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Sea Temperature in Santander in December
Complete information on the sea temperature range in the Bay of Biscay in Santander in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Santander. 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 Santander in December
11°C
MINIMUN
14°C
AVERAGE
17°C
MAXIMUM
Historical Data of Water Temperature in December in Santander
Water Temperature Chart for Bay of Biscay in Santander in December
Sea Temperature Table in Santander in December Over the Past Years
Day | 2024 | 2023 | 2022 | Average |
---|---|---|---|---|
Dec 1 | 15°C | 16°C | 16°C | 15.3°C |
Dec 2 | 15°C | 16°C | 16°C | 15.3°C |
Dec 3 | 16°C | 16°C | 16°C | 15.8°C |
Dec 4 | 15°C | 16°C | 16°C | 15.3°C |
Dec 5 | 15°C | 16°C | 16°C | 15.3°C |
Dec 6 | 15°C | 15°C | 16°C | 15.3°C |
Dec 7 | 15°C | 16°C | 16°C | 15.5°C |
Dec 8 | 15°C | 15°C | 15°C | 15.3°C |
Dec 9 | 15°C | 15°C | 15°C | 15.0°C |
Dec 10 | 15°C | 14°C | 15°C | 14.8°C |
Dec 11 | 15°C | 15°C | 15°C | 14.8°C |
Dec 12 | 15°C | 15°C | 15°C | 14.8°C |
Dec 13 | 15°C | 15°C | 15°C | 14.5°C |
Dec 14 | 15°C | 15°C | 15°C | 14.5°C |
Dec 15 | 15°C | 15°C | 16°C | 15.0°C |
Dec 16 | 15°C | 15°C | 15°C | 14.8°C |
Dec 17 | 14°C | 15°C | 15°C | 14.5°C |
Dec 18 | 14°C | 15°C | 15°C | 14.3°C |
Dec 19 | 14°C | 15°C | 15°C | 14.5°C |
Dec 20 | 14°C | 15°C | 14°C | 14.3°C |
Dec 21 | 15°C | 15°C | 15°C | 14.5°C |
Dec 22 | 14°C | 15°C | 14°C | 14.0°C |
Dec 23 | 14°C | 15°C | 15°C | 14.3°C |
Dec 24 | 14°C | 15°C | 14°C | 14.0°C |
Dec 25 | 14°C | 15°C | 15°C | 14.3°C |
Dec 26 | 14°C | 15°C | 15°C | 14.3°C |
Dec 27 | 14°C | 15°C | 15°C | 14.3°C |
Dec 28 | 14°C | 14°C | 15°C | 14.3°C |
Dec 29 | 14°C | 14°C | 15°C | 14.0°C |
Dec 30 | 14°C | 15°C | 14°C | 14.0°C |
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
Santander Climate and Swimming Opportunities in December
13°C
Average Day Air Temperature
8°C
Average Night Air Temperature
114 mm
Precipitation Amount per Month
14 days
Number of Rainy Days
9 hrs
Daylight
per Day
3 hrs
Sunshine
per Day
13 km/h
Average Wind Speed
73%
Average
humidity
Santander lies within the Cantabria in Spain. The average daytime temperature in Santander in December is 13°C (56°F), while the nighttime average is 8°C (46°F). There are typically 14 rainy days during the month, with a total precipitation of 114 mm (4.5 inches). The daylight duration in December in Santander is 9 hours, with an average of 3 hours of sunshine per day. The average wind speed in December is 13 km/h (8 mph), and the humidity level is around 73%.
The water temperature in Santander in December ranges from 14°C to 15°C (57°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 Santander for December is 15°C (59°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 Santander
What is the sea temperature in Santander in December?
The water temperature in the Bay of Biscay in Santander in December ranges from 14°C to 15°C (57°F to 59°F).
Is it possible to swim in the Bay of Biscay in Santander in December?
The average sea temperature in Santander in December is 15°C (59°F), and the air temperature is 13°C (56°F), so the water is cool, but many swimmers can tolerate it, especially with the sun out. Acclimatization is helpful.