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Sea Temperature in San Sebastian in April
Complete information on the sea temperature range in the Bay of Biscay in San Sebastian in April. Historical daily data. Climate details for April. Tips on swimming conditions and beach relaxation in San Sebastian. 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 San Sebastian in April
11°C
MINIMUN
13.5°C
AVERAGE
16°C
MAXIMUM
Historical Data of Water Temperature in April in San Sebastian
Water Temperature Chart for Bay of Biscay in San Sebastian in April
Sea Temperature Table in San Sebastian in April Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Apr 1 | 13°C | 14°C | 14°C | 13.5°C |
| Apr 2 | 14°C | 13°C | 13°C | 13.3°C |
| Apr 3 | 13°C | 14°C | 13°C | 13.3°C |
| Apr 4 | 14°C | 14°C | 13°C | 13.5°C |
| Apr 5 | 14°C | 14°C | 13°C | 13.8°C |
| Apr 6 | 14°C | 14°C | 14°C | 13.8°C |
| Apr 7 | 13°C | 14°C | 14°C | 13.5°C |
| Apr 8 | 14°C | 14°C | 14°C | 13.8°C |
| Apr 9 | 13°C | 15°C | 14°C | 14.0°C |
| Apr 10 | 13°C | 14°C | 14°C | 13.5°C |
| Apr 11 | 14°C | 15°C | 15°C | 14.3°C |
| Apr 12 | 13°C | 15°C | 15°C | 14.0°C |
| Apr 13 | 14°C | 15°C | 15°C | 14.5°C |
| Apr 14 | 13°C | 15°C | 15°C | 14.3°C |
| Apr 15 | 13°C | 16°C | 15°C | 14.5°C |
| Apr 16 | 13°C | 16°C | 15°C | 14.8°C |
| Apr 17 | 14°C | 15°C | 15°C | 14.5°C |
| Apr 18 | 13°C | 15°C | 15°C | 14.3°C |
| Apr 19 | 13°C | 16°C | 15°C | 14.5°C |
| Apr 20 | 14°C | 16°C | 14°C | 14.5°C |
| Apr 21 | 14°C | 16°C | 14°C | 14.5°C |
| Apr 22 | 14°C | 16°C | 14°C | 14.5°C |
| Apr 23 | 14°C | 16°C | 14°C | 14.5°C |
| Apr 24 | 15°C | 16°C | 14°C | 14.8°C |
| Apr 25 | 15°C | 16°C | 14°C | 14.8°C |
| Apr 26 | 14°C | 16°C | 14°C | 14.5°C |
| Apr 27 | 15°C | 16°C | 14°C | 14.8°C |
| Apr 28 | 15°C | 16°C | 14°C | 14.8°C |
| Apr 29 | 15°C | 16°C | 14°C | 14.8°C |
San Sebastian Climate and Swimming Opportunities in April
16°C
Average Day Air Temperature
9°C
Average Night Air Temperature
120 mm
Precipitation Amount per Month
14 days
Number of Rainy Days
13 hrs
Daylight
per Day
5 hrs
Sunshine
per Day
15 km/h
Average Wind Speed
75%
Average
humidity
San Sebastian lies within the Basque Country in Spain. The average daytime temperature in San Sebastian in April is 16°C (61°F), while the nighttime average is 9°C (47°F). There are typically 14 rainy days during the month, with a total precipitation of 120 mm (4.7 inches). The daylight duration in April in San Sebastian is 13 hours, with an average of 5 hours of sunshine per day. The average wind speed in April is 15 km/h (9 mph), and the humidity level is around 75%.
The water temperature in San Sebastian in April ranges from 13°C to 14°C (55°F to 57°F). At the beginning of the month, the average temperature is around 14°C (57°F), shifting to 14°C (57°F) by mid-April and reaching 15°C (59°F) in the last ten days. Overall, the average sea temperature in San Sebastian for April is 14°C (57°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.
Sea Temperature in April in Nearby Cities
Frequently Asked Questions About Water Temperatures in April in San Sebastian
What is the sea temperature in San Sebastian in April?
The water temperature in the Bay of Biscay in San Sebastian in April ranges from 13°C to 14°C (55°F to 57°F).
Is it possible to swim in the Bay of Biscay in San Sebastian in April?
The average sea temperature in San Sebastian in April is 14°C (57°F), and the air temperature is 16°C (61°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.