Sea Temperature in Jamestown in December

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

39°F

MINIMUN

46°F

AVERAGE

54°F

MAXIMUM

Historical Data of Water Temperature in December in Jamestown

Water Temperature Chart for Atlantic Ocean in Jamestown in December

Sea Temperature Table in Jamestown in December Over the Past Years

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

Jamestown Climate and Swimming Opportunities in December

50°F

Average Day Air Temperature

39°F

Average Night Air Temperature

11 in

Precipitation Amount per Month

21 days

Number of Rainy Days

9 hrs

Daylight
per Day

2 hrs

Sunshine
per Day

12 mph

Average Wind Speed

87%

Average
humidity

Jamestown lies within the Rhode Island in United States. The average daytime temperature in Jamestown in December is 49°F (10°C), while the nighttime average is 38°F (4°C). There are typically 21 rainy days during the month, with a total precipitation of 11.4 inches (291 mm). The daylight duration in December in Jamestown 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 Jamestown in December ranges from 45°F to 50°F (7°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 Jamestown 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 Jamestown

What is the sea temperature in Jamestown in December?

The water temperature in the Atlantic Ocean in Jamestown in December ranges from 45°F to 50°F (7°C to 10°C).

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

The average sea temperature in Jamestown in December is 48°F (9°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.