Sea Temperature in Heybeliada in December

Complete information on the sea temperature range in the Sea of Marmara in Heybeliada in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Heybeliada. 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 Heybeliada in December

45°F

MINIMUN

53°F

AVERAGE

61°F

MAXIMUM

Historical Data of Water Temperature in December in Heybeliada

Water Temperature Chart for Sea of Marmara in Heybeliada in December

Sea Temperature Table in Heybeliada in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	57°C	59°C	57°C	58°C
Dec 2	57°C	59°C	59°C	58°C
Dec 3	57°C	59°C	57°C	58°C
Dec 4	57°C	59°C	57°C	58°C
Dec 5	57°C	59°C	57°C	58°C
Dec 6	57°C	59°C	57°C	58°C
Dec 7	55°C	57°C	57°C	57°C
Dec 8	55°C	55°C	57°C	56°C
Dec 9	57°C	55°C	57°C	57°C
Dec 10	57°C	57°C	57°C	57°C
Dec 11	57°C	57°C	57°C	57°C
Dec 12	55°C	55°C	57°C	56°C
Dec 13	55°C	57°C	57°C	57°C
Dec 14	55°C	55°C	57°C	56°C
Dec 15	55°C	55°C	55°C	55°C
Dec 16	55°C	55°C	57°C	56°C
Dec 17	55°C	55°C	55°C	55°C
Dec 18	55°C	55°C	55°C	55°C
Dec 19	55°C	55°C	55°C	55°C
Dec 20	55°C	55°C	55°C	55°C
Dec 21	55°C	55°C	55°C	55°C
Dec 22	55°C	55°C	55°C	55°C
Dec 23	55°C	54°C	55°C	55°C
Dec 24	54°C	55°C	55°C	54°C
Dec 25	55°C	55°C	55°C	55°C
Dec 26	54°C	55°C	54°C	54°C
Dec 27	55°C	55°C	54°C	54°C
Dec 28	54°C	55°C	54°C	54°C
Dec 29	54°C	55°C	55°C	54°C
Dec 30	54°C	55°C	54°C	54°C

Heybeliada Climate and Swimming Opportunities in December

54°F

Average Day Air Temperature

41°F

Average Night Air Temperature

4 in

Precipitation Amount per Month

13 days

Number of Rainy Days

9 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

7 mph

Average Wind Speed

79%

Average
humidity

Heybeliada lies within the Istanbul Province in Turkey. The average daytime temperature in Heybeliada in December is 12°C (53°F), while the nighttime average is 5°C (42°F). There are typically 13 rainy days during the month, with a total precipitation of 109 mm (4.3 inches). The daylight duration in December in Heybeliada is 9 hours, with an average of 4 hours of sunshine per day. The average wind speed in December is 11 km/h (7 mph), and the humidity level is around 79%.

The water temperature in Heybeliada in December ranges from 12°C to 14°C (54°F to 57°F). At the beginning of the month, the average temperature is around 14°C (57°F), shifting to 13°C (55°F) by mid-December and reaching 12°C (54°F) in the last ten days. Overall, the average sea temperature in Heybeliada for December is 13°C (55°F). The water is cool, but many swimmers can tolerate it, especially with the sun out. Acclimatization is helpful.

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Heybeliada

What is the sea temperature in Heybeliada in December?

The water temperature in the Sea of Marmara in Heybeliada in December ranges from 12°C to 14°C (54°F to 57°F).

Is it possible to swim in the Sea of Marmara in Heybeliada in December?

The average sea temperature in Heybeliada in December is 13°C (55°F), and the air temperature is 12°C (53°F), so the water is cool, but many swimmers can tolerate it, especially with the sun out. Acclimatization is helpful.