Cannon Beach, OR weather in December
December in Cannon Beach: chilly, with rain on most days. Highs 49°F, lows 38°F, about 21 days with rain. This is the depth of winter in Cannon Beach. Keep rain gear handy.
- Normal high
- 49°F
- Normal low
- 38°F
- Wet days
- 21
- 19.6 in total
- Muggy days
- 0
- dew point 65°F+
How December changes from start to finish
| December 1 | December 31 | |
|---|---|---|
| Normal high | 50°F | 48°F |
| Normal low | 38°F | 38°F |
| Chance of a wet day | 68% | 68% |
| Sunrise / sunset | 7:36 am / 4:32 pm | 7:57 am / 4:40 pm |
| Daylight | 8.9 h | 8.7 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical December day
- 6 am42°Fdew point 38°F
- 9 am42°Fdew point 38°F
- Noon46°Fdew point 40°F
- 3 pm47°Fdew point 40°F
- 6 pm44°Fdew point 39°F
- 9 pm43°Fdew point 39°F
NOAA hourly normals (local standard time) from Astoria Rgnl Airport (19 mi away); average wind 8 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph0 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow21 of 31
- Notable rainat least 0.10 in18 of 31
- Freezing nightslow 32°F or below7 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per December, counted from daily records for each year 1991-2020.
Rain and snow in December
Normal precipitation is 19.6 in; a dry December brings about 14.6 in and a wet one about 22.4 in (25th and 75th percentiles). About 12 days bring half an inch or more, and about 7 an inch or more. Normal snowfall is 0.2 in.
How December varies from year to year
- Warmest December, 1991-20201999: average high 53°F
- Coolest December2013: average high 44°F
- Wettest December1998: 39.3 in
- Driest December2009: 7.9 in
- Highest reading63°F (December 14, 2018)
- Lowest reading13°F (December 8, 2013)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
December compared with November and January
| November | December | January | |
|---|---|---|---|
| Normal high | 54°F | 49°F | 49°F |
| Normal low | 40°F | 38°F | 38°F |
| Wet days | 21 | 21 | 21 |
| Comfortable days | 1 | 0 | 0 |
| Daylight | 9.5 h | 8.7 h | 9.1 h |
Highs change by -5°F from November and 0°F into January.
Nearby alternatives in December
- Drier: Port Angeles, WA156 mi · high 45°F · 17 wet days
- Cooler: Bend, OR181 mi · high 41°F · 9 wet days
How Cannon Beach ranks in December
- Normal high197th warmest of 378 cities; 1st of 6 in Oregon
- Wet days372nd driest of 378
- Comfortable days321st most of 340
What to pack for Cannon Beach in December
- A warm jacket – lows near 38°F, highs near 49°F
- A rain jacket or umbrella – rain on about 21 days
Heating and cooling
December has 677 heating degree days and 0 cooling degree days (base 65°F), 14% of the year's total heating and cooling demand.
Questions
How cold is Cannon Beach in December?
The normal high is 49°F and the normal low is 38°F. From 1991 to 2020 the coldest December reading was 13°F (December 8, 2013).
Does it rain a lot in Cannon Beach in December?
About 21 days in December have at least 0.01 in of precipitation, and the normal total is 19.6 in. The wettest December in 1991-2020 was in 1998 (39.3 in); the driest was in 2009 (7.9 in).
Does it snow in Cannon Beach in December?
Yes. Normal snowfall in December is 0.2 in.
Is December a good time to visit Cannon Beach?
December ranks 12th of 12 months on our comfort score for Cannon Beach (29 out of 100). It has almost no comfortable days. The best months are July and August.
Where the numbers come from
- Temperature and humidity and wind by hour: Astoria Rgnl Airport (USW00094224), 19 mi NNE of the city center, 9 ft . NOAA normals and daily records, 1991-2020.
- Rain and snowfall: Nehalem 9 Ne (USC00355971), 11 mi ESE of the city center, 140 ft (103 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Snow depth and frost dates: Seaside (USC00357641), 6.8 mi NNE of the city center, 10 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Astoria Regional Airport (727910-94224), 19 mi NNE of the city center, 11 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).