Ontonagon County Weather in December
Average highs run from 34°F on December 1 to 27°F on December 31, and lows from 21°F to 12°F. Normal precipitation for the month is 2.90 in over about 16 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
- 30°F
- Average low
- 16°F
- Precipitation
- 2.90 in
- Snowfall
- 48.1 in
- Record high
- 59°FDec 4, 1998
- Record low
- -36°FDec 20, 1983
- Chance of a freeze
- 100%
- Daylight
- 8 h 49 min to 8 h 37 min
- Cloud cover
- 83%
- Humidity
- 89%
- Dew point
- 23°F
- Wind
- 13.4 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 | 34°F | 21°F | 55°F 1962 | -20°F 1919 | 49% | 46% |
| Dec 2 | 34°F | 21°F | 54°F 1998 | -14°F 1975 | 50% | 46% |
| Dec 3 | 33°F | 20°F | 58°F 1982 | -20°F 1976 | 50% | 47% |
| Dec 4 | 33°F | 20°F | 59°F 1998 | -16°F 1972 | 50% | 48% |
| Dec 5 | 33°F | 20°F | 53°F 2017 | -11°F 1991 | 51% | 49% |
| Dec 6 | 32°F | 19°F | 55°F 1939 | -16°F 1991 | 51% | 49% |
| Dec 7 | 32°F | 19°F | 51°F 1939 | -22°F 1936 | 51% | 50% |
| Dec 8 | 32°F | 19°F | 48°F 2023 | -22°F 1917 | 51% | 50% |
| Dec 9 | 32°F | 18°F | 54°F 1939 | -24°F 1927 | 51% | 51% |
| Dec 10 | 31°F | 18°F | 50°F 1939 | -22°F 1919 | 51% | 51% |
| Dec 11 | 31°F | 18°F | 51°F 1913 | -26°F 1977 | 51% | 52% |
| Dec 12 | 31°F | 17°F | 50°F 1913 | -20°F 1945 | 51% | 52% |
| Dec 13 | 30°F | 17°F | 52°F 1913 | -25°F 1903 | 51% | 52% |
| Dec 14 | 30°F | 17°F | 47°F 2021 | -21°F 1901 | 51% | 53% |
| Dec 15 | 30°F | 16°F | 51°F 1998 | -26°F 1901 | 52% | 53% |
| Dec 16 | 30°F | 16°F | 55°F 2021 | -20°F 1932 | 52% | 54% |
| Dec 17 | 29°F | 16°F | 49°F 1939 | -19°F 1919 | 52% | 54% |
| Dec 18 | 29°F | 16°F | 49°F 1931 | -27°F 1983 | 52% | 54% |
| Dec 19 | 29°F | 15°F | 51°F 1923 | -31°F 1983 | 52% | 55% |
| Dec 20 | 29°F | 15°F | 46°F 1923 | -36°F 1983 | 52% | 55% |
| Dec 21 | 29°F | 15°F | 48°F 1967 | -29°F 1983 | 53% | 55% |
| Dec 22 | 28°F | 15°F | 42°F 1931 | -24°F 1989 | 53% | 56% |
| Dec 23 | 28°F | 14°F | 46°F 2019 | -26°F 1983 | 53% | 56% |
| Dec 24 | 28°F | 14°F | 46°F 1940 | -23°F 1990 | 53% | 56% |
| Dec 25 | 28°F | 14°F | 53°F 1994 | -28°F 1933 | 53% | 57% |
| Dec 26 | 28°F | 14°F | 52°F 1994 | -22°F 1990 | 54% | 57% |
| Dec 27 | 27°F | 13°F | 46°F 2011 | -24°F 1933 | 54% | 57% |
| Dec 28 | 27°F | 13°F | 42°F 2008 | -25°F 1917 | 54% | 58% |
| Dec 29 | 27°F | 13°F | 45°F 1979 | -29°F 1933 | 55% | 58% |
| Dec 30 | 27°F | 13°F | 43°F 1979 | -35°F 1976 | 55% | 59% |
| Dec 31 | 27°F | 12°F | 47°F 1904 | -27°F 1967 | 55% | 59% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 8:22 AM, sunset 5:11 PM
- December 31
- sunrise 8:42 AM, sunset 5:19 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00206220 (Ontonagon 6 Se), public domain. Records: NOAA GHCN-Daily, station USC00204104, 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.