All data are in degrees Fahrenheit

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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.
Sea temperature in Donostia / San Sebastián now

58.7

°F

December 8, 15:20

Trend:

decreasing

Yesterday:

59.6°F

Tomorrow:

58.5°F

Sunrise:

08:27

Sunset:

17:32

Day Length:

9 h. 5 min.

Donostia / San Sebastián in December

Minimum:

53.6°F

Average:

55.8°F

Maximum:

57.7°F

Sea water temperature in Donostia / San Sebastián today

As of now, in Donostia / San Sebastián, the water temperature is 58.7°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 0.8°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 fall a bit.

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 59.9°F on 2023, while the historical minimum was 56.4°F on 2020.

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 58.5°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
Nov 24 61.0°F 59.6°F 59.9°F
Nov 25 60.8°F 60.1°F 59.7°F
Nov 26 61.1°F 60.0°F 59.7°F
Nov 27 60.8°F 60.0°F 59.5°F
Nov 28 60.1°F 59.1°F 59.3°F
Nov 29 59.8°F 58.6°F 59.2°F
Nov 30 60.0°F 58.8°F 59.1°F
Dec 1 59.6°F 58.7°F 58.9°F
Dec 2 59.3°F 58.7°F 58.9°F
Dec 3 59.8°F 59.0°F 58.7°F
Dec 4 59.6°F 58.9°F 58.5°F
Dec 5 59.6°F 59.0°F 58.5°F
Dec 6 59.5°F 58.9°F 58.4°F
Dec 7 59.6°F 58.9°F 58.2°F
Dec 8 58.7°F 58.8°F 57.8°F
Dec 9 58.5°F 58.4°F 57.7°F
Dec 10 58.7°F 58.0°F 57.8°F
Dec 11 58.5°F 57.7°F 57.7°F
Dec 12 58.5°F 57.9°F 57.6°F
Dec 13 58.3°F 57.5°F 57.5°F
Dec 14 58.3°F 57.2°F 57.5°F
Dec 15 58.5°F 57.1°F 57.7°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 65.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Saint-Jean-de-Luz 59.4°F 17mi
Biarritz 58.2°F 24mi
Léon 57.9°F 52mi

* current water temperature in this city

** straight line distance from Donostia / San Sebastián