Salmon Weather in December
Average highs run from 33°F on December 1 to 27°F on December 31, and lows from 17°F to 10°F. Normal precipitation for the month is 0.73 in over about 7 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
- 29°F
- Average low
- 13°F
- Precipitation
- 0.73 in
- Snowfall
- 6.4 in
- Record high
- 60°FDec 12, 2025
- Record low
- -31°FDec 22, 1990
- Chance of a freeze
- 100%
- Daylight
- 9 h 01 min to 8 h 49 min
- Cloud cover
- 65%
- Humidity
- 90%
- Dew point
- 13°F
- Wind
- 5.8 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 | 33°F | 17°F | 57°F 1995 | -5°F 2015 | 23% | 10% |
| Dec 2 | 32°F | 16°F | 54°F 1972 | -4°F 2015 | 23% | 11% |
| Dec 3 | 32°F | 16°F | 56°F 2021 | -7°F 1984 | 23% | 11% |
| Dec 4 | 32°F | 16°F | 57°F 1979 | -13°F 1992 | 23% | 11% |
| Dec 5 | 31°F | 16°F | 57°F 2021 | -18°F 1992 | 23% | 11% |
| Dec 6 | 31°F | 15°F | 59°F 1987 | -11°F 1992 | 23% | 12% |
| Dec 7 | 31°F | 15°F | 53°F 2023 | -11°F 1972 | 23% | 12% |
| Dec 8 | 30°F | 15°F | 48°F 1979 | -18°F 1971 | 23% | 12% |
| Dec 9 | 30°F | 14°F | 49°F 1996 | -21°F 1972 | 23% | 12% |
| Dec 10 | 30°F | 14°F | 51°F 1979 | -22°F 1972 | 22% | 12% |
| Dec 11 | 29°F | 14°F | 53°F 2004 | -15°F 1972 | 22% | 13% |
| Dec 12 | 29°F | 14°F | 60°F 2025 | -6°F 2005 | 22% | 13% |
| Dec 13 | 29°F | 13°F | 58°F 2025 | -8°F 1970 | 22% | 13% |
| Dec 14 | 29°F | 13°F | 50°F 2025 | -12°F 1972 | 22% | 13% |
| Dec 15 | 29°F | 13°F | 52°F 1979 | -15°F 1972 | 22% | 13% |
| Dec 16 | 28°F | 13°F | 49°F 1982 | -12°F 1978 | 22% | 14% |
| Dec 17 | 28°F | 12°F | 56°F 2025 | -10°F 2016 | 22% | 14% |
| Dec 18 | 28°F | 12°F | 53°F 2025 | -14°F 2016 | 22% | 14% |
| Dec 19 | 28°F | 12°F | 47°F 2024 | -10°F 1984 | 22% | 14% |
| Dec 20 | 28°F | 12°F | 48°F 2025 | -17°F 1990 | 22% | 14% |
| Dec 21 | 28°F | 12°F | 48°F 1974 | -26°F 1990 | 22% | 14% |
| Dec 22 | 28°F | 11°F | 47°F 1972 | -31°F 1990 | 22% | 14% |
| Dec 23 | 27°F | 11°F | 49°F 1972 | -29°F 1983 | 22% | 14% |
| Dec 24 | 27°F | 11°F | 50°F 1978 | -28°F 1983 | 22% | 14% |
| Dec 25 | 27°F | 11°F | 44°F 1979 | -11°F 1990 | 22% | 14% |
| Dec 26 | 27°F | 11°F | 45°F 1980 | -8°F 2001 | 22% | 14% |
| Dec 27 | 27°F | 11°F | 48°F 2025 | -9°F 1983 | 22% | 15% |
| Dec 28 | 27°F | 11°F | 43°F 1968 | -20°F 1971 | 21% | 15% |
| Dec 29 | 27°F | 11°F | 51°F 1996 | -22°F 1978 | 21% | 15% |
| Dec 30 | 27°F | 11°F | 49°F 1996 | -27°F 1978 | 21% | 15% |
| Dec 31 | 27°F | 10°F | 46°F 1996 | -27°F 1978 | 21% | 15% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:54 AM, sunset 4:55 PM
- December 31
- sunrise 8:14 AM, sunset 5:03 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00108080 (Salmon-Ksra), public domain. Records: NOAA GHCN-Daily, station USC00108080, 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.