18.08
tue
tue
Day

73°F
SW 8 mph
Precip.
5%
5%
Night

68°F
N 3 mph
Precip.
11%
11%
19.08
wed
wed
Day

70°F
S 6 mph
Precip.
9%
9%
Night

68°F
NE 1 mph
Precip.
26%
26%
20.08
thu
thu
Day

70°F
SE 4 mph
Precip.
13%
13%
Night

70°F
SE 2 mph
Precip.
72%
72%
21.08
fri
fri
Day

66°F
E 4 mph
Precip.
59%
59%
Night

66°F
NW 1 mph
Precip.
30%
30%
22.08
sat
sat
Day

64°F
SW 2 mph
Precip.
56%
56%
Night

68°F
W 8 mph
Precip.
18%
18%
23.08
sun
sun
Day

66°F
NW 3 mph
Precip.
21%
21%
Night

66°F
N 3 mph
Precip.
40%
40%
24.08
mon
mon
Day

64°F
E 6 mph
Precip.
79%
79%
Night

66°F
W 4 mph
Precip.
12%
12%
25.08
tue
tue
Day

66°F
E 8 mph
Precip.
7%
7%
Night

64°F
NW 8 mph
Precip.
16%
16%
26.08
wed
wed
Day

70°F
W 12 mph
Precip.
15%
15%
Night

66°F
NW 5 mph
Precip.
19%
19%
27.08
thu
thu
Day

68°F
SE 6 mph
Precip.
12%
12%
Night

66°F
NW 2 mph
Precip.
6%
6%
28.08
fri
fri
Day

66°F
SE 4 mph
Precip.
17%
17%
Night

66°F
NE 5 mph
Precip.
19%
19%
29.08
sat
sat
Day

68°F
E 4 mph
Precip.
3%
3%
Night

68°F
NE 9 mph
Precip.
14%
14%
30.08
sun
sun
Day

70°F
N 7 mph
Precip.
32%
32%
Night

68°F
NE 3 mph
Precip.
25%
25%
31.08
mon
mon
Day

68°F
E 21 mph
Precip.
37%
37%
Night

68°F
E 21 mph
Precip.
36%
36%
sea water
temperature
temperature
| Santander |
monthly
weather
weather
| Santander |
current
weather
weather
| Santander |
7 days
forecast
forecast
| Santander |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 71.9°F. The highest and lowest sea temperatures during the month were 74.3°F and 70.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.8°F. The highest and lowest sea temperatures during the month were 70.2°F and 66.9°F.
Air temperature in Santander, °F
Precipitation total in Santander, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Santander
Santander on a weather map
Places in Spain:
Name
°F
24 Hours Forecast
Santander
Local time: 10:41
August 18, tuesday
1200

73°F
SW
8 mph
8 mph
1500

73°F
SW
10 mph
10 mph
1800

73°F
SW
10 mph
10 mph
2100

72°F
SW
4 mph
4 mph
August 19, wednesday
0000

68°F
N
3 mph
3 mph
0300

68°F
N
3 mph
3 mph
0600

66°F
N
4 mph
4 mph
0900

68°F
N
3 mph
3 mph


























