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

20°C

MINIMUN

24.5°C

AVERAGE

29°C

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	21°C	21°C	21°C	21.3°C
Dec 2	22°C	22°C	21°C	21.8°C
Dec 3	21°C	22°C	22°C	21.8°C
Dec 4	21°C	23°C	22°C	21.8°C
Dec 5	21°C	23°C	22°C	22.0°C
Dec 6	21°C	23°C	22°C	22.0°C
Dec 7	22°C	23°C	22°C	22.3°C
Dec 8	22°C	22°C	23°C	22.3°C
Dec 9	22°C	22°C	23°C	22.3°C
Dec 10	22°C	23°C	23°C	22.5°C
Dec 11	22°C	23°C	22°C	22.0°C
Dec 12	22°C	23°C	21°C	21.8°C
Dec 13	22°C	22°C	22°C	22.0°C
Dec 14	22°C	22°C	22°C	22.0°C
Dec 15	21°C	23°C	22°C	22.0°C
Dec 16	21°C	23°C	22°C	21.8°C
Dec 17	22°C	22°C	22°C	21.8°C
Dec 18	22°C	23°C	21°C	21.8°C
Dec 19	20°C	22°C	21°C	21.3°C
Dec 20	20°C	22°C	22°C	21.5°C
Dec 21	20°C	22°C	22°C	21.5°C
Dec 22	20°C	22°C	22°C	21.5°C
Dec 23	22°C	22°C	22°C	22.0°C
Dec 24	22°C	22°C	23°C	22.3°C
Dec 25	22°C	22°C	22°C	22.3°C
Dec 26	22°C	22°C	22°C	22.0°C
Dec 27	22°C	22°C	23°C	22.3°C
Dec 28	22°C	23°C	22°C	22.5°C
Dec 29	22°C	22°C	22°C	22.0°C
Dec 30	23°C	23°C	22°C	22.8°C

Jamestown Climate and Swimming Opportunities in December

25°C

Average Day Air Temperature

15°C

Average Night Air Temperature

4 mm

Precipitation Amount per Month

3 days

Number of Rainy Days

13 hrs

Daylight
per Day

7 hrs

Sunshine
per Day

15 km/h

Average Wind Speed

73%

Average
humidity

Jamestown lies within in Saint Helena. The average daytime temperature in Jamestown in December is 25°C (77°F), while the nighttime average is 15°C (58°F). There are typically three rainy days during the month, with a total precipitation of 4 mm (0.1 inches). The daylight duration in December in Jamestown is 13 hours, with an average of 7 hours of sunshine per day. The average wind speed in December is 15 km/h (9 mph), and the humidity level is around 73%.

The water temperature in Jamestown in December ranges from 21°C to 22°C (70°F to 72°F). At the beginning of the month, the average temperature is around 22°C (72°F), shifting to 22°C (72°F) by mid-December and reaching 22°C (72°F) in the last ten days. Overall, the average sea temperature in Jamestown for December is 22°C (72°F). Optimal swimming conditions. The water is warm, and the air is comfortable for drying off and sunbathing.

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 21°C to 22°C (70°F to 72°F).

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

The average sea temperature in Jamestown in December is 22°C (72°F), and the air temperature is 25°C (77°F), so optimal swimming conditions. The water is warm, and the air is comfortable for drying off and sunbathing.