Coos County Weather in December
Average highs run from 55°F on December 1 to 53°F on December 31, and lows from 38°F to 36°F. Normal precipitation for the month is 10.01 in over about 20 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
- 54°F
- Average low
- 36°F
- Precipitation
- 10.01 in
- Snowfall
- 0.1 in
- Record high
- 70°FDec 15, 1980
- Record low
- 13°FDec 21, 1990
- Chance of a freeze
- 93%
- Daylight
- 9 h 13 min to 9 h 03 min
- Cloud cover
- 77%
- Humidity
- 93%
- Dew point
- 38°F
- Wind
- 4.9 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 | 55°F | 38°F | 65°F 1926 | 28°F 1923 | 67% | 0% |
| Dec 2 | 55°F | 37°F | 67°F 1907 | 28°F 1913 | 67% | 0% |
| Dec 3 | 55°F | 37°F | 67°F 1979 | 26°F 1919 | 67% | 0% |
| Dec 4 | 55°F | 37°F | 68°F 1949 | 25°F 2013 | 67% | 0% |
| Dec 5 | 54°F | 37°F | 65°F 2000 | 23°F 1972 | 67% | 0% |
| Dec 6 | 54°F | 37°F | 69°F 1934 | 25°F 2009 | 67% | 0% |
| Dec 7 | 54°F | 37°F | 66°F 1925 | 20°F 1972 | 67% | 0% |
| Dec 8 | 54°F | 37°F | 66°F 1912 | 15°F 1972 | 67% | 0% |
| Dec 9 | 54°F | 37°F | 65°F 1993 | 17°F 1932 | 67% | 0% |
| Dec 10 | 54°F | 37°F | 66°F 2014 | 17°F 1932 | 67% | 0% |
| Dec 11 | 54°F | 36°F | 69°F 1937 | 19°F 1972 | 67% | 0% |
| Dec 12 | 54°F | 36°F | 66°F 1966 | 21°F 1919 | 67% | 0% |
| Dec 13 | 53°F | 36°F | 67°F 1969 | 19°F 1919 | 67% | 0% |
| Dec 14 | 53°F | 36°F | 67°F 1962 | 19°F 1919 | 67% | 0% |
| Dec 15 | 53°F | 36°F | 70°F 1980 | 20°F 1921 | 66% | 0% |
| Dec 16 | 53°F | 36°F | 65°F 1980 | 24°F 1922 | 66% | 0% |
| Dec 17 | 53°F | 36°F | 67°F 1979 | 18°F 1924 | 66% | 0% |
| Dec 18 | 53°F | 36°F | 66°F 2004 | 17°F 1924 | 66% | 0% |
| Dec 19 | 53°F | 36°F | 64°F 1940 | 23°F 1924 | 66% | 0% |
| Dec 20 | 53°F | 36°F | 65°F 1994 | 15°F 1990 | 66% | 0% |
| Dec 21 | 53°F | 36°F | 68°F 1940 | 13°F 1990 | 66% | 0% |
| Dec 22 | 53°F | 36°F | 67°F 1999 | 17°F 1990 | 66% | 0% |
| Dec 23 | 53°F | 36°F | 66°F 1919 | 20°F 1924 | 66% | 0% |
| Dec 24 | 53°F | 36°F | 65°F 1985 | 18°F 1924 | 66% | 0% |
| Dec 25 | 53°F | 36°F | 65°F 1980 | 17°F 1924 | 66% | 0% |
| Dec 26 | 53°F | 36°F | 69°F 1980 | 17°F 1924 | 66% | 0% |
| Dec 27 | 53°F | 36°F | 69°F 1917 | 27°F 1930 | 66% | 0% |
| Dec 28 | 53°F | 36°F | 65°F 1917 | 27°F 1978 | 66% | 0% |
| Dec 29 | 53°F | 36°F | 69°F 1917 | 22°F 1978 | 66% | 0% |
| Dec 30 | 53°F | 36°F | 66°F 1963 | 22°F 1978 | 66% | 0% |
| Dec 31 | 53°F | 36°F | 66°F 1996 | 22°F 1918 | 66% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 7:29 AM, sunset 4:42 PM
- December 31
- sunrise 7:48 AM, sunset 4:51 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00351836 (Coquille City), public domain. Records: NOAA GHCN-Daily, station USW00024284, 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.