Sea Temperature in Astoria in December

Complete information on the sea temperature range in the Pacific Ocean in Astoria in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Astoria. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Astoria in December

45°F

MINIMUN

49°F

AVERAGE

54°F

MAXIMUM

Historical Data of Water Temperature in December in Astoria

Water Temperature Chart for Pacific Ocean in Astoria in December

Sea Temperature Table in Astoria in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	50°C	50°C	50°C	51°C
Dec 2	50°C	52°C	48°C	50°C
Dec 3	50°C	48°C	48°C	50°C
Dec 4	50°C	50°C	50°C	51°C
Dec 5	48°C	50°C	50°C	50°C
Dec 6	48°C	52°C	48°C	50°C
Dec 7	48°C	52°C	48°C	50°C
Dec 8	50°C	48°C	52°C	50°C
Dec 9	50°C	50°C	52°C	51°C
Dec 10	50°C	52°C	48°C	50°C
Dec 11	50°C	52°C	50°C	51°C
Dec 12	50°C	52°C	48°C	50°C
Dec 13	50°C	52°C	48°C	50°C
Dec 14	50°C	52°C	48°C	50°C
Dec 15	52°C	50°C	48°C	50°C
Dec 16	52°C	50°C	48°C	50°C
Dec 17	50°C	50°C	48°C	49°C
Dec 18	50°C	50°C	48°C	49°C
Dec 19	50°C	50°C	48°C	50°C
Dec 20	50°C	50°C	46°C	49°C
Dec 21	50°C	50°C	46°C	49°C
Dec 22	50°C	50°C	46°C	49°C
Dec 23	50°C	52°C	46°C	50°C
Dec 24	50°C	52°C	48°C	50°C
Dec 25	50°C	50°C	46°C	49°C
Dec 26	50°C	50°C	46°C	49°C
Dec 27	50°C	50°C	48°C	49°C
Dec 28	50°C	50°C	48°C	49°C
Dec 29	50°C	52°C	48°C	49°C
Dec 30	52°C	52°C	48°C	50°C

Astoria Climate and Swimming Opportunities in December

50°F

Average Day Air Temperature

36°F

Average Night Air Temperature

14 in

Precipitation Amount per Month

21 days

Number of Rainy Days

9 hrs

Daylight
per Day

2 hrs

Sunshine
per Day

11 mph

Average Wind Speed

85%

Average
humidity

Astoria lies within the Oregon in United States. The average daytime temperature in Astoria in December is 49°F (10°C), while the nighttime average is 36°F (2°C). There are typically 21 rainy days during the month, with a total precipitation of 13.6 inches (345 mm). The daylight duration in December in Astoria is 9 hours, with an average of 2 hours of sunshine per day. The average wind speed in December is 11 mph (18 km/h), and the humidity level is around 85%.

The water temperature in Astoria in December ranges from 48°F to 50°F (9°C to 10°C). At the beginning of the month, the average temperature is around 50°F (10°C), shifting to 50°F (10°C) by mid-December and reaching 50°F (10°C) in the last ten days. Overall, the average sea temperature in Astoria for December is 50°F (10°C). Still too cold for most swimmers. Only short dips in proper gear are advisable.

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Astoria

What is the sea temperature in Astoria in December?

The water temperature in the Pacific Ocean in Astoria in December ranges from 48°F to 50°F (9°C to 10°C).

Is it possible to swim in the Pacific Ocean in Astoria in December?

The average sea temperature in Astoria in December is 50°F (10°C), and the air temperature is 49°F (10°C), so still too cold for most swimmers. Only short dips in proper gear are advisable.