Spain > Donostia / San Sebastián

Water temperature in Donostia / San Sebastián

Detailed information about the current water temperature in Donostia / San Sebastián. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

55.8

°F

March 26, 05:35

Trend:

increasing

Yesterday:

55.6°F

Tomorrow:

55.9°F

Sunrise:

07:01

Sunset:

19:27

Day Length:

12 h. 26 min.

Donostia / San Sebastián in April

Minimum:

55.2°F

Average:

56.5°F

Maximum:

58.3°F

Sea water temperature in Donostia / San Sebastián today

As of now, in Donostia / San Sebastián, the water temperature is 55.8°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.8°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 56.9°F on 2024, while the historical minimum was 53.0°F on 2018.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 56.1°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Donostia / San Sebastián

Date	Current Year actual* / forecast**	last year	10 years average
Mar 12	55.0°F	55.5°F	54.5°F
Mar 13	55.4°F	55.6°F	54.7°F
Mar 14	55.5°F	55.5°F	54.6°F
Mar 15	55.3°F	55.1°F	54.6°F
Mar 16	54.9°F	55.0°F	54.6°F
Mar 17	54.9°F	54.8°F	54.9°F
Mar 18	55.7°F	55.0°F	54.9°F
Mar 19	56.1°F	55.2°F	54.9°F
Mar 20	55.7°F	55.9°F	54.9°F
Mar 21	55.7°F	55.6°F	54.9°F
Mar 22	55.7°F	55.8°F	54.9°F
Mar 23	55.3°F	55.6°F	54.8°F
Mar 24	55.4°F	55.5°F	54.8°F
Mar 25	55.6°F	55.7°F	54.8°F
Mar 26	55.8°F	55.7°F	55.0°F
Mar 27	55.9°F	55.7°F	55.1°F
Mar 28	55.7°F	55.2°F	54.9°F
Mar 29	56.1°F	55.6°F	55.3°F
Mar 30	56.4°F	55.5°F	55.5°F
Mar 31	56.3°F	55.2°F	55.5°F
Apr 1	56.1°F	55.6°F	55.3°F
Apr 2	56.3°F	56.9°F	55.5°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Donostia / San Sebastián by month

In an average year, Donostia / San Sebastián offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Donostia / San Sebastián was recorded on July 18, 2022, reaching a 77.3°F. While the coldest temperature occurred on February 26, 2018, dipping to 51.4°F. The average readings by season are 55.8°F in Winter, 57.4°F in Spring, 70.6°F in Summer, and 65.8°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Saint-Jean-de-Luz	56.9°F	17mi
Biarritz	56.7°F	24mi
Léon	55.9°F	52mi

* current water temperature in this city

** straight line distance from Donostia / San Sebastián