Oregon City weather in December: Oregon City, Oregon: normal highs, lows, rain and records for December
Oregon City in December has a normal high of 47°F and a normal low of 36°F, a daily mean of 42°F, falling from 49°F on the 1st to 47°F by the 31st. The month brings 7.20 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 8°C and low of 2°C, 183 mm of precipitation in December.
- NOAA stationOregon City
- Station IDUSC00356334
- Location45.36°N 122.60°W
- Elevation167 ft (51 m)
- Population38,327
- Jan 48° 37°
- Feb 53° 38°
- Mar 58° 40°
- Apr 64° 43°
- May 71° 48°
- Jun 76° 53°
- Jul 84° 57°
- Aug 84° 58°
- Sep 78° 53°
- Oct 65° 47°
- Nov 53° 41°
- Dec 47° 36°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Oregon City in December?
The normal high is 47°F and the normal low 36°F, for a daily mean of 41.8°F. December is 5.2°F cooler than November and 0.7°F cooler than January. December is the 12th warmest month of the year in Oregon City and the wettest. Across the month the normal high falls 2°F, from 49°F on December 1 to 47°F on December 31. From one year to the next December's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 40°F and 44°F.
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 49°F | 38°F | – | – |
| December 8 | 48°F | 37°F | – | – |
| December 15 | 47°F | 36°F | – | – |
| December 22 | 47°F | 36°F | – | – |
| December 31 | 47°F | 36°F | – | – |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 23)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 49°F | 38°F | – | – | 9 h |
| December 2 | 49°F | 38°F | – | – | 9 h |
| December 3 | 49°F | 37°F | – | – | 9 h |
| December 4 | 49°F | 37°F | – | – | 9 h |
| December 5 | 49°F | 37°F | – | – | 9 h |
| December 6 | 48°F | 37°F | – | – | 8 h 50 min |
| December 7 | 48°F | 37°F | – | – | 8 h 50 min |
| December 8 | 48°F | 37°F | – | – | 8 h 50 min |
| December 9 | 48°F | 37°F | – | – | 8 h 50 min |
| December 10 | 48°F | 37°F | – | – | 8 h 50 min |
| December 11 | 48°F | 36°F | – | – | 8 h 50 min |
| December 12 | 47°F | 36°F | – | – | 8 h 50 min |
| December 13 | 47°F | 36°F | – | – | 8 h 50 min |
| December 14 | 47°F | 36°F | – | – | 8 h 50 min |
| December 15 | 47°F | 36°F | – | – | 8 h 50 min |
| December 16 | 47°F | 36°F | – | – | 8 h 40 min |
| December 17 | 47°F | 36°F | – | – | 8 h 40 min |
| December 18 | 47°F | 36°F | – | – | 8 h 40 min |
| December 19 | 47°F | 36°F | – | – | 8 h 40 min |
| December 20 | 47°F | 36°F | – | – | 8 h 40 min |
| December 21 | 47°F | 36°F | – | – | 8 h 40 min |
| December 22 | 47°F | 36°F | – | – | 8 h 40 min |
| December 23 | 47°F | 36°F | – | – | 8 h 40 min |
| December 24 | 47°F | 36°F | – | – | 8 h 40 min |
| December 25 | 47°F | 36°F | – | – | 8 h 40 min |
| December 26 | 47°F | 36°F | – | – | 8 h 40 min |
| December 27 | 47°F | 36°F | – | – | 8 h 40 min |
| December 28 | 47°F | 36°F | – | – | 8 h 40 min |
| December 29 | 47°F | 36°F | – | – | 8 h 50 min |
| December 30 | 47°F | 36°F | – | – | 8 h 50 min |
| December 31 | 47°F | 36°F | – | – | 8 h 50 min |
- Normal high
- 47°FDecember average
- Normal low
- 36°FDecember average
- Precipitation
- 7.20 inmonth total
- Nights at 32°F or colder
- 8
- Daylight
- 9 h to 8 h 50 minDecember 1 to December 31
- Sunshine
- 52%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00356334; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Oregon City in December?
In a normal December in Oregon City, 8 nights fall to freezing and 1 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00356334.
What are the records for December in Oregon City?
The warmest December temperature on this station's record (since 1948) is 68°F, on December 11, 1993; the coldest is 6°F, on December 17, 1964. The wettest December brought 18.71 in (1917); the snowiest, 15.3 inches (2008).
The December mean against the 1991-2020 normal of 41.8°F: 2023 45.4°F (+3.6). 1 of 1 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2023 | 45.4°F | +3.6°F | 8.26 in |
Source: records: ACIS, station USC00356334; recent months: ACIS, station USC00356334. Records and recent months use complete months only.
How does December in Oregon City compare across Oregon?
Across the 105 places PlainClimate covers in Oregon, December normal highs run from 33°F in Halfway to 55°F in Bandon; Oregon City's is 47°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.