Hayden Weather in December
Average highs run from 37°F on December 1 to 29°F on December 31, and lows from 14°F to 7°F. Normal precipitation for the month is 1.66 in over about 11 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
- 31°F
- Average low
- 10°F
- Precipitation
- 1.66 in
- Snowfall
- 23.8 in
- Record high
- 66°FDec 3, 1941
- Record low
- -41°FDec 13, 1932
- Chance of a freeze
- 100%
- Daylight
- 9 h 30 min to 9 h 20 min
- Cloud cover
- 64%
- Humidity
- 79%
- Dew point
- 13°F
- Wind
- 8.7 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 | 37°F | 14°F | 58°F 1998 | -15°F 1991 | 33% | 31% |
| Dec 2 | 36°F | 13°F | 60°F 2021 | -15°F 1967 | 34% | 31% |
| Dec 3 | 36°F | 13°F | 66°F 1941 | -7°F 2009 | 34% | 32% |
| Dec 4 | 35°F | 13°F | 60°F 1939 | -18°F 1927 | 34% | 32% |
| Dec 5 | 35°F | 12°F | 64°F 1939 | -21°F 2013 | 34% | 32% |
| Dec 6 | 34°F | 12°F | 64°F 1939 | -23°F 1972 | 34% | 33% |
| Dec 7 | 34°F | 11°F | 58°F 1939 | -21°F 2005 | 35% | 33% |
| Dec 8 | 33°F | 11°F | 61°F 1940 | -26°F 1978 | 35% | 33% |
| Dec 9 | 33°F | 11°F | 62°F 1939 | -25°F 1951 | 35% | 34% |
| Dec 10 | 32°F | 11°F | 63°F 1939 | -25°F 1923 | 35% | 34% |
| Dec 11 | 32°F | 10°F | 61°F 1939 | -21°F 1923 | 35% | 34% |
| Dec 12 | 32°F | 10°F | 57°F 1921 | -30°F 1932 | 35% | 34% |
| Dec 13 | 31°F | 10°F | 55°F 1929 | -41°F 1932 | 35% | 35% |
| Dec 14 | 31°F | 9°F | 54°F 1929 | -32°F 1932 | 35% | 35% |
| Dec 15 | 31°F | 9°F | 58°F 1929 | -29°F 1932 | 36% | 35% |
| Dec 16 | 31°F | 9°F | 59°F 1939 | -24°F 1931 | 36% | 35% |
| Dec 17 | 30°F | 9°F | 58°F 1980 | -21°F 1933 | 36% | 35% |
| Dec 18 | 30°F | 9°F | 61°F 1980 | -33°F 1927 | 36% | 36% |
| Dec 19 | 30°F | 8°F | 57°F 2025 | -25°F 1945 | 36% | 36% |
| Dec 20 | 30°F | 8°F | 52°F 1980 | -19°F 1927 | 36% | 36% |
| Dec 21 | 30°F | 8°F | 49°F 1941 | -22°F 1990 | 36% | 36% |
| Dec 22 | 29°F | 8°F | 60°F 2025 | -29°F 1990 | 36% | 36% |
| Dec 23 | 29°F | 8°F | 61°F 2025 | -33°F 1990 | 36% | 36% |
| Dec 24 | 29°F | 8°F | 62°F 2025 | -25°F 1952 | 36% | 36% |
| Dec 25 | 29°F | 8°F | 57°F 2025 | -25°F 1962 | 36% | 36% |
| Dec 26 | 29°F | 8°F | 52°F 1980 | -30°F 1962 | 37% | 36% |
| Dec 27 | 29°F | 8°F | 58°F 1980 | -27°F 1961 | 37% | 36% |
| Dec 28 | 29°F | 7°F | 53°F 1980 | -24°F 2015 | 37% | 37% |
| Dec 29 | 29°F | 7°F | 55°F 1980 | -27°F 1969 | 37% | 37% |
| Dec 30 | 29°F | 7°F | 55°F 1980 | -19°F 1990 | 37% | 37% |
| Dec 31 | 29°F | 7°F | 58°F 1980 | -29°F 1927 | 37% | 37% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:13 AM, sunset 4:43 PM
- December 31
- sunrise 7:32 AM, sunset 4:52 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00053867 (Hayden), public domain. Records: NOAA GHCN-Daily, station USC00053867, 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.