Denver/Boulder, CO
Weather Forecast Office
Denver's Latest First Snow Dates and Consecutive Non-Measurable Snow Days
CLICK HERE FOR A PDF VERSION OF THESE TABLES
Denver officially recorded 0.3 inches of snow on December 10th, 2021, smashing the previous record for latest snowfall to start the season. The previous record for latest measurable snow was November 21st, which occurred in 1934. That means we've broken that record by nearly three weeks! Measurable snow is defined as 0.1" or greater. Snowfall records began in 1882. Here is the current list:
Denver's Latest First Snowfall Dates since 1882 (at least 0.1")
Rank | Date | Snow |
1 | 12/10/2021 | 0.3 |
2 |
11/21/1934 |
1.0 |
3 |
11/19/1931 |
1.0 |
4 |
11/17/2016 |
1.7 |
5 |
11/16/1894 |
2.6 |
T6 |
11/15/2010 |
1.5 |
11/15/1988 |
2.5 | |
11/15/1987 |
6.1 | |
11/15/1902 |
4.0 | |
10 |
11/14/2008 |
0.1 |
11/14/1964 |
4.2 | |
11/14/1944 |
0.1 |
Meanwhile, there were 232 consecutive days without measurable snowfall at Denver. This is tied for the longest streak in recorded history.
Consecutive Days of Non Measurable Snowfall ( <0.1") at Denver
Rank | # of Days | Time Period |
T1 | 232 | 4/22/2021 - 12/9/2021 |
232 | 3/5/1887 - 10/22/1887 | |
3 | 225 | 3/27/1888 - 11/6/1888 |
4 | 220 | 3/23/1889 - 10/28/1889 |
5 | 219 | 4/5/1886 - 11/9/1886 |
6 | 212 | 3/19/1925 - 10/16/1925 |
T7 | 211 | 4/1/1992 - 10/28/1992 |
211 | 4/3/1977 - 10/30/1977 | |
211 | 4/13/1940 - 11/9/1940 | |
10 | 210 | 4/20/1894 - 11/15/1894 |
* Note: Previous versions of this webpage have incorrectly listed the streaks of 1887, 1888, 1889, and 1940. The streaks listed on the webpage now should be considered official.
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Denver/Boulder, CO
325 Broadway
Boulder, CO 80305-3328
303-494-3210 for a recording call 303-494-4221
Comments? Questions? Please Contact Us.