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.

57.5

°F

April 9, 22:01

Trend:

increasing

Yesterday:

56.9°F

Tomorrow:

57.9°F

Sunrise:

07:37

Sunset:

20:43

Day Length:

13 h. 6 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 57.5°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 1.8°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 57.5°F on 2020, while the historical minimum was 54.0°F on 2018.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 58.3°F, with minimum temperature starting at 57.9°F, while the maximum might reach 58.5°F.

Daily water temperature in Donostia / San Sebastián

Date	Current Year actual* / forecast**	last year	10 years average
Mar 26	55.3°F	55.7°F	55.0°F
Mar 27	55.5°F	55.7°F	55.1°F
Mar 28	55.3°F	55.2°F	55.0°F
Mar 29	55.2°F	55.6°F	55.3°F
Mar 30	55.9°F	55.5°F	55.6°F
Mar 31	55.5°F	55.2°F	55.5°F
Apr 1	55.5°F	55.6°F	55.3°F
Apr 2	55.9°F	56.9°F	55.5°F
Apr 3	55.4°F	56.4°F	55.4°F
Apr 4	55.4°F	56.2°F	55.4°F
Apr 5	56.7°F	57.0°F	55.6°F
Apr 6	56.4°F	57.0°F	55.7°F
Apr 7	57.3°F	56.9°F	55.8°F
Apr 8	56.9°F	56.0°F	55.8°F
Apr 9	57.5°F	55.7°F	55.8°F
Apr 10	57.9°F	58.1°F	56.1°F
Apr 11	58.1°F	58.4°F	56.3°F
Apr 12	58.1°F	57.4°F	56.3°F
Apr 13	58.2°F	57.5°F	56.4°F
Apr 14	58.5°F	58.2°F	56.7°F
Apr 15	58.5°F	57.7°F	56.8°F
Apr 16	58.5°F	57.4°F	56.8°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	59.3°F	17mi
Biarritz	59.0°F	24mi
Léon	57.9°F	52mi

* current water temperature in this city

** straight line distance from Donostia / San Sebastián