Current sea water temperature:
+56.7°F
| Minimum sea water temperature in December: | 60.4°F |
| Maximum sea water temperature in December: | 52.7°F |
| Average sea water temperature in December: | 55.4°F |
| more information | |
14 days
forecast
forecast
| Arcachon |
monthly
weather
weather
| Arcachon |
Sea water temperature for the last 10 days:
| December 4 | 56.7°F | November 29 | 56.8°F |
| December 3 | 56.5°F | November 28 | 56.8°F |
| December 2 | 56.7°F | November 27 | 56.8°F |
| December 1 | 56.7°F | November 26 | 57.7°F |
| November 30 | 56.5°F | November 25 | 57.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Arcachon?
Based on the data about daily sea water temperature for the last three years the warmest sea in Arcachon was noticed in August, July and September.
Monthly Sea Temperatures in Arcachon, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 72.6°F. The highest and lowest sea temperatures during the month were 73.8°F and 71.2°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 70.9°F. The highest and lowest sea temperatures during the month were 73.0°F and 68.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 69.0°F. The highest and lowest sea temperatures during the month were 71.1°F and 65.7°F.
current
weather
weather
| Arcachon |
weather in
December
December
| Arcachon |
Best time for vacation in Arcachon
Arcachon on a weather map
Places in France:
Name
°F
24 Hours Forecast
Arcachon
Local time: 04:54
December 05, friday
0600
50°F
SE
9 mph
9 mph
0900
50°F
E
6 mph
6 mph
1200
52°F
NE
12 mph
12 mph
1500
50°F
N
13 mph
13 mph
1800
52°F
N
14 mph
14 mph
2100
55°F
NE
16 mph
16 mph
December 06, saturday
0000
57°F
NE
16 mph
16 mph
0300
59°F
NE
18 mph
18 mph
