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.

72.8

°F

September 11, 09:38

Trend:

stable

Yesterday:

72.9°F

Tomorrow:

72.9°F

Sunrise:

07:42

Sunset:

20:26

Day Length:

12 h. 44 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 72.8°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 1.5°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 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 74.3°F on 2023, while the historical minimum was 69.4°F on 2019.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 72.5°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
Aug 28	74.7°F	73.0°F	72.8°F
Aug 29	73.8°F	73.1°F	72.7°F
Aug 30	73.7°F	72.9°F	72.7°F
Aug 31	73.7°F	72.1°F	72.3°F
Sep 1	73.1°F	71.8°F	72.2°F
Sep 2	73.0°F	71.9°F	72.1°F
Sep 3	73.7°F	71.5°F	72.0°F
Sep 4	73.8°F	71.3°F	71.8°F
Sep 5	73.3°F	70.9°F	71.7°F
Sep 6	73.4°F	70.6°F	71.7°F
Sep 7	73.5°F	71.3°F	71.9°F
Sep 8	73.2°F	71.3°F	71.7°F
Sep 9	73.0°F	71.1°F	71.7°F
Sep 10	72.9°F	70.8°F	71.3°F
Sep 11	72.8°F	70.6°F	71.2°F
Sep 12	72.9°F	70.4°F	71.3°F
Sep 13	72.9°F	70.3°F	71.3°F
Sep 14	72.7°F	69.5°F	71.1°F
Sep 15	72.4°F	69.4°F	70.9°F
Sep 16	72.3°F	69.4°F	70.8°F
Sep 17	72.1°F	69.5°F	70.6°F
Sep 18	71.9°F	69.1°F	70.4°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	72.8°F	17mi
Biarritz	72.5°F	24mi
Léon	71.2°F	52mi

* current water temperature in this city

** straight line distance from Donostia / San Sebastián