Clatsop County Weather in December
Average highs run from 52°F on December 1 to 51°F on December 31, and lows from 39°F to 39°F. Normal precipitation for the month is 11.42 in over about 22 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
- 51°F
- Average low
- 39°F
- Precipitation
- 11.42 in
- Record high
- 65°FDec 20, 2024
- Record low
- 6°FDec 8, 1972
- Chance of a freeze
- 93%
- Daylight
- 8 h 54 min to 8 h 42 min
- Cloud cover
- 76%
- Humidity
- 91%
- Dew point
- 39°F
- Wind
- 8.5 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 52°F | 39°F | 62°F 1958 | 22°F 1985 | 70% |
| Dec 2 | 52°F | 39°F | 60°F 1958 | 27°F 1976 | 70% |
| Dec 3 | 52°F | 39°F | 63°F 1979 | 27°F 2013 | 70% |
| Dec 4 | 52°F | 39°F | 60°F 1981 | 23°F 2013 | 70% |
| Dec 5 | 52°F | 39°F | 61°F 2020 | 22°F 2013 | 70% |
| Dec 6 | 52°F | 39°F | 57°F 1987 | 16°F 1972 | 70% |
| Dec 7 | 52°F | 39°F | 59°F 2015 | 10°F 1972 | 70% |
| Dec 8 | 52°F | 39°F | 62°F 2014 | 6°F 1972 | 70% |
| Dec 9 | 51°F | 39°F | 61°F 1981 | 16°F 2009 | 70% |
| Dec 10 | 51°F | 38°F | 63°F 1995 | 15°F 1972 | 70% |
| Dec 11 | 51°F | 38°F | 63°F 2014 | 20°F 2009 | 71% |
| Dec 12 | 51°F | 38°F | 61°F 2002 | 12°F 1972 | 71% |
| Dec 13 | 51°F | 38°F | 59°F 1969 | 11°F 1972 | 71% |
| Dec 14 | 51°F | 38°F | 63°F 2018 | 25°F 1967 | 71% |
| Dec 15 | 51°F | 38°F | 62°F 1980 | 24°F 1965 | 71% |
| Dec 16 | 51°F | 38°F | 61°F 1980 | 15°F 1964 | 71% |
| Dec 17 | 51°F | 38°F | 60°F 1979 | 15°F 1964 | 71% |
| Dec 18 | 51°F | 38°F | 61°F 1981 | 25°F 1964 | 71% |
| Dec 19 | 51°F | 38°F | 63°F 2024 | 21°F 1990 | 71% |
| Dec 20 | 51°F | 38°F | 65°F 2024 | 9°F 1990 | 71% |
| Dec 21 | 51°F | 38°F | 62°F 2024 | 6°F 1990 | 70% |
| Dec 22 | 51°F | 38°F | 59°F 1999 | 15°F 1983 | 70% |
| Dec 23 | 51°F | 38°F | 61°F 2005 | 13°F 1983 | 70% |
| Dec 24 | 51°F | 38°F | 63°F 1963 | 18°F 1983 | 70% |
| Dec 25 | 51°F | 38°F | 63°F 1980 | 24°F 1987 | 70% |
| Dec 26 | 51°F | 39°F | 64°F 1980 | 24°F 1985 | 70% |
| Dec 27 | 51°F | 39°F | 58°F 1979 | 23°F 1985 | 70% |
| Dec 28 | 51°F | 39°F | 60°F 1980 | 18°F 1978 | 70% |
| Dec 29 | 51°F | 39°F | 58°F 2023 | 16°F 1990 | 70% |
| Dec 30 | 51°F | 39°F | 60°F 1963 | 19°F 1968 | 70% |
| Dec 31 | 51°F | 39°F | 61°F 1996 | 11°F 1978 | 70% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 7:37 AM, sunset 4:31 PM
- December 31
- sunrise 7:57 AM, sunset 4:39 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00357641 (Seaside), public domain. Records: NOAA GHCN-Daily, station USW00094224, 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.