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.

72.1

°F

August 31, 22:43

Trend:

decreasing

Yesterday:

72.9°F

Tomorrow:

71.9°F

Sunrise:

07:30

Sunset:

20:46

Day Length:

13 h. 16 min.

Donostia / San Sebastián in September

Minimum:

53.6°F

Average:

56.0°F

Maximum:

57.8°F

Sea water temperature in Donostia / San Sebastián today

As of now, in Donostia / San Sebastián, the water temperature is 72.1°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is about the same as 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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. 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 73.0°F on 2018, while the historical minimum was 70.5°F on 2021.

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 shows a gradual cooling trend. The average temperature is expected to be 71.5°F, the minimum temperature may reach 71.3°F, and the maximum might stay at 71.9°F.

Daily water temperature in Donostia / San Sebastián

Date	Current Year actual* / forecast**	last year	10 years average
Aug 17	75.6°F	73.8°F	73.0°F
Aug 18	75.5°F	73.7°F	73.0°F
Aug 19	74.9°F	73.4°F	72.9°F
Aug 20	74.3°F	73.4°F	72.9°F
Aug 21	73.9°F	73.4°F	72.7°F
Aug 22	73.7°F	73.3°F	72.8°F
Aug 23	73.4°F	73.7°F	73.0°F
Aug 24	73.6°F	73.6°F	73.0°F
Aug 25	74.1°F	73.4°F	72.8°F
Aug 26	73.5°F	73.0°F	72.7°F
Aug 27	73.3°F	73.0°F	72.6°F
Aug 28	73.0°F	72.3°F	72.5°F
Aug 29	73.1°F	72.1°F	72.5°F
Aug 30	72.9°F	72.2°F	72.5°F
Aug 31	72.1°F	72.0°F	72.1°F
Sep 1	71.9°F	72.6°F	72.0°F
Sep 2	71.8°F	73.0°F	71.9°F
Sep 3	71.6°F	72.8°F	71.7°F
Sep 4	71.4°F	72.5°F	71.5°F
Sep 5	71.3°F	72.3°F	71.4°F
Sep 6	71.4°F	72.1°F	71.5°F
Sep 7	71.5°F	71.7°F	71.6°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 55.7°F in Winter, 57.3°F in Spring, 70.6°F in Summer, and 65.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Saint-Jean-de-Luz	73.0°F	17mi
Biarritz	72.4°F	24mi
Léon	72.0°F	52mi

* current water temperature in this city

** straight line distance from Donostia / San Sebastián