Seaside weather in December: Seaside, Oregon: normal highs, lows, rain and records for December
Seaside in December has a normal high of 51°F and a normal low of 39°F, a daily mean of 45°F, holding near 51°F all month. Measurable precipitation falls on 22 days in a normal December, 11.42 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 11°C and low of 4°C, 290 mm of precipitation in December.
- NOAA stationSeaside
- Station IDUSC00357641
- Location45.99°N 123.92°W
- Elevation10 ft (3 m)
- Population7,110
- Jan 52° 39°
- Feb 53° 38°
- Mar 54° 40°
- Apr 56° 42°
- May 60° 46°
- Jun 62° 50°
- Jul 65° 53°
- Aug 66° 54°
- Sep 67° 50°
- Oct 62° 46°
- Nov 55° 42°
- Dec 51° 39°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Seaside in December?
The normal high is 51°F and the normal low 39°F, for a daily mean of 44.8°F. December is 3.6°F cooler than November and 0.8°F cooler than January. December is the 12th warmest month of the year in Seaside and the 2nd wettest. Across the month the normal high falls 1°F, from 52°F on December 1 to 51°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 43°F and 47°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 71%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 52°F | 39°F | 70% | 55% |
| December 8 | 52°F | 39°F | 70% | 56% |
| December 15 | 51°F | 38°F | 71% | 56% |
| December 22 | 51°F | 38°F | 70% | 56% |
| December 31 | 51°F | 39°F | 70% | 56% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 13)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 52°F | 39°F | 70% | 55% | 9 h |
| December 2 | 52°F | 39°F | 70% | 55% | 9 h |
| December 3 | 52°F | 39°F | 70% | 55% | 8 h 50 min |
| December 4 | 52°F | 39°F | 70% | 55% | 8 h 50 min |
| December 5 | 52°F | 39°F | 70% | 55% | 8 h 50 min |
| December 6 | 52°F | 39°F | 70% | 56% | 8 h 50 min |
| December 7 | 52°F | 39°F | 70% | 56% | 8 h 50 min |
| December 8 | 52°F | 39°F | 70% | 56% | 8 h 50 min |
| December 9 | 51°F | 39°F | 70% | 56% | 8 h 50 min |
| December 10 | 51°F | 38°F | 70% | 56% | 8 h 40 min |
| December 11 | 51°F | 38°F | 71% | 56% | 8 h 40 min |
| December 12 | 51°F | 38°F | 71% | 56% | 8 h 40 min |
| December 13 | 51°F | 38°F | 71% | 56% | 8 h 40 min |
| December 14 | 51°F | 38°F | 71% | 56% | 8 h 40 min |
| December 15 | 51°F | 38°F | 71% | 56% | 8 h 40 min |
| December 16 | 51°F | 38°F | 71% | 56% | 8 h 40 min |
| December 17 | 51°F | 38°F | 71% | 56% | 8 h 40 min |
| December 18 | 51°F | 38°F | 71% | 56% | 8 h 40 min |
| December 19 | 51°F | 38°F | 71% | 56% | 8 h 40 min |
| December 20 | 51°F | 38°F | 71% | 56% | 8 h 40 min |
| December 21 | 51°F | 38°F | 70% | 56% | 8 h 40 min |
| December 22 | 51°F | 38°F | 70% | 56% | 8 h 40 min |
| December 23 | 51°F | 38°F | 70% | 56% | 8 h 40 min |
| December 24 | 51°F | 38°F | 70% | 56% | 8 h 40 min |
| December 25 | 51°F | 38°F | 70% | 56% | 8 h 40 min |
| December 26 | 51°F | 39°F | 70% | 56% | 8 h 40 min |
| December 27 | 51°F | 39°F | 70% | 56% | 8 h 40 min |
| December 28 | 51°F | 39°F | 70% | 56% | 8 h 40 min |
| December 29 | 51°F | 39°F | 70% | 56% | 8 h 40 min |
| December 30 | 51°F | 39°F | 70% | 56% | 8 h 40 min |
| December 31 | 51°F | 39°F | 70% | 56% | 8 h 40 min |
- Normal high
- 51°FDecember average
- Normal low
- 39°FDecember average
- Precipitation
- 11.42 inmonth total
- Days with precipitation
- 220.01 inch or more
- Nights at 32°F or colder
- 6
- Daylight
- 9 h to 8 h 40 minDecember 1 to December 31
- Sunshine
- 52%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00357641; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Seaside in December?
On a given December day the chance of 0.01 inch or more is 70% on average, highest around December 13 (71%). In all, 11.42 in falls on 22 days of a normal December, 4 of them with an inch or more.
In a normal December in Seaside, 6 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00357641.
What are the records for December in Seaside?
The warmest December temperature on this station's record (since 1930) is 69°F, on December 13, 1944; the coldest is 5°F, on December 8, 1972. The wettest December brought 46.51 in (1933); the snowiest, 6.0 inches (1964).
Source: records: ACIS, station USC00357641. Records and recent months use complete months only.
How does December in Seaside 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; Seaside's is 51°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.