Superior Weather in December
Average highs run from 36°F on December 1 to 34°F on December 31, and lows from 24°F to 21°F. Normal precipitation for the month is 1.38 in over about 11 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 34°F
- Average low
- 22°F
- Precipitation
- 1.38 in
- Snowfall
- 12.8 in
- Record high
- 61°FDec 3, 1956
- Record low
- -28°FDec 18, 1924
- Chance of a freeze
- 100%
- Daylight
- 8 h 46 min to 8 h 33 min
- Cloud cover
- 74%
- Humidity
- 97%
- Dew point
- 18°F
- Wind
- 4.9 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Dec 1 | 36°F | 24°F | 54°F 1972 | -8°F 1931 | 39% | 24% |
| Dec 2 | 36°F | 23°F | 55°F 1927 | -8°F 1931 | 38% | 24% |
| Dec 3 | 36°F | 23°F | 61°F 1956 | -15°F 1919 | 38% | 25% |
| Dec 4 | 35°F | 23°F | 58°F 1965 | -10°F 1919 | 38% | 25% |
| Dec 5 | 35°F | 23°F | 54°F 1918 | -11°F 1919 | 38% | 25% |
| Dec 6 | 35°F | 23°F | 55°F 1939 | -7°F 1919 | 37% | 26% |
| Dec 7 | 35°F | 22°F | 55°F 1939 | -9°F 2013 | 37% | 26% |
| Dec 8 | 35°F | 22°F | 56°F 1940 | -15°F 1972 | 37% | 27% |
| Dec 9 | 34°F | 22°F | 55°F 1979 | -16°F 1932 | 37% | 27% |
| Dec 10 | 34°F | 22°F | 56°F 1979 | -12°F 1961 | 37% | 28% |
| Dec 11 | 34°F | 22°F | 55°F 1924 | -14°F 1927 | 37% | 28% |
| Dec 12 | 34°F | 22°F | 58°F 1924 | -23°F 1919 | 37% | 29% |
| Dec 13 | 34°F | 22°F | 58°F 1924 | -20°F 1919 | 37% | 29% |
| Dec 14 | 34°F | 21°F | 59°F 1924 | -8°F 1931 | 36% | 30% |
| Dec 15 | 34°F | 21°F | 56°F 1924 | -11°F 1932 | 36% | 30% |
| Dec 16 | 33°F | 21°F | 51°F 1942 | -12°F 2008 | 36% | 30% |
| Dec 17 | 33°F | 21°F | 51°F 1942 | -25°F 1924 | 36% | 31% |
| Dec 18 | 33°F | 21°F | 50°F 1936 | -28°F 1924 | 36% | 31% |
| Dec 19 | 33°F | 21°F | 53°F 2004 | -26°F 1924 | 36% | 31% |
| Dec 20 | 33°F | 21°F | 49°F 2004 | -13°F 1990 | 36% | 32% |
| Dec 21 | 33°F | 21°F | 52°F 1933 | -16°F 1983 | 36% | 32% |
| Dec 22 | 33°F | 21°F | 53°F 1933 | -22°F 1924 | 36% | 32% |
| Dec 23 | 33°F | 21°F | 52°F 1933 | -23°F 1924 | 36% | 32% |
| Dec 24 | 33°F | 21°F | 55°F 1919 | -24°F 1924 | 36% | 33% |
| Dec 25 | 33°F | 21°F | 51°F 1919 | -18°F 1924 | 36% | 33% |
| Dec 26 | 33°F | 21°F | 51°F 1972 | -17°F 1948 | 36% | 33% |
| Dec 27 | 33°F | 21°F | 50°F 1972 | -16°F 1916 | 36% | 33% |
| Dec 28 | 34°F | 21°F | 51°F 1919 | -8°F 1983 | 36% | 33% |
| Dec 29 | 34°F | 21°F | 55°F 1917 | -24°F 1990 | 36% | 33% |
| Dec 30 | 34°F | 21°F | 55°F 1920 | -24°F 1968 | 35% | 33% |
| Dec 31 | 34°F | 21°F | 54°F 1917 | -27°F 1927 | 35% | 33% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 8:06 AM, sunset 4:52 PM
- December 31
- sunrise 8:26 AM, sunset 4:59 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024159 (Superior), public domain. Records: NOAA GHCN-Daily, station USW00024159, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.