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.

75.0

°F

August 28, 09:15

Trend:

decreasing

Yesterday:

75.2°F

Tomorrow:

74.9°F

Sunrise:

07:27

Sunset:

20:51

Day Length:

13 h. 24 min.

Donostia / San Sebastián in September

Minimum:

53.6°F

Average:

56.1°F

Maximum:

57.8°F

Sea water temperature in Donostia / San Sebastián today

As of now, in Donostia / San Sebastián, the water temperature is 75.0°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.3°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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 74.7°F on 2023, while the historical minimum was 71.3°F on 2021.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 74.4°F, the minimum temperature may reach 74.0°F, and the maximum might stay at 74.9°F.

Daily water temperature in Donostia / San Sebastián

Date	Current Year actual* / forecast**	last year	10 years average
Aug 14	75.5°F	74.6°F	73.1°F
Aug 15	75.2°F	74.6°F	73.1°F
Aug 16	75.1°F	76.0°F	73.2°F
Aug 17	75.6°F	75.6°F	73.4°F
Aug 18	75.7°F	75.5°F	73.5°F
Aug 19	75.5°F	74.9°F	73.4°F
Aug 20	75.6°F	74.3°F	73.4°F
Aug 21	75.7°F	73.9°F	73.2°F
Aug 22	76.0°F	73.7°F	73.3°F
Aug 23	75.4°F	73.4°F	73.3°F
Aug 24	75.7°F	73.6°F	73.4°F
Aug 25	75.7°F	74.1°F	73.4°F
Aug 26	75.1°F	73.5°F	73.1°F
Aug 27	75.2°F	73.3°F	72.9°F
Aug 28	75.0°F	73.0°F	72.6°F
Aug 29	74.9°F	73.1°F	72.6°F
Aug 30	74.9°F	72.9°F	72.6°F
Aug 31	74.5°F	72.1°F	72.2°F
Sep 1	74.4°F	71.8°F	72.1°F
Sep 2	74.4°F	71.9°F	72.0°F
Sep 3	74.1°F	71.5°F	71.8°F
Sep 4	74.0°F	71.3°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 Donostia / San Sebastián, there are only 6 days through the year when the water is warm enough to be comfortable for swimming.

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, 57.5°F in Spring, 70.8°F in Summer, and 65.8°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Saint-Jean-de-Luz	75.1°F	17mi
Biarritz	74.9°F	24mi
Léon	73.7°F	52mi

* current water temperature in this city

** straight line distance from Donostia / San Sebastián