Mullan Weather in December
Average highs run from 35°F on December 1 to 32°F on December 31, and lows from 24°F to 22°F. Normal precipitation for the month is 3.80 in.
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
- 22°F
- Precipitation
- 3.80 in
- Snowfall
- 22.7 in
- Record high
- 46°FDec 10, 2014
- Record low
- -21°FDec 22, 2022
- Chance of a freeze
- 100%
- Daylight
- 8 h 44 min to 8 h 31 min
- Cloud cover
- 74%
- Humidity
- 96%
- Dew point
- 22°F
- Wind
- 4.5 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 | 24°F | 44°F 2021 | 4°F 2014 | 22% | |
| Dec 2 | 35°F | 24°F | 43°F 2021 | 7°F 2013 | 22% | |
| Dec 3 | 34°F | 24°F | 40°F 1941 | -3°F 2013 | 23% | |
| Dec 4 | 34°F | 24°F | 39°F 2024 | -3°F 2013 | 23% | |
| Dec 5 | 34°F | 23°F | 42°F 2020 | -8°F 1956 | 24% | |
| Dec 6 | 34°F | 23°F | 40°F 2023 | -12°F 2009 | 24% | |
| Dec 7 | 33°F | 23°F | 39°F 1938 | -13°F 2009 | 25% | |
| Dec 8 | 33°F | 23°F | 45°F 2020 | -12°F 2009 | 25% | |
| Dec 9 | 33°F | 23°F | 42°F 1957 | -9°F 2009 | 26% | |
| Dec 10 | 32°F | 22°F | 46°F 2014 | 2°F 2009 | 26% | |
| Dec 11 | 32°F | 22°F | 46°F 2017 | 1°F 2000 | 27% | |
| Dec 12 | 32°F | 22°F | 42°F 2014 | -1°F 2000 | 27% | |
| Dec 13 | 32°F | 22°F | 40°F 1952 | -11°F 2008 | 28% | |
| Dec 14 | 32°F | 22°F | 45°F 1952 | -14°F 2008 | 28% | |
| Dec 15 | 32°F | 22°F | 41°F 1952 | -13°F 2008 | 29% | |
| Dec 16 | 31°F | 22°F | 38°F 1941 | -8°F 2008 | 29% | |
| Dec 17 | 31°F | 22°F | 38°F 1943 | -8°F 2016 | 30% | |
| Dec 18 | 31°F | 22°F | 41°F 1954 | -9°F 1998 | 30% | |
| Dec 19 | 31°F | 21°F | 40°F 1954 | -17°F 1998 | 30% | |
| Dec 20 | 31°F | 21°F | 40°F 2003 | -20°F 1998 | 31% | |
| Dec 21 | 31°F | 21°F | 41°F 2024 | -17°F 2022 | 31% | |
| Dec 22 | 31°F | 21°F | 41°F 1940 | -21°F 2022 | 31% | |
| Dec 23 | 31°F | 21°F | 38°F 1950 | -13°F 2022 | 32% | |
| Dec 24 | 31°F | 21°F | 40°F 1950 | -6°F 1948 | 32% | |
| Dec 25 | 31°F | 21°F | 42°F 1947 | 1°F 1996 | 32% | |
| Dec 26 | 31°F | 21°F | 43°F 1947 | -1°F 1996 | 32% | |
| Dec 27 | 32°F | 21°F | 43°F 1999 | 1°F 2025 | 32% | |
| Dec 28 | 32°F | 21°F | 44°F 1956 | 0°F 1946 | 32% | |
| Dec 29 | 32°F | 22°F | 46°F 1956 | -5°F 2014 | 32% | |
| Dec 30 | 32°F | 22°F | 45°F 2023 | -8°F 2014 | 32% | |
| Dec 31 | 32°F | 22°F | 38°F 1996 | -14°F 1941 | 32% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 7:10 AM, sunset 3:54 PM
- December 31
- sunrise 7:31 AM, sunset 4:02 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00106230 (Mullan), public domain. Records: NOAA GHCN-Daily, station USW00024154, 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.