Willamina Weather in December
Average highs run from 43°F on December 1 to 42°F on December 31, and lows from 32°F to 31°F. Normal precipitation for the month is 23.27 in over about 19 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
- 42°F
- Average low
- 31°F
- Precipitation
- 23.27 in
- Snowfall
- 1.0 in
- Record high
- 72°FDec 28, 1998
- Record low
- 7°FDec 9, 2009
- Chance of a freeze
- 100%
- Daylight
- 9 h 01 min to 8 h 50 min
- Cloud cover
- 78%
- Humidity
- 93%
- Dew point
- 39°F
- Wind
- 6.7 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 | 43°F | 32°F | 59°F 2021 | 24°F 2024 | 63% | 1% |
| Dec 2 | 43°F | 32°F | 59°F 2021 | 27°F 2022 | 63% | 1% |
| Dec 3 | 43°F | 31°F | 59°F 2007 | 25°F 2002 | 63% | 1% |
| Dec 4 | 43°F | 31°F | 63°F 2023 | 21°F 2009 | 63% | 1% |
| Dec 5 | 42°F | 31°F | 61°F 2023 | 17°F 2013 | 63% | 1% |
| Dec 6 | 42°F | 31°F | 57°F 2014 | 25°F 2008 | 63% | 1% |
| Dec 7 | 42°F | 31°F | 63°F 2015 | 15°F 2013 | 63% | 1% |
| Dec 8 | 42°F | 31°F | 62°F 2015 | 9°F 2013 | 63% | 1% |
| Dec 9 | 42°F | 31°F | 62°F 2014 | 7°F 2009 | 63% | 1% |
| Dec 10 | 42°F | 31°F | 63°F 2014 | 7°F 2009 | 63% | 1% |
| Dec 11 | 42°F | 31°F | 58°F 2010 | 9°F 2009 | 63% | 1% |
| Dec 12 | 41°F | 30°F | 61°F 1998 | 24°F 2017 | 63% | 1% |
| Dec 13 | 41°F | 30°F | 59°F 2010 | 27°F 2005 | 63% | 1% |
| Dec 14 | 41°F | 30°F | 59°F 2006 | 22°F 2008 | 63% | 1% |
| Dec 15 | 41°F | 30°F | 53°F 2023 | 20°F 2008 | 63% | 1% |
| Dec 16 | 41°F | 30°F | 56°F 2000 | 11°F 2008 | 62% | 1% |
| Dec 17 | 41°F | 30°F | 58°F 2024 | 14°F 2008 | 62% | 1% |
| Dec 18 | 41°F | 30°F | 58°F 2024 | 24°F 2016 | 62% | 1% |
| Dec 19 | 41°F | 30°F | 57°F 2019 | 19°F 2008 | 62% | 1% |
| Dec 20 | 41°F | 30°F | 58°F 2009 | 16°F 1998 | 62% | 1% |
| Dec 21 | 41°F | 30°F | 61°F 2020 | 16°F 1998 | 62% | 1% |
| Dec 22 | 41°F | 30°F | 57°F 1999 | 16°F 1998 | 61% | 1% |
| Dec 23 | 41°F | 30°F | 55°F 2014 | 13°F 1998 | 61% | 1% |
| Dec 24 | 41°F | 30°F | 57°F 2005 | 25°F 1998 | 61% | 1% |
| Dec 25 | 41°F | 30°F | 64°F 1998 | 24°F 2009 | 61% | 1% |
| Dec 26 | 41°F | 30°F | 71°F 1998 | 22°F 2008 | 61% | 1% |
| Dec 27 | 41°F | 30°F | 68°F 1998 | 21°F 2021 | 61% | 1% |
| Dec 28 | 41°F | 30°F | 72°F 1998 | 22°F 2009 | 61% | 1% |
| Dec 29 | 42°F | 30°F | 72°F 1998 | 23°F 2009 | 61% | 1% |
| Dec 30 | 42°F | 31°F | 68°F 1998 | 24°F 2003 | 61% | 1% |
| Dec 31 | 42°F | 31°F | 59°F 2023 | 23°F 2014 | 61% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 7:32 AM, sunset 4:33 PM
- December 31
- sunrise 7:52 AM, sunset 4:42 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00354776 (Laurel Mtn), public domain. Records: NOAA GHCN-Daily, station USW00094273, 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.