All data are in degrees Fahrenheit

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Water temperature in San Sebastian

Detailed information about the current water temperature in San Sebastian. 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 San Sebastian now

83.0

°F

April 21, 01:23

Trend:

increasing

Yesterday:

82.9°F

Tomorrow:

83.1°F

Sunrise:

05:39

Sunset:

18:16

Day Length:

12 h. 37 min.

San Sebastian in April

Minimum:

81.4°F

Average:

82.5°F

Maximum:

83.6°F

Sea water temperature in San Sebastian today

As of now, in San Sebastian, the water temperature is 83.0°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 1.8°F lower 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 minimum temperature for this date. The maximum temperature recorded for this date was 86.8°F on 2019, while the historical minimum was 83.5°F on 2020.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 83.1°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in San Sebastian

Date Current Year

actual* / forecast**

last year 10 years average
Apr 7 82.7°F 83.6°F 83.4°F
Apr 8 83.4°F 84.1°F 83.6°F
Apr 9 83.4°F 84.3°F 83.5°F
Apr 10 83.0°F 84.6°F 83.5°F
Apr 11 83.3°F 84.7°F 83.8°F
Apr 12 83.6°F 84.2°F 83.9°F
Apr 13 83.4°F 84.5°F 84.1°F
Apr 14 83.3°F 84.1°F 84.2°F
Apr 15 83.4°F 84.1°F 84.3°F
Apr 16 83.9°F 84.1°F 84.3°F
Apr 17 83.5°F 84.3°F 84.4°F
Apr 18 83.0°F 85.0°F 84.5°F
Apr 19 83.1°F 85.0°F 84.5°F
Apr 20 82.9°F 85.0°F 84.7°F
Apr 21 83.0°F 85.1°F 84.8°F
Apr 22 83.1°F 85.3°F 84.9°F
Apr 23 83.1°F 85.7°F 84.9°F
Apr 24 83.0°F 85.2°F 84.9°F
Apr 25 83.1°F 85.0°F 85.0°F
Apr 26 83.2°F 84.7°F 85.0°F
Apr 27 83.2°F 84.8°F 85.0°F
Apr 28 83.4°F 84.9°F 85.2°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 San Sebastian by month

In San Sebastian, the water temperature is comfortable for swimming all year round.
The warmest water in San Sebastian was recorded on July 20, 2024, reaching a 89.5°F. While the coldest temperature occurred on February 27, 2023, dipping to 77.8°F. The average readings by season are 82.1°F in Winter, 84.4°F in Spring, 86.5°F in Summer, and 85.3°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Santo Domingo 82.7°F 3mi
San Juan 82.5°F 10mi
Santa Maria 82.8°F 19mi
Burgos 82.9°F 22mi
Santiago 83.0°F 23mi
Santa Maria 83.1°F 47mi
Burgos 81.0°F 64mi
San Juan 82.8°F 66mi
Pamplona 81.6°F 87mi

* current water temperature in this city

** straight line distance from San Sebastian