Clark Fork Weather in December
Average highs run from 35°F on December 1 to 31°F on December 31, and lows from 26°F to 22°F. Normal precipitation for the month is 4.19 in over about 18 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
- 32°F
- Average low
- 23°F
- Precipitation
- 4.19 in
- Snowfall
- 24.6 in
- Record high
- 58°FDec 18, 1917
- Record low
- -37°FDec 30, 1968
- Chance of a freeze
- 100%
- Daylight
- 8 h 39 min to 8 h 26 min
- Cloud cover
- 73%
- Humidity
- 97%
- Dew point
- 20°F
- Wind
- 4.3 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 | 35°F | 26°F | 54°F 1925 | 2°F 1931 | 58% | 31% |
| Dec 2 | 35°F | 26°F | 56°F 2021 | 4°F 1931 | 58% | 32% |
| Dec 3 | 35°F | 25°F | 54°F 1918 | 3°F 1919 | 58% | 33% |
| Dec 4 | 34°F | 25°F | 54°F 1923 | -7°F 1928 | 58% | 33% |
| Dec 5 | 34°F | 25°F | 51°F 1918 | -3°F 1928 | 58% | 34% |
| Dec 6 | 34°F | 25°F | 50°F 1939 | -1°F 1992 | 58% | 35% |
| Dec 7 | 34°F | 24°F | 47°F 1918 | -2°F 2005 | 58% | 35% |
| Dec 8 | 33°F | 24°F | 55°F 1938 | -10°F 1972 | 58% | 36% |
| Dec 9 | 33°F | 24°F | 53°F 2015 | -8°F 1919 | 58% | 36% |
| Dec 10 | 33°F | 24°F | 52°F 1956 | -7°F 1972 | 58% | 37% |
| Dec 11 | 33°F | 23°F | 53°F 2025 | -6°F 1932 | 58% | 38% |
| Dec 12 | 32°F | 23°F | 55°F 1921 | -25°F 1922 | 58% | 38% |
| Dec 13 | 32°F | 23°F | 53°F 1921 | -14°F 1922 | 58% | 39% |
| Dec 14 | 32°F | 23°F | 52°F 1924 | -14°F 1922 | 59% | 39% |
| Dec 15 | 32°F | 23°F | 50°F 2002 | -17°F 1922 | 58% | 40% |
| Dec 16 | 32°F | 23°F | 57°F 2025 | -19°F 1922 | 58% | 40% |
| Dec 17 | 32°F | 22°F | 50°F 2025 | -24°F 1922 | 58% | 40% |
| Dec 18 | 32°F | 22°F | 58°F 1917 | -15°F 1924 | 58% | 40% |
| Dec 19 | 31°F | 22°F | 56°F 1917 | -9°F 1921 | 58% | 41% |
| Dec 20 | 31°F | 22°F | 52°F 1936 | -8°F 1924 | 58% | 41% |
| Dec 21 | 31°F | 22°F | 56°F 1933 | -7°F 1990 | 58% | 41% |
| Dec 22 | 31°F | 22°F | 57°F 1933 | -11°F 1990 | 58% | 41% |
| Dec 23 | 31°F | 22°F | 50°F 1933 | -16°F 1990 | 58% | 41% |
| Dec 24 | 31°F | 22°F | 50°F 1919 | -11°F 1924 | 58% | 41% |
| Dec 25 | 31°F | 22°F | 51°F 1980 | -11°F 1924 | 58% | 42% |
| Dec 26 | 31°F | 22°F | 53°F 1980 | -19°F 1916 | 59% | 42% |
| Dec 27 | 31°F | 22°F | 55°F 1980 | -21°F 1916 | 59% | 42% |
| Dec 28 | 31°F | 22°F | 52°F 1980 | -11°F 1968 | 59% | 42% |
| Dec 29 | 31°F | 22°F | 51°F 1917 | -29°F 1968 | 59% | 42% |
| Dec 30 | 31°F | 22°F | 49°F 1917 | -37°F 1968 | 59% | 42% |
| Dec 31 | 31°F | 22°F | 46°F 1963 | -25°F 1968 | 59% | 43% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 7:14 AM, sunset 3:53 PM
- December 31
- sunrise 7:35 AM, sunset 4:01 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00244084 (Heron 2 Nw), public domain. Records: NOAA GHCN-Daily, station USC00108137, 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.