Measurements:
°C
°F
Arcachon
52°F
S 12 mph
Feels like: 48°F
Precip: 74%
World Resorts France Arcachon Weather

7 Day Weather Forecast

03.31
tue
DAY
54°F
S 9 mph
precip
0%
NIGHT
54°F
SE 9 mph
precip
0%
04.01
wed
DAY
56°F
S 14 mph
precip
100%
NIGHT
52°F
S 14 mph
precip
86%
04.02
thu
DAY
52°F
S 5 mph
precip
100%
NIGHT
52°F
SE 7 mph
precip
60%
04.03
fri
DAY
56°F
E 7 mph
precip
0%
NIGHT
50°F
SW 1 mph
precip
0%
04.04
sat
DAY
64°F
NW 7 mph
precip
0%
NIGHT
60°F
NW 6 mph
precip
0%
04.05
sun
DAY
62°F
E 5 mph
precip
0%
NIGHT
56°F
W 5 mph
precip
0%
04.06
mon
DAY
64°F
NE 9 mph
precip
0%
NIGHT
56°F
NW 8 mph
precip
26%

Arcachon Sea Water Temperature in March, °F

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Arcachon was 12.6°F. The maximum and minimum values were 11.8°F and 13.6°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 50.5 °F
February 52.7 °F
December 53.8 °F
The most rainy months:
November 6 days
December 6 days
January 6 days
The most windy months:
January 10 mph
February 9 mph
December 9 mph