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.

59.4

°F

April 19, 23:29

Trend:

increasing

Yesterday:

58.4°F

Tomorrow:

59.7°F

Sunrise:

07:20

Sunset:

20:55

Day Length:

13 h. 35 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 59.4°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 2.6°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable 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 58.9°F on 2017, while the historical minimum was 55.2°F on 2019.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 60.0°F, with minimum temperature starting at 59.7°F, while the maximum might reach 60.4°F.

Daily water temperature in Donostia / San Sebastián

Date	Current Year actual* / forecast**	last year	10 years average
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	55.9°F
Apr 10	58.4°F	58.1°F	56.3°F
Apr 11	58.4°F	58.4°F	56.5°F
Apr 12	57.5°F	57.4°F	56.4°F
Apr 13	57.5°F	57.5°F	56.5°F
Apr 14	57.4°F	58.2°F	56.8°F
Apr 15	56.8°F	57.7°F	56.8°F
Apr 16	57.3°F	57.4°F	56.8°F
Apr 17	58.3°F	57.6°F	56.7°F
Apr 18	58.4°F	57.1°F	56.8°F
Apr 19	59.4°F	57.3°F	56.8°F
Apr 20	59.7°F	57.2°F	57.2°F
Apr 21	59.7°F	57.2°F	57.2°F
Apr 22	59.8°F	57.4°F	57.2°F
Apr 23	60.0°F	56.7°F	57.4°F
Apr 24	60.2°F	56.9°F	57.7°F
Apr 25	60.2°F	57.3°F	57.6°F
Apr 26	60.4°F	57.7°F	57.8°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	61.6°F	17mi
Biarritz	60.7°F	24mi
Léon	58.5°F	52mi

* current water temperature in this city

** straight line distance from Donostia / San Sebastián