Most Monthly Snow in Castle Rock History

This is a list of the largest daily snowfall totals ever recorded in Castle Rock, Colorado history from 1893–2024.

What Was the Snowiest Month in Castle Rock History?

According to NOAA records, the most snow that Castle Rock, Colorado has ever received in a single month is 61.0 inches which occurred in April 1900.

Castle Rock Most Snow in One Month

Rank	Snow	Month
1	61.0 inches	April 1900
2	50.0 inches	March 1983
3	48.5 inches	October 1969
4	48.0 inches	November 1928
5	47.1 inches	March 2003
6	43.5 inches	December 1913
7	43.0 inches	December 1973
8	38.5 inches	November 1983
9	36.0 inches	April 1901
10	36.0 inches	October 1906
11	34.5 inches	December 1987
12	33.6 inches	March 1991
13	30.5 inches	December 1982
14	29.7 inches	November 1992
15	29.5 inches	March 2024
16	28.5 inches	March 2021
17	28.5 inches	April 1967
18	28.3 inches	February 2012
19	27.5 inches	February 1964
20	27.0 inches	March 1990