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.

67.3

°F

October 10, 18:54

Trend:

stable

Yesterday:

66.7°F

Tomorrow:

67.1°F

Sunrise:

08:15

Sunset:

19:34

Day Length:

11 h. 19 min.

Donostia / San Sebastián in October

Minimum:

53.7°F

Average:

55.9°F

Maximum:

57.9°F

Sea water temperature in Donostia / San Sebastián today

As of now, in Donostia / San Sebastián, the water temperature is 67.3°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 0.9°F higher 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 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 70.6°F on 2023, while the historical minimum was 64.4°F on 2018.

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 67.0°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
Sep 26	69.5°F	68.3°F	68.9°F
Sep 27	69.0°F	68.0°F	68.8°F
Sep 28	68.8°F	67.7°F	68.5°F
Sep 29	68.6°F	67.3°F	68.4°F
Sep 30	68.2°F	66.5°F	68.1°F
Oct 1	68.2°F	66.7°F	68.1°F
Oct 2	68.8°F	66.6°F	67.9°F
Oct 3	68.4°F	66.3°F	67.7°F
Oct 4	68.6°F	65.7°F	67.4°F
Oct 5	68.4°F	65.6°F	67.1°F
Oct 6	67.9°F	65.6°F	67.0°F
Oct 7	67.7°F	65.6°F	66.8°F
Oct 8	67.2°F	65.5°F	66.6°F
Oct 9	66.7°F	66.0°F	66.5°F
Oct 10	67.3°F	66.0°F	66.3°F
Oct 11	67.1°F	65.4°F	66.2°F
Oct 12	67.0°F	65.2°F	66.0°F
Oct 13	67.2°F	64.6°F	66.2°F
Oct 14	67.1°F	64.7°F	66.2°F
Oct 15	67.0°F	65.1°F	66.1°F
Oct 16	66.8°F	65.3°F	65.9°F
Oct 17	66.8°F	65.5°F	65.8°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 65.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Saint-Jean-de-Luz	67.2°F	17mi
Biarritz	66.7°F	24mi
Léon	66.0°F	52mi

* current water temperature in this city

** straight line distance from Donostia / San Sebastián