCall Municipal Airport.

How Often it Snows in McCall

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 McCall
Days   Inches Centi­metres
11.3 January 36.6 93.0
8.2 February 22.5 57.2
6.6 March 15.7 39.9
2.6 April 5.5 14.0
0.4 May 0.7 1.8
0.1 June 0.1 0.3
0.8 October 1.6 4.1
7.8 November 19.7 50.0
11.6 December 33.3 84.6
49.4 Year 135.7 344.7

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

In December, for instance, one in four years totals 43 inches or more of snow. Another 25 percent of years receive 25 inches at most for the month.

Similarly in January, fresh snowfall in the heaviest years amounts to at least 45 inches, while the lightest years get no more than 25 inches.

New snow for February ranges from over 35 inches in heavy snowfall years to ten inches or less in light years.

When McCall Has Its First & Last Snowfalls

The first snowfall of winter for McCall usually arrives in November. Every few years, October also gets some snow.

The season's last snowfall most often happens in April. In one out of four years, it doesn't stop snowing until May. Sometimes a light dusting of snow shows up as late as June.

McCall is normally free of snow every year from July to September.

How Many Snowstorms McCall Gets

Most days of snowfall in McCall leave at least an inch of fresh snow on the ground. For 20 days a year on average, the amount of new snow totals three inches or more.

Snowstorms of over five inches a day normally occur six or seven 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 McCall 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
10.9 5.4 January 1.7 0.2
7.6 3.5 February 1.2 0.1
6.3 2.2 March 0.4 0.1
2.3 0.9 April 0.0 0.0
0.3 0.1 May 0.0 0.0
0.7 0.2 October 0.1 0.0
7.2 2.7 November 0.9 0.1
10.9 5.3 December 2.1 0.2
46.2 20.3 Year 6.4 0.7

How Much Snow Normally Accumulates in McCall

Throughout winter, McCall has at least five inches of snow on the ground.

Indeed, the snowpack usually accumulates to over ten inches from mid December to near the end of March.

Average total days per month and year in McCall 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 31.0 29.5
28.2 28.2 February 28.2 28.2
30.0 29.7 March 29.0 26.4
12.1 10.7 April 9.2 6.9
0.4 0.2 May 0.1 0.1
0.8 0.3 October 0.1 0.0
14.6 11.1 November 8.8 3.7
29.9 28.5 December 26.8 21.0
147.0 139.7 Year 133.2 115.8
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Idaho Snowfall
Back to Top