Sea Temperature in Guéthary in December

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

11°C

MINIMUN

14°C

AVERAGE

17°C

MAXIMUM

Historical Data of Water Temperature in December in Guéthary

Water Temperature Chart for Bay of Biscay in Guéthary in December

Sea Temperature Table in Guéthary in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	15°C	15°C	15°C	15.0°C
Dec 2	15°C	15°C	15°C	15.0°C
Dec 3	15°C	15°C	15°C	15.0°C
Dec 4	15°C	16°C	15°C	15.3°C
Dec 5	15°C	16°C	15°C	15.3°C
Dec 6	14°C	16°C	15°C	15.0°C
Dec 7	14°C	16°C	15°C	15.0°C
Dec 8	14°C	14°C	15°C	14.5°C
Dec 9	14°C	14°C	15°C	14.5°C
Dec 10	14°C	15°C	15°C	14.5°C
Dec 11	14°C	15°C	15°C	14.5°C
Dec 12	14°C	15°C	15°C	14.8°C
Dec 13	14°C	15°C	15°C	14.8°C
Dec 14	14°C	15°C	15°C	14.5°C
Dec 15	13°C	15°C	15°C	14.3°C
Dec 16	13°C	15°C	15°C	14.3°C
Dec 17	14°C	15°C	15°C	14.5°C
Dec 18	13°C	15°C	15°C	14.3°C
Dec 19	13°C	15°C	15°C	14.3°C
Dec 20	13°C	14°C	14°C	13.5°C
Dec 21	13°C	14°C	14°C	13.3°C
Dec 22	13°C	13°C	14°C	13.0°C
Dec 23	13°C	14°C	14°C	13.5°C
Dec 24	14°C	14°C	14°C	13.8°C
Dec 25	13°C	14°C	15°C	13.8°C
Dec 26	14°C	14°C	14°C	13.8°C
Dec 27	13°C	14°C	14°C	13.5°C
Dec 28	13°C	14°C	14°C	13.5°C
Dec 29	13°C	14°C	14°C	13.5°C
Dec 30	13°C	14°C	14°C	13.5°C

Guéthary Climate and Swimming Opportunities in December

12°C

Average Day Air Temperature

6°C

Average Night Air Temperature

130 mm

Precipitation Amount per Month

13 days

Number of Rainy Days

9 hrs

Daylight
per Day

3 hrs

Sunshine
per Day

15 km/h

Average Wind Speed

78%

Average
humidity

Guéthary lies within the Nouvelle-Aquitaine in France. The average daytime temperature in Guéthary in December is 12°C (53°F), while the nighttime average is 6°C (43°F). There are typically 13 rainy days during the month, with a total precipitation of 130 mm (5.1 inches). The daylight duration in December in Guéthary is 9 hours, with an average of 3 hours of sunshine per day. The average wind speed in December is 15 km/h (9 mph), and the humidity level is around 78%.

The water temperature in Guéthary in December ranges from 13°C to 15°C (55°F to 59°F). At the beginning of the month, the average temperature is around 15°C (59°F), shifting to 15°C (59°F) by mid-December and reaching 14°C (57°F) in the last ten days. Overall, the average sea temperature in Guéthary for December is 14°C (57°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 Guéthary

What is the sea temperature in Guéthary in December?

The water temperature in the Bay of Biscay in Guéthary in December ranges from 13°C to 15°C (55°F to 59°F).

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

The average sea temperature in Guéthary in December is 14°C (57°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.