Sea Temperature in Charleston in December

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

9°C

MINIMUN

12.5°C

AVERAGE

16°C

MAXIMUM

Historical Data of Water Temperature in December in Charleston

Water Temperature Chart for Pacific Ocean in Charleston in December

Sea Temperature Table in Charleston in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	11°C	11°C	10°C	11.8°C
Dec 2	11°C	11°C	10°C	11.8°C
Dec 3	11°C	11°C	11°C	12.0°C
Dec 4	11°C	11°C	11°C	12.0°C
Dec 5	10°C	12°C	11°C	12.0°C
Dec 6	10°C	12°C	11°C	11.8°C
Dec 7	10°C	12°C	11°C	12.0°C
Dec 8	11°C	10°C	12°C	11.0°C
Dec 9	11°C	11°C	12°C	11.5°C
Dec 10	11°C	12°C	12°C	12.5°C
Dec 11	11°C	11°C	11°C	11.8°C
Dec 12	10°C	11°C	11°C	11.8°C
Dec 13	10°C	11°C	11°C	11.8°C
Dec 14	11°C	11°C	11°C	12.0°C
Dec 15	10°C	11°C	10°C	11.3°C
Dec 16	10°C	11°C	10°C	11.3°C
Dec 17	10°C	11°C	10°C	11.3°C
Dec 18	10°C	11°C	11°C	11.5°C
Dec 19	11°C	11°C	10°C	11.8°C
Dec 20	10°C	11°C	10°C	10.5°C
Dec 21	10°C	11°C	10°C	10.5°C
Dec 22	10°C	12°C	10°C	10.8°C
Dec 23	10°C	12°C	9°C	10.5°C
Dec 24	10°C	12°C	10°C	10.8°C
Dec 25	11°C	11°C	10°C	10.8°C
Dec 26	10°C	11°C	10°C	10.5°C
Dec 27	10°C	11°C	9°C	10.3°C
Dec 28	10°C	11°C	10°C	10.5°C
Dec 29	11°C	11°C	10°C	10.8°C
Dec 30	12°C	11°C	10°C	11.0°C

Charleston Climate and Swimming Opportunities in December

10°C

Average Day Air Temperature

3°C

Average Night Air Temperature

334 mm

Precipitation Amount per Month

21 days

Number of Rainy Days

9 hrs

Daylight
per Day

2 hrs

Sunshine
per Day

19 km/h

Average Wind Speed

87%

Average
humidity

Charleston lies within the Oregon in United States. The average daytime temperature in Charleston in December is 49°F (10°C), while the nighttime average is 38°F (3°C). There are typically 21 rainy days during the month, with a total precipitation of 13.1 inches (334 mm). The daylight duration in December in Charleston is 9 hours, with an average of 2 hours of sunshine per day. The average wind speed in December is 12 mph (19 km/h), and the humidity level is around 87%.

The water temperature in Charleston in December ranges from 50°F to 54°F (10°C to 12°C). At the beginning of the month, the average temperature is around 54°F (12°C), shifting to 54°F (12°C) by mid-December and reaching 52°F (11°C) in the last ten days. Overall, the average sea temperature in Charleston for December is 52°F (11°C). The water is still cold, but for short swims, it can be manageable. Warm clothes are necessary after swimming.

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Charleston

What is the sea temperature in Charleston in December?

The water temperature in the Pacific Ocean in Charleston in December ranges from 50°F to 54°F (10°C to 12°C).

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

The average sea temperature in Charleston in December is 52°F (11°C), and the air temperature is 49°F (10°C), so the water is still cold, but for short swims, it can be manageable. Warm clothes are necessary after swimming.