Sea Temperature in Mers-les-Bains in December

Complete information on the sea temperature range in the English Channel in Mers-les-Bains in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Mers-les-Bains. 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 Mers-les-Bains in December

8°C

MINIMUN

11°C

AVERAGE

14°C

MAXIMUM

Historical Data of Water Temperature in December in Mers-les-Bains

Water Temperature Chart for English Channel in Mers-les-Bains in December

Sea Temperature Table in Mers-les-Bains in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	12°C	12°C	13°C	12.3°C
Dec 2	12°C	11°C	13°C	12.0°C
Dec 3	12°C	12°C	12°C	11.8°C
Dec 4	12°C	11°C	12°C	11.5°C
Dec 5	12°C	11°C	12°C	11.5°C
Dec 6	12°C	11°C	12°C	11.3°C
Dec 7	12°C	11°C	12°C	11.5°C
Dec 8	12°C	12°C	10°C	11.5°C
Dec 9	11°C	12°C	10°C	11.3°C
Dec 10	11°C	10°C	11°C	10.8°C
Dec 11	11°C	10°C	12°C	10.8°C
Dec 12	11°C	10°C	11°C	10.5°C
Dec 13	11°C	11°C	11°C	10.8°C
Dec 14	10°C	11°C	10°C	9.8°C
Dec 15	10°C	11°C	10°C	10.3°C
Dec 16	10°C	11°C	10°C	10.0°C
Dec 17	10°C	11°C	10°C	10.0°C
Dec 18	10°C	10°C	10°C	10.0°C
Dec 19	10°C	11°C	10°C	10.0°C
Dec 20	9°C	10°C	9°C	9.5°C
Dec 21	9°C	10°C	9°C	9.5°C
Dec 22	10°C	9°C	9°C	9.5°C
Dec 23	10°C	10°C	9°C	9.5°C
Dec 24	9°C	10°C	9°C	9.3°C
Dec 25	9°C	10°C	9°C	9.3°C
Dec 26	9°C	10°C	9°C	9.3°C
Dec 27	10°C	10°C	9°C	9.5°C
Dec 28	10°C	10°C	9°C	9.5°C
Dec 29	10°C	10°C	9°C	9.5°C
Dec 30	9°C	10°C	9°C	9.3°C

Mers-les-Bains Climate and Swimming Opportunities in December

7°C

Average Day Air Temperature

3°C

Average Night Air Temperature

71 mm

Precipitation Amount per Month

13 days

Number of Rainy Days

8 hrs

Daylight
per Day

2 hrs

Sunshine
per Day

21 km/h

Average Wind Speed

90%

Average
humidity

Mers-les-Bains lies within the Hauts-de-France in France. The average daytime temperature in Mers-les-Bains in December is 7°C (45°F), while the nighttime average is 3°C (38°F). There are typically 13 rainy days during the month, with a total precipitation of 71 mm (2.8 inches). The daylight duration in December in Mers-les-Bains is 8 hours, with an average of 2 hours of sunshine per day. The average wind speed in December is 21 km/h (13 mph), and the humidity level is around 90%.

The water temperature in Mers-les-Bains in December ranges from 9°C to 12°C (48°F to 54°F). At the beginning of the month, the average temperature is around 12°C (54°F), shifting to 10°C (50°F) by mid-December and reaching 9°C (48°F) in the last ten days. Overall, the average sea temperature in Mers-les-Bains for December is 10°C (50°F). 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 Mers-les-Bains

What is the sea temperature in Mers-les-Bains in December?

The water temperature in the English Channel in Mers-les-Bains in December ranges from 9°C to 12°C (48°F to 54°F).

Is it possible to swim in the English Channel in Mers-les-Bains in December?

The average sea temperature in Mers-les-Bains in December is 10°C (50°F), and the air temperature is 7°C (45°F), so still too cold for most swimmers. Only short dips in proper gear are advisable.