Sea Temperature in Saint-Jouan-des-Guérets in December

Complete information on the sea temperature range in the Celtic Sea in Saint-Jouan-des-Guérets in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Saint-Jouan-des-Guérets. 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 Saint-Jouan-des-Guérets in December

48°F

MINIMUN

53°F

AVERAGE

57°F

MAXIMUM

Historical Data of Water Temperature in December in Saint-Jouan-des-Guérets

Water Temperature Chart for Celtic Sea in Saint-Jouan-des-Guérets in December

Sea Temperature Table in Saint-Jouan-des-Guérets in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	54°C	55°C	55°C	55°C
Dec 2	55°C	55°C	55°C	55°C
Dec 3	54°C	55°C	55°C	55°C
Dec 4	54°C	54°C	55°C	54°C
Dec 5	54°C	54°C	54°C	53°C
Dec 6	54°C	54°C	55°C	54°C
Dec 7	54°C	54°C	54°C	53°C
Dec 8	54°C	54°C	54°C	54°C
Dec 9	54°C	54°C	54°C	54°C
Dec 10	54°C	52°C	54°C	53°C
Dec 11	54°C	52°C	54°C	53°C
Dec 12	54°C	52°C	54°C	53°C
Dec 13	54°C	52°C	52°C	52°C
Dec 14	50°C	52°C	52°C	51°C
Dec 15	50°C	52°C	52°C	51°C
Dec 16	52°C	52°C	52°C	51°C
Dec 17	52°C	52°C	52°C	51°C
Dec 18	50°C	50°C	52°C	51°C
Dec 19	50°C	50°C	52°C	51°C
Dec 20	50°C	50°C	50°C	51°C
Dec 21	50°C	52°C	50°C	51°C
Dec 22	52°C	50°C	50°C	51°C
Dec 23	52°C	52°C	50°C	51°C
Dec 24	52°C	50°C	50°C	51°C
Dec 25	50°C	50°C	50°C	50°C
Dec 26	52°C	50°C	52°C	51°C
Dec 27	50°C	50°C	52°C	51°C
Dec 28	50°C	50°C	50°C	50°C
Dec 29	48°C	50°C	50°C	50°C
Dec 30	48°C	52°C	50°C	50°C

Saint-Jouan-des-Guérets Climate and Swimming Opportunities in December

50°F

Average Day Air Temperature

41°F

Average Night Air Temperature

3 in

Precipitation Amount per Month

15 days

Number of Rainy Days

8 hrs

Daylight
per Day

2 hrs

Sunshine
per Day

14 mph

Average Wind Speed

85%

Average
humidity

Saint-Jouan-des-Guérets lies within the Brittany in France. The average daytime temperature in Saint-Jouan-des-Guérets in December is 10°C (51°F), while the nighttime average is 5°C (40°F). There are typically 15 rainy days during the month, with a total precipitation of 86 mm (3.4 inches). The daylight duration in December in Saint-Jouan-des-Guérets is 8 hours, with an average of 2 hours of sunshine per day. The average wind speed in December is 23 km/h (14 mph), and the humidity level is around 85%.

The water temperature in Saint-Jouan-des-Guérets 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 11°C (52°F) by mid-December and reaching 10°C (50°F) in the last ten days. Overall, the average sea temperature in Saint-Jouan-des-Guérets for December is 11°C (52°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 Saint-Jouan-des-Guérets

What is the sea temperature in Saint-Jouan-des-Guérets in December?

The water temperature in the Celtic Sea in Saint-Jouan-des-Guérets in December ranges from 9°C to 12°C (48°F to 54°F).

Is it possible to swim in the Celtic Sea in Saint-Jouan-des-Guérets in December?

The average sea temperature in Saint-Jouan-des-Guérets in December is 11°C (52°F), and the air temperature is 10°C (51°F), so the water is cool, but many swimmers can tolerate it, especially with the sun out. Acclimatization is helpful.