Sea Temperature in Keyport in December

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

39°F

MINIMUN

47°F

AVERAGE

55°F

MAXIMUM

Historical Data of Water Temperature in December in Keyport

Water Temperature Chart for Atlantic Ocean in Keyport in December

Sea Temperature Table in Keyport in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	52°C	50°C	52°C	51°C
Dec 2	52°C	52°C	52°C	51°C
Dec 3	52°C	52°C	52°C	51°C
Dec 4	52°C	50°C	50°C	50°C
Dec 5	50°C	48°C	50°C	50°C
Dec 6	50°C	50°C	50°C	50°C
Dec 7	50°C	48°C	50°C	49°C
Dec 8	48°C	48°C	48°C	49°C
Dec 9	46°C	48°C	50°C	49°C
Dec 10	48°C	48°C	50°C	49°C
Dec 11	48°C	48°C	50°C	49°C
Dec 12	48°C	48°C	48°C	48°C
Dec 13	46°C	48°C	48°C	48°C
Dec 14	46°C	48°C	48°C	48°C
Dec 15	45°C	46°C	46°C	46°C
Dec 16	45°C	46°C	46°C	47°C
Dec 17	45°C	46°C	46°C	46°C
Dec 18	45°C	48°C	46°C	47°C
Dec 19	45°C	48°C	46°C	47°C
Dec 20	46°C	46°C	46°C	47°C
Dec 21	45°C	46°C	45°C	46°C
Dec 22	45°C	46°C	45°C	46°C
Dec 23	45°C	46°C	45°C	46°C
Dec 24	45°C	45°C	45°C	46°C
Dec 25	43°C	45°C	45°C	45°C
Dec 26	43°C	45°C	45°C	45°C
Dec 27	41°C	45°C	45°C	45°C
Dec 28	41°C	45°C	43°C	44°C
Dec 29	41°C	46°C	41°C	45°C
Dec 30	43°C	46°C	41°C	45°C

Keyport Climate and Swimming Opportunities in December

48°F

Average Day Air Temperature

27°F

Average Night Air Temperature

7 in

Precipitation Amount per Month

12 days

Number of Rainy Days

10 hrs

Daylight
per Day

5 hrs

Sunshine
per Day

11 mph

Average Wind Speed

73%

Average
humidity

Keyport lies within the New Jersey in United States. The average daytime temperature in Keyport in December is 49°F (9°C), while the nighttime average is 27°F (-3°C). There are typically 12 rainy days during the month, with a total precipitation of 7.0 inches (177 mm). The daylight duration in December in Keyport is 10 hours, with an average of 5 hours of sunshine per day. The average wind speed in December is 11 mph (18 km/h), and the humidity level is around 73%.

The water temperature in Keyport in December ranges from 43°F to 50°F (6°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 46°F (8°C) in the last ten days. Overall, the average sea temperature in Keyport 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 Keyport

What is the sea temperature in Keyport in December?

The water temperature in the Atlantic Ocean in Keyport in December ranges from 43°F to 50°F (6°C to 10°C).

Is it possible to swim in the Atlantic Ocean in Keyport in December?

The average sea temperature in Keyport in December is 48°F (9°C), and the air temperature is 49°F (9°C), so still too cold for most swimmers. Only short dips in proper gear are advisable.