Early winter · Weather & things to do
Astoria in December
This is the coldest month in Astoria: highs average 47°F (8°C) and lows 40°F (4°C), with about 11.4 in (289 mm) of rain.
With a comfort score of 29/100 (12th of 12), it's one of the toughest months, held back mainly by rain.

- Avg high
- 47°F (8°C)
- Avg low
- 40°F (4°C)
- Rain
- 11.4 in (289 mm)
- Humidity
- 91%
- Cloud cover
- 79%
- Daylight
- ~8 h 26 min
- Comfort score
- 29/100 · Tough
What December feels like
Afternoons only reach about 47°F (8°C), so plan on a warm jacket.
Nights cool to an average low of 40°F (4°C).
It's a very wet month, with around 11.4 in (289 mm) of rain, so keep plans flexible and have indoor backups ready.
Skies are often grey, with average cloud cover around 79%.
Only about 8 h 26 min of daylight means early sunsets.
Plan around December
December is one of the lower-scoring months here; the best are July – September.
- Inside the wettest three-month stretch, November – January.
- Shortest days of the year, about 8 h 26 min of daylight.
- Comfort slips from 38/100 in November to 29/100.
- Our Oregon Coast Hideaways route recommends May – Sep, so December falls outside its suggested window.
What to pack for December
- Insulated jackethighs only 47°F
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Astoria in December
Wet days call for a roof: these picks favor sit-down and indoor stops, plus a few for drier spells.
Buoy Beer Company
Brewpub on a cannery pier with a glass floor panel over sea lions below.
Why now A sit-down stop to wait out showers in a month with 11.4 in of rain.
Fort Stevens State Park
Civil War-era fort, bike trails and the rusted wreck of the Peter Iredale on the beach.
Astoria Column
125-foot hilltop tower with a spiral mural and 164 steps to views of the Columbia River bar.
Columbia River Maritime Museum
Museum on the 'Graveyard of the Pacific' river bar, with a lightship you can board.
Why now An indoor-leaning stop for a month with 11.4 in of rain.
Astoria Riverwalk
Waterfront trail along old cannery piers with sea lions and passing cargo ships.
Nearby in December
- Cannon Beach in December~21 mi · highs 47°F, 11.4 in rain · similar daytime temperatures, about as wet
- Portland in December~72 mi · highs 45°F, 9.9 in rain · similar daytime temperatures, drier
- Olympic NP in December~112 mi · highs 31°F, 10.6 in rain or snow · 9°C (16°F) cooler by day, drier
- Bainbridge Island in December~117 mi · highs 44°F, 6.9 in rain · 1°C (2°F) cooler by day, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~165 m to Astoria's ~7 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Astoria in December: quick answers
Is December a good time to visit Astoria?
It's one of the tougher months here, scoring 29/100, held back mainly by rain. The best months are July – September. Expect highs of 47°F (8°C) and 11.4 in (289 mm) of rain. Our Oregon Coast Hideaways route recommends May – Sep, so December is outside its suggested window.
How cold is Astoria in December?
Average highs are 47°F (8°C) and average lows 40°F (4°C), making it the coldest month by daytime highs.
Does it rain a lot in Astoria in December?
Yes: about 11.4 in (289 mm) of rain falls across December on average, the wettest month of the year. The annual total is about 70.2 in (1782 mm).
What should I pack for Astoria in December?
Bring insulated jacket (highs only 47°F), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Planning Astoria in December?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.





