16.08
sun
sun
Day

86°F
NE 7 mph
Precip.
3%
3%
Night

79°F
E 11 mph
Precip.
6%
6%
17.08
mon
mon
Day

88°F
SE 25 mph
Precip.
2%
2%
Night

84°F
SE 16 mph
Precip.
1%
1%
18.08
tue
tue
Day

84°F
N 5 mph
Precip.
2%
2%
Night

79°F
NE 8 mph
Precip.
3%
3%
19.08
wed
wed
Day

84°F
NW 9 mph
Precip.
3%
3%
Night

79°F
E 6 mph
Precip.
3%
3%
20.08
thu
thu
Day

84°F
NW 9 mph
Precip.
4%
4%
Night

79°F
NW 7 mph
Precip.
54%
54%
21.08
fri
fri
Day

77°F
E 13 mph
Precip.
20%
20%
Night

79°F
SE 14 mph
Precip.
3%
3%
22.08
sat
sat
Day

82°F
E 18 mph
Precip.
1%
1%
Night

77°F
E 11 mph
Precip.
4%
4%
23.08
sun
sun
Day

82°F
NW 9 mph
Precip.
2%
2%
Night

77°F
W 7 mph
Precip.
7%
7%
24.08
mon
mon
Day

82°F
NW 9 mph
Precip.
4%
4%
Night

77°F
NE 4 mph
Precip.
8%
8%
25.08
tue
tue
Day

81°F
E 17 mph
Precip.
5%
5%
Night

77°F
SE 20 mph
Precip.
2%
2%
26.08
wed
wed
Day

79°F
SE 24 mph
Precip.
1%
1%
Night

75°F
SE 19 mph
Precip.
1%
1%
27.08
thu
thu
Day

77°F
E 8 mph
Precip.
3%
3%
Night

68°F
NE 8 mph
Precip.
70%
70%
28.08
fri
fri
Day

73°F
W 6 mph
Precip.
7%
7%
Night

73°F
E 11 mph
Precip.
7%
7%
29.08
sat
sat
Day

73°F
E 19 mph
Precip.
2%
2%
Night

73°F
E 21 mph
Precip.
3%
3%
sea water
temperature
temperature
| La Seyne sur Mer |
monthly
weather
weather
| La Seyne sur Mer |
current
weather
weather
| La Seyne sur Mer |
7 days
forecast
forecast
| La Seyne sur Mer |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 80.8°F. The highest and lowest sea temperatures during the month were 82.4°F and 78.8°F.
Air temperature in La Seyne sur Mer, °F
Precipitation total in La Seyne sur Mer, in.
* Charts above show average data for the last 3 years.
Best time for vacation in La Seyne sur Mer
La Seyne sur Mer on a weather map
Places in France:
Name
°F
24 Hours Forecast
La Seyne sur Mer
Local time: 18:09
August 16, sunday
2100

81°F
E
13 mph
13 mph
August 17, monday
0000

79°F
E
11 mph
11 mph
0300

79°F
E
10 mph
10 mph
0600

77°F
SE
17 mph
17 mph
0900

81°F
SE
17 mph
17 mph
1200

88°F
SE
25 mph
25 mph
1500

91°F
SE
28 mph
28 mph
1800

90°F
E
22 mph
22 mph


























