Measurements:
°C
°F
CURRENT WEATHER
00:12
Arcachon
50°F
NW 8 mph
Feels like: 46°F
Precip: 0%
World Resorts France Arcachon Weather

7 Day Weather Forecast

12.18
thu
DAY
58°F
NW 13 mph
precip
0%
NIGHT
54°F
NE 6 mph
precip
100%
12.19
fri
DAY
54°F
NE 9 mph
precip
100%
NIGHT
52°F
N 4 mph
precip
100%
12.20
sat
DAY
52°F
NE 6 mph
precip
0%
NIGHT
50°F
N 11 mph
precip
0%
12.21
sun
DAY
50°F
W 9 mph
precip
0%
NIGHT
46°F
N 6 mph
precip
27%
12.22
mon
DAY
46°F
W 7 mph
precip
0%
NIGHT
46°F
E 19 mph
precip
100%
12.23
tue
DAY
52°F
SE 17 mph
precip
100%
NIGHT
50°F
S 8 mph
precip
27%
12.24
wed
DAY
50°F
SW 6 mph
precip
78%
NIGHT
44°F
SW 6 mph
precip
0%

Arcachon Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Arcachon was 13.3°F. The maximum and minimum values were 12.6°F and 13.7°F respectively.

Arcachon on the Weather Map

Best Time to Visit Arcachon
The most sunny months:
August 18 days
September 17 days
July 17 days
The most warm months:
August 80.6 °F
July 79.8 °F
September 75.8 °F
Warmest sea temperature:
August 73.6 °F
July 72.1 °F
September 70.9 °F
The most cold months:
January 50.6 °F
February 52.5 °F
December 53.8 °F
The most rainy months:
November 6 days
December 6 days
January 6 days
The most windy months:
January 9 mph
December 9 mph
February 9 mph
more details