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.

56.7

°F

December 21, 17:37

Trend:

increasing

Yesterday:

56.5°F

Tomorrow:

56.8°F

Sunrise:

08:37

Sunset:

17:35

Day Length:

8 h. 58 min.

Donostia / San Sebastián in December

Minimum:

53.6°F

Average:

55.7°F

Maximum:

57.7°F

Sea water temperature in Donostia / San Sebastián today

As of now, in Donostia / San Sebastián, the water temperature is 56.7°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 0.5°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. 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 59.1°F on 2022, while the historical minimum was 54.3°F on 2021.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 56.5°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
Dec 7	58.9°F	60.0°F	58.2°F
Dec 8	58.8°F	59.9°F	57.9°F
Dec 9	58.4°F	59.7°F	57.8°F
Dec 10	58.0°F	60.3°F	57.9°F
Dec 11	57.7°F	60.1°F	57.8°F
Dec 12	57.9°F	60.0°F	57.7°F
Dec 13	57.5°F	59.9°F	57.6°F
Dec 14	57.2°F	59.6°F	57.6°F
Dec 15	57.1°F	59.8°F	57.7°F
Dec 16	56.8°F	59.5°F	57.7°F
Dec 17	56.3°F	59.1°F	57.5°F
Dec 18	56.8°F	59.1°F	57.3°F
Dec 19	56.7°F	58.5°F	57.3°F
Dec 20	56.5°F	58.3°F	57.2°F
Dec 21	56.7°F	58.1°F	57.2°F
Dec 22	56.8°F	58.1°F	57.3°F
Dec 23	56.8°F	58.3°F	57.2°F
Dec 24	56.6°F	57.9°F	57.1°F
Dec 25	56.4°F	57.3°F	56.9°F
Dec 26	56.4°F	57.5°F	56.9°F
Dec 27	56.3°F	57.1°F	56.8°F
Dec 28	56.1°F	57.0°F	56.6°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, 70.3°F in Summer, and 65.7°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Saint-Jean-de-Luz	55.6°F	17mi
Biarritz	54.7°F	24mi
Léon	55.0°F	52mi

* current water temperature in this city

** straight line distance from Donostia / San Sebastián