Black River Weather in December
Average highs run from 40°F on December 1 to 31°F on December 31, and lows from 25°F to 14°F. Normal precipitation for the month is 3.85 in over about 17 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
- 35°F
- Average low
- 20°F
- Precipitation
- 3.85 in
- Snowfall
- 26.9 in
- Record high
- 69°FDec 6, 2001
- Record low
- -39°FDec 29, 1933
- Chance of a freeze
- 100%
- Daylight
- 9 h 08 min to 8 h 57 min
- Cloud cover
- 77%
- Humidity
- 86%
- Dew point
- 26°F
- Wind
- 11.2 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 | 40°F | 25°F | 66°F 1934 | -6°F 1936 | 53% | 21% |
| Dec 2 | 40°F | 25°F | 61°F 1914 | -12°F 1930 | 54% | 22% |
| Dec 3 | 39°F | 24°F | 61°F 1982 | -18°F 1976 | 54% | 23% |
| Dec 4 | 39°F | 24°F | 66°F 1982 | -22°F 1940 | 54% | 23% |
| Dec 5 | 39°F | 24°F | 68°F 2012 | -12°F 1989 | 54% | 24% |
| Dec 6 | 38°F | 23°F | 69°F 2001 | -15°F 1935 | 54% | 24% |
| Dec 7 | 38°F | 23°F | 68°F 1998 | -6°F 1926 | 55% | 25% |
| Dec 8 | 37°F | 23°F | 62°F 2001 | -14°F 1906 | 55% | 26% |
| Dec 9 | 37°F | 22°F | 62°F 1966 | -22°F 1902 | 55% | 26% |
| Dec 10 | 37°F | 22°F | 62°F 1966 | -13°F 1968 | 55% | 27% |
| Dec 11 | 36°F | 22°F | 61°F 1911 | -17°F 1904 | 55% | 27% |
| Dec 12 | 36°F | 21°F | 61°F 1899 | -14°F 1988 | 55% | 27% |
| Dec 13 | 36°F | 21°F | 62°F 1899 | -14°F 1898 | 55% | 28% |
| Dec 14 | 35°F | 20°F | 65°F 1901 | -19°F 1898 | 56% | 28% |
| Dec 15 | 35°F | 20°F | 66°F 2015 | -21°F 1943 | 56% | 29% |
| Dec 16 | 35°F | 20°F | 60°F 1894 | -21°F 1917 | 56% | 29% |
| Dec 17 | 34°F | 19°F | 63°F 2021 | -22°F 1942 | 56% | 30% |
| Dec 18 | 34°F | 19°F | 58°F 1921 | -23°F 1926 | 56% | 30% |
| Dec 19 | 34°F | 19°F | 54°F 2025 | -16°F 1951 | 56% | 31% |
| Dec 20 | 33°F | 18°F | 57°F 1957 | -35°F 1942 | 56% | 31% |
| Dec 21 | 33°F | 18°F | 61°F 1957 | -29°F 1942 | 57% | 31% |
| Dec 22 | 33°F | 18°F | 60°F 2018 | -24°F 1989 | 57% | 32% |
| Dec 23 | 33°F | 17°F | 62°F 1949 | -24°F 1943 | 57% | 32% |
| Dec 24 | 32°F | 17°F | 67°F 2015 | -16°F 1943 | 57% | 33% |
| Dec 25 | 32°F | 17°F | 66°F 2015 | -30°F 1980 | 57% | 33% |
| Dec 26 | 32°F | 16°F | 60°F 1964 | -28°F 1980 | 57% | 33% |
| Dec 27 | 32°F | 16°F | 58°F 1936 | -27°F 1989 | 57% | 34% |
| Dec 28 | 31°F | 15°F | 59°F 2008 | -26°F 1989 | 57% | 34% |
| Dec 29 | 31°F | 15°F | 61°F 1982 | -39°F 1933 | 57% | 34% |
| Dec 30 | 31°F | 15°F | 58°F 1984 | -29°F 1933 | 57% | 34% |
| Dec 31 | 31°F | 14°F | 56°F 1965 | -21°F 1963 | 58% | 35% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:18 AM, sunset 4:26 PM
- December 31
- sunrise 7:38 AM, sunset 4:35 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00309000 (Watertown), public domain. Records: NOAA GHCN-Daily, station USC00309000, 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.