Superior Weather in December
Average highs run from 66°F on December 1 to 60°F on December 31, and lows from 47°F to 43°F. Normal precipitation for the month is 2.12 in over about 4 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
- 62°F
- Average low
- 44°F
- Precipitation
- 2.12 in
- Record high
- 91°FDec 7, 1939
- Record low
- 16°FDec 31, 1970
- Chance of a freeze
- 41%
- Daylight
- 10 h 07 min to 9 h 59 min
- Cloud cover
- 43%
- Humidity
- 49%
- Dew point
- 27°F
- Wind
- 7.6 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 | 66°F | 47°F | 84°F 1916 | 27°F 1986 | 12% | 0% |
| Dec 2 | 65°F | 47°F | 84°F 1916 | 26°F 2004 | 12% | 0% |
| Dec 3 | 65°F | 46°F | 88°F 1954 | 23°F 1957 | 12% | 0% |
| Dec 4 | 65°F | 46°F | 85°F 1939 | 22°F 1909 | 12% | 0% |
| Dec 5 | 64°F | 46°F | 88°F 1939 | 21°F 1948 | 12% | 0% |
| Dec 6 | 64°F | 46°F | 89°F 1939 | 20°F 1960 | 12% | 0% |
| Dec 7 | 64°F | 45°F | 91°F 1939 | 17°F 1960 | 13% | 0% |
| Dec 8 | 63°F | 45°F | 90°F 1939 | 21°F 1978 | 13% | 0% |
| Dec 9 | 63°F | 45°F | 86°F 1939 | 20°F 1916 | 13% | 0% |
| Dec 10 | 63°F | 45°F | 90°F 1939 | 20°F 1916 | 13% | 0% |
| Dec 11 | 62°F | 44°F | 89°F 1939 | 21°F 1916 | 13% | 0% |
| Dec 12 | 62°F | 44°F | 87°F 1939 | 22°F 1953 | 13% | 0% |
| Dec 13 | 62°F | 44°F | 81°F 1948 | 22°F 1949 | 13% | 0% |
| Dec 14 | 62°F | 44°F | 84°F 1939 | 22°F 1949 | 14% | 0% |
| Dec 15 | 61°F | 44°F | 81°F 1955 | 23°F 1892 | 14% | 0% |
| Dec 16 | 61°F | 44°F | 86°F 1939 | 20°F 1931 | 14% | 0% |
| Dec 17 | 61°F | 44°F | 88°F 1939 | 21°F 1931 | 14% | 0% |
| Dec 18 | 61°F | 43°F | 87°F 1939 | 20°F 1909 | 15% | 0% |
| Dec 19 | 61°F | 43°F | 81°F 1941 | 22°F 1909 | 15% | 0% |
| Dec 20 | 61°F | 43°F | 87°F 1939 | 22°F 1930 | 15% | 0% |
| Dec 21 | 61°F | 43°F | 83°F 1936 | 19°F 1930 | 15% | 0% |
| Dec 22 | 60°F | 43°F | 88°F 1936 | 22°F 1949 | 15% | 0% |
| Dec 23 | 60°F | 43°F | 82°F 1955 | 24°F 1956 | 16% | 0% |
| Dec 24 | 60°F | 43°F | 85°F 1955 | 18°F 1974 | 16% | 0% |
| Dec 25 | 60°F | 43°F | 81°F 1950 | 25°F 1949 | 16% | 0% |
| Dec 26 | 60°F | 43°F | 82°F 1928 | 24°F 1949 | 16% | 0% |
| Dec 27 | 60°F | 43°F | 82°F 1931 | 23°F 1939 | 16% | 0% |
| Dec 28 | 60°F | 43°F | 78°F 1980 | 17°F 1954 | 16% | 0% |
| Dec 29 | 60°F | 43°F | 83°F 1980 | 19°F 1970 | 17% | 0% |
| Dec 30 | 60°F | 43°F | 78°F 1937 | 21°F 1954 | 17% | 0% |
| Dec 31 | 60°F | 43°F | 81°F 1980 | 16°F 1970 | 17% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:10 AM, sunset 5:17 PM
- December 31
- sunrise 7:28 AM, sunset 5:27 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00028348 (Superior), public domain. Records: NOAA GHCN-Daily, station USC00023027, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.