Sea Temperature in Riantec in December

Complete information on the sea temperature range in the Bay of Biscay in Riantec in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Riantec. 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 Riantec in December

9°C

MINIMUN

11.5°C

AVERAGE

14°C

MAXIMUM

Historical Data of Water Temperature in December in Riantec

Water Temperature Chart for Bay of Biscay in Riantec in December

Sea Temperature Table in Riantec in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	13°C	14°C	14°C	13.3°C
Dec 2	14°C	14°C	14°C	13.5°C
Dec 3	13°C	13°C	14°C	13.0°C
Dec 4	13°C	13°C	14°C	13.0°C
Dec 5	12°C	13°C	13°C	12.5°C
Dec 6	13°C	13°C	13°C	12.8°C
Dec 7	13°C	13°C	13°C	12.8°C
Dec 8	13°C	13°C	12°C	12.8°C
Dec 9	13°C	13°C	12°C	12.8°C
Dec 10	13°C	12°C	13°C	12.8°C
Dec 11	13°C	12°C	13°C	12.5°C
Dec 12	12°C	12°C	13°C	12.3°C
Dec 13	12°C	13°C	12°C	12.3°C
Dec 14	11°C	13°C	12°C	12.0°C
Dec 15	11°C	13°C	12°C	12.0°C
Dec 16	11°C	12°C	12°C	11.8°C
Dec 17	11°C	12°C	12°C	11.8°C
Dec 18	11°C	11°C	11°C	11.0°C
Dec 19	11°C	11°C	11°C	11.0°C
Dec 20	11°C	11°C	11°C	11.0°C
Dec 21	11°C	11°C	11°C	11.0°C
Dec 22	12°C	11°C	11°C	11.3°C
Dec 23	12°C	11°C	11°C	11.3°C
Dec 24	11°C	12°C	11°C	11.3°C
Dec 25	11°C	12°C	11°C	11.3°C
Dec 26	11°C	12°C	10°C	11.0°C
Dec 27	11°C	12°C	10°C	11.0°C
Dec 28	12°C	11°C	10°C	11.0°C
Dec 29	12°C	12°C	10°C	11.3°C
Dec 30	11°C	13°C	11°C	11.5°C

Riantec Climate and Swimming Opportunities in December

10°C

Average Day Air Temperature

6°C

Average Night Air Temperature

104 mm

Precipitation Amount per Month

15 days

Number of Rainy Days

8 hrs

Daylight
per Day

2 hrs

Sunshine
per Day

22 km/h

Average Wind Speed

86%

Average
humidity

Riantec lies within the Brittany in France. The average daytime temperature in Riantec in December is 10°C (51°F), while the nighttime average is 6°C (44°F). There are typically 15 rainy days during the month, with a total precipitation of 104 mm (4.1 inches). The daylight duration in December in Riantec is 8 hours, with an average of 2 hours of sunshine per day. The average wind speed in December is 22 km/h (14 mph), and the humidity level is around 86%.

The water temperature in Riantec in December ranges from 11°C to 13°C (52°F to 55°F). At the beginning of the month, the average temperature is around 13°C (55°F), shifting to 12°C (54°F) by mid-December and reaching 11°C (52°F) in the last ten days. Overall, the average sea temperature in Riantec for December is 12°C (54°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 Riantec

What is the sea temperature in Riantec in December?

The water temperature in the Bay of Biscay in Riantec in December ranges from 11°C to 13°C (52°F to 55°F).

Is it possible to swim in the Bay of Biscay in Riantec in December?

The average sea temperature in Riantec in December is 12°C (54°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.