Sea Temperature in Copalis Beach in December

Complete information on the sea temperature range in the Pacific Ocean in Copalis Beach in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Copalis Beach. 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 Copalis Beach in December

45°F

MINIMUN

49°F

AVERAGE

54°F

MAXIMUM

Historical Data of Water Temperature in December in Copalis Beach

Water Temperature Chart for Pacific Ocean in Copalis Beach in December

Sea Temperature Table in Copalis Beach in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	50°C	50°C	48°C	50°C
Dec 2	48°C	50°C	48°C	50°C
Dec 3	50°C	50°C	48°C	50°C
Dec 4	48°C	50°C	48°C	50°C
Dec 5	48°C	50°C	48°C	50°C
Dec 6	46°C	50°C	48°C	49°C
Dec 7	48°C	52°C	46°C	50°C
Dec 8	48°C	48°C	52°C	49°C
Dec 9	48°C	48°C	50°C	49°C
Dec 10	48°C	50°C	48°C	50°C
Dec 11	48°C	50°C	48°C	50°C
Dec 12	48°C	52°C	48°C	50°C
Dec 13	48°C	52°C	48°C	50°C
Dec 14	48°C	50°C	48°C	49°C
Dec 15	48°C	50°C	46°C	48°C
Dec 16	48°C	50°C	46°C	48°C
Dec 17	48°C	50°C	46°C	49°C
Dec 18	48°C	50°C	46°C	49°C
Dec 19	50°C	50°C	46°C	49°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	45°C	49°C
Dec 23	50°C	50°C	46°C	49°C
Dec 24	50°C	50°C	46°C	49°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	46°C	48°C
Dec 28	50°C	50°C	46°C	48°C
Dec 29	50°C	50°C	48°C	49°C
Dec 30	50°C	52°C	48°C	49°C

Copalis Beach Climate and Swimming Opportunities in December

45°F

Average Day Air Temperature

34°F

Average Night Air Temperature

8 in

Precipitation Amount per Month

19 days

Number of Rainy Days

8 hrs

Daylight
per Day

2 hrs

Sunshine
per Day

7 mph

Average Wind Speed

87%

Average
humidity

Copalis Beach lies within the Washington in United States. The average daytime temperature in Copalis Beach in December is 45°F (7°C), while the nighttime average is 34°F (1°C). There are typically 19 rainy days during the month, with a total precipitation of 7.5 inches (191 mm). The daylight duration in December in Copalis Beach is 8 hours, with an average of 2 hours of sunshine per day. The average wind speed in December is 7 mph (12 km/h), and the humidity level is around 87%.

The water temperature in Copalis Beach 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 48°F (9°C) by mid-December and reaching 48°F (9°C) in the last ten days. Overall, the average sea temperature in Copalis Beach 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 Copalis Beach

What is the sea temperature in Copalis Beach in December?

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

Is it possible to swim in the Pacific Ocean in Copalis Beach in December?

The average sea temperature in Copalis Beach in December is 50°F (10°C), and the air temperature is 45°F (7°C), so still too cold for most swimmers. Only short dips in proper gear are advisable.