Top 10 snowiest Novembers for Denver, select Front Range cities

Denver's long-running average is 7.5 inches of snow in November. This makes it the cities 5th snowiest month on average, behind December, February, March, and April. Denver International Airport, where official records are currently kept (and have been since 2005) averages 3.3 inches, meanwhile, Stapleton (1948-2018) averages 8 inches.

Other sites:

  • Fort Collins (1894-2018) averages 6.8 inches.
  • Boulder (1893-2018) averages 11.2 inches.
  • Castle Rock/Sedalia (1959-2018) averages 10.5 inches.
  • And, Colorado Springs (1894-2018) averages 4.1 inches.

As far as the top 10 snowiest Novembers for each (we could also look at top 10 least snowy, but that's a lot of Novembers to show with no snowfall), they are as follows:

DIA:
2015 11.3"
2009 9.3"
2018 4.5"
2011 4.5"
2006 4.4"
2014 4.0"
2007 2.5"
2013 2.0"
2016 1.7"
2012 1.7"
2008 1.7"

Stapleton:
1991 29.6"
1983 29.3"
1979 22.3"
1956 21.3"
1992 20.1"
1972 19.4"
1993 17.4"
1985 17.0"
1994 16.9"
2015 15.7"

Fort Collins:
1979 29.1"
1983 28.2"
1946 27.8"
1985 24.0"
1992 23.8"
1973 22.0"
1993 20.9"
1972 18.1"
1919 16.2"
1961 15.7"

Boulder:
1946 46.7"
1992 44.7"
1979 39.3"
1908 31.0"
1983 30.1"
1991 28.9"
1993 27.0"
1972 26.8"
1952 26.7"
1929 25.9"

Castle Rock/Sedalia:
1991 61.0"
1972 35.0"
1992 30.0"
2015 29.0"
1983 26.3"
1979 25.0"
1975 24.7"
1956 20.5"
1970 20.2"
1997 19.0"

Colorado Springs:
1991 26.3"
1909 21.8"
1979 19.1"
1957 18.3"
1972 16.4"
1968 12.3"
1993 12.3"
1992 11.4"
1934 11.0"
1999 10.6"

You can see some really impressive November snow totals on the list.

As far as top individual storm totals for Denver, a doozy came through 2-4 November 1946 dropping 30.4 inches. 21.5 inches fell 26-27 November 1983. A 17.7 incher came through 19-21 November 1979.

Considering October had over a foot of snowfall, how did November fair in years following top-Octobers?

15 Octobers in Denver's entire record had more than 10 inches. Of those, 6 were followed by a snowier than average November. Only 3, however, had double-digit snowfalls, and those happened a long time ago...

1929 23.1"
1908 22.9"
1906 13"

That's just some perspective on this November. The first two weeks of the month have some passing systems, but you can see the total snowfall through November 14th according to the 18z Monday run of the GFS isn't showing a whole lot after a very busy end to October:

If correct, this would mean the second half of November would have to really deliver in order for us to rival any of the November stats as listed above.

Edit 2 pm: we corrected DIA's data which was previously showing season to date totals, not those of just November.

Weather5280

This is a collaborative post from multiple authors at Weather5280.

Denver, Colorado
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