Water temperature in Santander (Cantabria) in July

Is it warm enough to swim in Santander in July? Average water temperature in Santander in July is 20.3°C and therefore suitable for comfortable swimming. The warmest sea in Santander in July is 22.6°C, and the coldest is 17.9°C. Average high air temperature in Santander in July is 24°C, and average low temperature is 16°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Santander

Changes water temperature in Santander in July 2025, 2024

To get an accurate forecast for the water temperature in Santander for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Santander, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of July.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 July	20°C	19.6°C	18.2°C	20.4°C
2 July	19.9°C	19.5°C	17.9°C	20.4°C
3 July	20.1°C	19.7°C	18°C	20.5°C
4 July	20.3°C	19.6°C	18.2°C	20.6°C
5 July	20.2°C	19.7°C	18.3°C	20.8°C
6 July	20.9°C	19.8°C	18.5°C	21.1°C
7 July	21°C	19.6°C	18.6°C	21°C
8 July	20.7°C	19.7°C	18.6°C	20.7°C
9 July	20.4°C	19.9°C	18.4°C	21.1°C
10 July	20.1°C	20.1°C	18.8°C	21.4°C
11 July	20.4°C	20.2°C	18.9°C	21.3°C
12 July	20.2°C	20.2°C	19.1°C	21.1°C
13 July	20.2°C	20.1°C	19°C	21.5°C
14 July	20.5°C	20.6°C	19.2°C	21.3°C
15 July	20.6°C	20.6°C	19°C	21.4°C

Day	2025	2024	Min	Max
16 July	20.3°C	20.5°C	19.4°C	21.6°C
17 July	20.2°C	20.4°C	19.6°C	21.6°C
18 July	20.5°C	20.4°C	19.6°C	21.9°C
19 July	20.6°C	20.6°C	19.7°C	22.3°C
20 July	20.9°C	20.6°C	19.6°C	22.6°C
21 July	20.9°C	20.6°C	19.5°C	22.5°C
22 July	21.1°C	20.8°C	19.4°C	22.5°C
23 July	21.5°C	21.1°C	19.5°C	22.2°C
24 July	21.5°C	21.8°C	19.6°C	22.1°C
25 July	21.4°C	21.3°C	19.6°C	22.2°C
26 July	21.4°C	20.9°C	19.8°C	22.2°C
27 July	21.4°C	21.1°C	19.6°C	21.9°C
28 July	21.5°C	21.1°C	19.8°C	21.7°C
29 July	21.8°C	21°C	19.9°C	21.8°C
30 July	21.8°C	21.6°C	20.4°C	21.9°C
31 July	21.8°C	21.6°C	20.1°C	22°C

Average water temperature in Santander in July over a decade

2016	2017	2018	2019	2020
20.8°C	19.7°C	20.9°C	20°C	19.9°C

2021	2022	2023	2024	2025
19.8°C	19.8°C	20.8°C	20.5°C	20.8°C

Santander sea state in July

Chart comparing the height of waves in Santander in July over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Weather and climate in Santander in July

This data display average monthly climate indicators in Santander in July based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

Average HIGH temperature24°C
Average LOW temperature16°C
Average humidity
75
Average rainfall days7 days
Average rainfall2.1''/53mm
Average daylight15h
Average sunshine6h
Average UV index8

Santander water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in July. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Sardinero	20.3°C	17.9°C	22.6°C
Soto de la Marina	20.3°C	17.9°C	22.5°C
San Juan de la Canal	20.3°C	17.9°C	22.5°C
El Astillero	20.3°C	18°C	22.5°C
Loredo	20.4°C	17.9°C	22.7°C
Somo	20.4°C	17.9°C	22.7°C
Playa de la Magdalena	20.4°C	17.9°C	22.7°C
Langre	20.5°C	17.9°C	22.8°C
Galizano	20.5°C	17.9°C	22.8°C
Suances	20.2°C	17.9°C	22.4°C

Santander photo gallery

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Our report for Santander is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature