Billings Snowfall Totals & Accumulation Averages
This page pulls together information on when, how much and how often Billings, Montana has snow.
There are data and descriptions here of how many days it snows and the total amount of snowfall that Billings usually gets. There are also monthly and yearly counts of the days that the city normally has heavy snowstorms and deep snow accumulated on the ground. Plus there's information on when Billings can expect the first and last snowfalls of the season.
The first set of monthly snow totals are averages for 2010 to 2019. All the other numbers are long-term historical averages based on weather data gathered from 1991 to 2020 at the Billings Logan International Airport.
How Often it Snows in Billings
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).
These averages don't show how much the snowfall in Billings varies from year to year.
In December, for instance, one in four years totals over 13.7 inches of snow. Another 25 percent of years receive less than 3.7 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 seven inches.
New snow for February ranges from over 11.5 inches in heavy snowfall years to under 2.4 inches in light years.
When Billings Has Its First & Last Snowfalls
The first snowfall of winter for Billings most often arrives in October. Less commonly October remains free of snow or it starts snowing in September.
The snow season ends most often in April or sometimes May.
Billings is normally free of snow every year from June to August.
How Many Snowstorms Billings Gets
Just over half the days with snowfall in Billings amount to just a skiff, leaving less than an inch of fresh snow on the ground. For 18 days a year on average, the amount of new snow totals at least an inch.
Snowstorms of over five inches a day normally occur a couple times a year. Major blizzards that dump ten inches or more in one day are not expected here.
How Much Snow Normally Accumulates in Billings
For more than one-third of winter days, Billings has at least an inch of snow on the ground.
The snowpack can accumulate to over five inches deep at anytime from October to April. For three days a year on average, the snow covering Billings builds up to twenty inches deep.
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.