Sea Temperature in Dover Beaches in December

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

39°F

MINIMUN

47°F

AVERAGE

55°F

MAXIMUM

Historical Data of Water Temperature in December in Dover Beaches

Water Temperature Chart for Atlantic Ocean in Dover Beaches in December

Sea Temperature Table in Dover Beaches in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	52°C	52°C	52°C	52°C
Dec 2	52°C	50°C	52°C	51°C
Dec 3	52°C	50°C	52°C	51°C
Dec 4	52°C	48°C	52°C	51°C
Dec 5	52°C	48°C	50°C	50°C
Dec 6	50°C	50°C	50°C	50°C
Dec 7	50°C	50°C	50°C	51°C
Dec 8	48°C	50°C	50°C	50°C
Dec 9	46°C	48°C	48°C	48°C
Dec 10	46°C	50°C	50°C	49°C
Dec 11	46°C	50°C	50°C	49°C
Dec 12	48°C	50°C	50°C	50°C
Dec 13	48°C	50°C	50°C	50°C
Dec 14	46°C	48°C	50°C	49°C
Dec 15	46°C	48°C	48°C	48°C
Dec 16	45°C	46°C	48°C	47°C
Dec 17	45°C	46°C	48°C	47°C
Dec 18	46°C	48°C	48°C	48°C
Dec 19	45°C	48°C	48°C	48°C
Dec 20	46°C	48°C	48°C	48°C
Dec 21	46°C	48°C	46°C	48°C
Dec 22	46°C	48°C	45°C	47°C
Dec 23	46°C	48°C	46°C	48°C
Dec 24	46°C	46°C	46°C	47°C
Dec 25	46°C	46°C	46°C	47°C
Dec 26	46°C	46°C	45°C	46°C
Dec 27	45°C	46°C	45°C	46°C
Dec 28	45°C	46°C	45°C	46°C
Dec 29	46°C	46°C	43°C	46°C
Dec 30	45°C	48°C	41°C	46°C

Dover Beaches Climate and Swimming Opportunities in December

46°F

Average Day Air Temperature

30°F

Average Night Air Temperature

4 in

Precipitation Amount per Month

11 days

Number of Rainy Days

9 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

12 mph

Average Wind Speed

68%

Average
humidity

Dover Beaches lies within the New Jersey in United States. The average daytime temperature in Dover Beaches in December is 47°F (8°C), while the nighttime average is 30°F (-1°C). There are typically 11 rainy days during the month, with a total precipitation of 3.9 inches (100 mm). The daylight duration in December in Dover Beaches is 9 hours, with an average of 4 hours of sunshine per day. The average wind speed in December is 12 mph (19 km/h), and the humidity level is around 68%.

The water temperature in Dover Beaches in December ranges from 45°F to 52°F (7°C to 11°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 46°F (8°C) in the last ten days. Overall, the average sea temperature in Dover Beaches for December is 48°F (9°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 Dover Beaches

What is the sea temperature in Dover Beaches in December?

The water temperature in the Atlantic Ocean in Dover Beaches in December ranges from 45°F to 52°F (7°C to 11°C).

Is it possible to swim in the Atlantic Ocean in Dover Beaches in December?

The average sea temperature in Dover Beaches in December is 48°F (9°C), and the air temperature is 47°F (8°C), so still too cold for most swimmers. Only short dips in proper gear are advisable.