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

86.0

°F

April 19, 11:08

Trend:

stable

Yesterday:

86.0°F

Tomorrow:

86.1°F

Sunrise:

05:27

Sunset:

17:52

Day Length:

12 h. 25 min.

San Sebastian in April

Minimum:

80.1°F

Average:

82.3°F

Maximum:

84.2°F

Sea water temperature in San Sebastian today

As of now, in San Sebastian, the water temperature is 86.0°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 0.7°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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming 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 86.7°F on 2020, while the historical minimum was 83.9°F on 2022.

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 maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 86.2°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 5 83.7°F 85.7°F 84.0°F
Apr 6 83.8°F 85.7°F 84.0°F
Apr 7 83.7°F 85.4°F 83.9°F
Apr 8 85.4°F 84.2°F 83.9°F
Apr 9 85.2°F 84.6°F 84.1°F
Apr 10 84.0°F 85.1°F 84.0°F
Apr 11 84.3°F 85.1°F 84.2°F
Apr 12 85.5°F 84.5°F 84.3°F
Apr 13 85.1°F 84.3°F 84.4°F
Apr 14 85.8°F 85.3°F 84.8°F
Apr 15 86.3°F 85.4°F 85.1°F
Apr 16 85.2°F 85.8°F 85.1°F
Apr 17 86.3°F 85.9°F 85.4°F
Apr 18 86.0°F 86.6°F 85.3°F
Apr 19 86.0°F 86.7°F 85.2°F
Apr 20 86.1°F 87.3°F 85.4°F
Apr 21 86.2°F 86.8°F 85.5°F
Apr 22 86.1°F 86.1°F 85.3°F
Apr 23 86.1°F 85.4°F 85.4°F
Apr 24 86.3°F 85.4°F 85.6°F
Apr 25 86.4°F 86.4°F 85.7°F
Apr 26 86.3°F 86.6°F 85.6°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 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 June 3, 2024, reaching a 89.7°F. While the coldest temperature occurred on January 13, 2015, dipping to 79.1°F. The average readings by season are 82.3°F in Winter, 84.8°F in Spring, 86.5°F in Summer, and 85.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Tacloban 85.7°F 32mi
Limon 85.0°F 42mi
Almeria 85.0°F 43mi
San Jose 85.5°F 50mi

* current water temperature in this city

** straight line distance from San Sebastian