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.

57.7

°F

December 28, 18:09

Trend:

stable

Yesterday:

58.0°F

Tomorrow:

57.7°F

Sunrise:

08:40

Sunset:

17:39

Day Length:

8 h. 59 min.

Donostia / San Sebastián in January

Minimum:

54.6°F

Average:

56.4°F

Maximum:

59.1°F

Sea water temperature in Donostia / San Sebastián today

As of now, in Donostia / San Sebastián, the water temperature is 57.7°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 1.3°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 58.2°F on 2022, while the historical minimum was 55.1°F on 2021.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 57.7°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
Jan 1	57.7°F	54.6°F	56.4°F
Jan 2	57.8°F	55.6°F	56.4°F
Jan 3	57.7°F	55.7°F	56.4°F
Jan 4	57.7°F	55.6°F	56.4°F
Dec 14	58.0°F	57.2°F	57.5°F
Dec 15	58.3°F	57.1°F	57.7°F
Dec 16	58.4°F	56.8°F	57.7°F
Dec 17	58.7°F	56.3°F	57.5°F
Dec 18	58.5°F	56.8°F	57.3°F
Dec 19	58.6°F	56.7°F	57.3°F
Dec 20	58.4°F	56.5°F	57.2°F
Dec 21	58.2°F	56.7°F	57.1°F
Dec 22	58.5°F	56.6°F	57.3°F
Dec 23	58.3°F	56.7°F	57.2°F
Dec 24	58.2°F	56.8°F	57.1°F
Dec 25	57.9°F	56.5°F	56.9°F
Dec 26	58.3°F	56.3°F	56.9°F
Dec 27	58.0°F	56.0°F	56.8°F
Dec 28	57.7°F	55.4°F	56.4°F
Dec 29	57.7°F	55.1°F	56.4°F
Dec 30	57.7°F	55.0°F	56.4°F
Dec 31	57.7°F	54.5°F	56.4°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 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, 57.3°F in Spring, 70.6°F in Summer, and 65.7°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Saint-Jean-de-Luz	56.8°F	17mi
Biarritz	56.3°F	24mi
Léon	57.3°F	52mi

* current water temperature in this city

** straight line distance from Donostia / San Sebastián