Port Townsend weather in December: Port Townsend, Washington: normal highs, lows, rain and records for December
Port Townsend in December has a normal high of 45°F and a normal low of 38°F, a daily mean of 42°F, falling from 47°F on the 1st to 45°F by the 31st. Measurable precipitation falls on 16 days in a normal December, 2.58 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 7°C and low of 4°C, 66 mm of precipitation and 1 cm of snow in December.
- NOAA stationPort Townsend
- Station IDUSC00456678
- Location48.12°N 122.76°W
- Elevation100 ft (31 m)
- Population10,649
- Jan 46° 38°
- Feb 49° 38°
- Mar 52° 40°
- Apr 58° 43°
- May 63° 47°
- Jun 68° 51°
- Jul 73° 53°
- Aug 73° 54°
- Sep 68° 51°
- Oct 58° 46°
- Nov 50° 41°
- Dec 45° 38°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Port Townsend in December?
The normal high is 45°F and the normal low 38°F, for a daily mean of 41.8°F. December is 3.9°F cooler than November and 0.6°F cooler than January. December is the 12th warmest month of the year in Port Townsend and the wettest, and the snowiest. Across the month the normal high falls 2°F, from 47°F on December 1 to 45°F on December 31. From one year to the next December's mean temperature typically moves about 1.5°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 40°F and 43°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 57%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 47°F | 39°F | 57% | 25% |
| December 8 | 46°F | 39°F | 56% | 25% |
| December 15 | 45°F | 38°F | 54% | 25% |
| December 22 | 45°F | 38°F | 52% | 25% |
| December 31 | 45°F | 38°F | 52% | 25% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 20)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 47°F | 39°F | 57% | 25% | 8 h 40 min |
| December 2 | 47°F | 39°F | 57% | 25% | 8 h 40 min |
| December 3 | 47°F | 39°F | 57% | 25% | 8 h 40 min |
| December 4 | 46°F | 39°F | 56% | 25% | 8 h 40 min |
| December 5 | 46°F | 39°F | 56% | 25% | 8 h 30 min |
| December 6 | 46°F | 39°F | 56% | 25% | 8 h 30 min |
| December 7 | 46°F | 39°F | 56% | 25% | 8 h 30 min |
| December 8 | 46°F | 39°F | 56% | 25% | 8 h 30 min |
| December 9 | 46°F | 39°F | 56% | 26% | 8 h 30 min |
| December 10 | 46°F | 39°F | 56% | 26% | 8 h 30 min |
| December 11 | 45°F | 38°F | 55% | 26% | 8 h 30 min |
| December 12 | 45°F | 38°F | 55% | 26% | 8 h 30 min |
| December 13 | 45°F | 38°F | 55% | 26% | 8 h 30 min |
| December 14 | 45°F | 38°F | 55% | 25% | 8 h 20 min |
| December 15 | 45°F | 38°F | 54% | 25% | 8 h 20 min |
| December 16 | 45°F | 38°F | 54% | 25% | 8 h 20 min |
| December 17 | 45°F | 38°F | 54% | 25% | 8 h 20 min |
| December 18 | 45°F | 38°F | 53% | 25% | 8 h 20 min |
| December 19 | 45°F | 38°F | 53% | 25% | 8 h 20 min |
| December 20 | 45°F | 38°F | 53% | 25% | 8 h 20 min |
| December 21 | 45°F | 38°F | 52% | 25% | 8 h 20 min |
| December 22 | 45°F | 38°F | 52% | 25% | 8 h 20 min |
| December 23 | 45°F | 38°F | 52% | 25% | 8 h 20 min |
| December 24 | 45°F | 38°F | 52% | 25% | 8 h 20 min |
| December 25 | 45°F | 38°F | 52% | 25% | 8 h 20 min |
| December 26 | 45°F | 38°F | 52% | 25% | 8 h 20 min |
| December 27 | 45°F | 38°F | 52% | 25% | 8 h 20 min |
| December 28 | 45°F | 38°F | 52% | 25% | 8 h 20 min |
| December 29 | 45°F | 38°F | 52% | 25% | 8 h 20 min |
| December 30 | 45°F | 38°F | 52% | 25% | 8 h 20 min |
| December 31 | 45°F | 38°F | 52% | 25% | 8 h 20 min |
- Normal high
- 45°FDecember average
- Normal low
- 38°FDecember average
- Precipitation
- 2.58 inmonth total
- Days with precipitation
- 160.01 inch or more
- Snowfall
- 0.4 inmonth total
- Nights at 32°F or colder
- 4
- Daylight
- 8 h 40 min to 8 h 20 minDecember 1 to December 31
- Sunshine
- 51%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00456678; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Port Townsend in December?
On a given December day the chance of 0.01 inch or more is 54% on average, highest around December 1 (57%). In all, 2.58 in falls on 16 days of a normal December.
In a normal December in Port Townsend, 4 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 0.4 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00456678.
What are the records for December in Port Townsend?
The warmest December temperature on this station's record (since 1891) is 65°F, on December 4, 1947; the coldest is 5°F, on December 16, 1964. The wettest December brought 6.73 in (1933); the snowiest, 19.5 inches (1922).
Source: records: ACIS, station USC00456678. Records and recent months use complete months only.
How does December in Port Townsend compare across Washington?
Across the 96 places PlainClimate covers in Washington, December normal highs run from 29°F in Winthrop to 48°F in Grayland; Port Townsend's is 45°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Port Townsend in November50°F by day, 41°F at night
- Port Townsend in January46°F by day, 38°F at night
- Port Townsend through the yearEvery month, frost dates, records and recent years
- Washington in DecemberThe statewide normal and the warmest and coolest places
- Grayland: Washington's warmest Decembernormal high 48°F