18.12
thu
thu
Day
57°F
NW 14 mph
Precip.
0%
0%
Night
59°F
NE 14 mph
Precip.
66%
66%
19.12
fri
fri
Day
54°F
NE 6 mph
Precip.
100%
100%
Night
50°F
S 6 mph
Precip.
85%
85%
20.12
sat
sat
Day
52°F
NW 7 mph
Precip.
0%
0%
Night
50°F
N 11 mph
Precip.
0%
0%
21.12
sun
sun
Day
48°F
NE 4 mph
Precip.
86%
86%
Night
45°F
N 6 mph
Precip.
0%
0%
22.12
mon
mon
Day
48°F
NW 9 mph
Precip.
0%
0%
Night
50°F
N 14 mph
Precip.
75%
75%
23.12
tue
tue
Day
48°F
N 16 mph
Precip.
100%
100%
Night
52°F
NE 12 mph
Precip.
100%
100%
24.12
wed
wed
Day
52°F
E 14 mph
Precip.
100%
100%
Night
50°F
S 7 mph
Precip.
100%
100%
25.12
thu
thu
Day
52°F
SE 4 mph
Precip.
43%
43%
Night
50°F
NE 8 mph
Precip.
100%
100%
26.12
fri
fri
Day
52°F
E 7 mph
Precip.
27%
27%
Night
46°F
N 6 mph
Precip.
0%
0%
27.12
sat
sat
Day
48°F
NW 10 mph
Precip.
0%
0%
Night
50°F
SE 7 mph
Precip.
23%
23%
28.12
sun
sun
Day
54°F
SE 15 mph
Precip.
100%
100%
Night
48°F
N 3 mph
Precip.
100%
100%
29.12
mon
mon
Day
48°F
W 9 mph
Precip.
45%
45%
Night
45°F
S 5 mph
Precip.
57%
57%
30.12
tue
tue
Day
45°F
SW 5 mph
Precip.
0%
0%
Night
41°F
W 4 mph
Precip.
0%
0%
31.12
wed
wed
Day
43°F
W 6 mph
Precip.
0%
0%
Night
41°F
SW 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| Arcachon |
monthly
weather
weather
| Arcachon |
current
weather
weather
| Arcachon |
7 days
forecast
forecast
| Arcachon |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 55.9°F. The highest and lowest sea temperatures during the month were 56.7°F and 54.7°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 52.0°F. The highest and lowest sea temperatures during the month were 53.2°F and 50.7°F.
Air temperature in Arcachon, °F
Precipitation total in Arcachon, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Arcachon
Arcachon on a weather map
Places in France:
Name
°F
24 Hours Forecast
Arcachon
Local time: 17:38
December 18, thursday
1800
59°F
N
13 mph
13 mph
2100
57°F
N
11 mph
11 mph
December 19, friday
0000
59°F
NE
14 mph
14 mph
0300
55°F
NE
8 mph
8 mph
0600
55°F
NE
12 mph
12 mph
0900
54°F
NE
16 mph
16 mph
1200
54°F
NE
6 mph
6 mph
1500
52°F
S
9 mph
9 mph
