Click on a day for an hourly weather forecast
The temperatures in Arcachon in April are usually low and can range between 10°C and 17°C.
You can expect about 3 to 8 days of rain in Arcachon during the month of April. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Arcachon in April 2026.
If you’re planning to visit Arcachon in the near future, we highly recommend that you review the 14 day weather forecast for Arcachon before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 10° / 6° | 9 | 22 | 0 | 122 mm | Bad | Arcachon in January |
| February | 12° / 6° | 6 | 21 | 1 | 81 mm | Ok | Arcachon in February |
| March | 14° / 8° | 6 | 25 | 0 | 75 mm | Good | Arcachon in March |
| April | 17° / 10° | 5 | 25 | 0 | 68 mm | Good | Arcachon in April |
| May | 20° / 13° | 5 | 26 | 0 | 91 mm | Good | Arcachon in May |
| June | 23° / 16° | 6 | 24 | 0 | 120 mm | Perfect | Arcachon in June |
| July | 25° / 18° | 4 | 27 | 0 | 68 mm | Perfect | Arcachon in July |
| August | 26° / 18° | 3 | 28 | 0 | 60 mm | Perfect | Arcachon in August |
| September | 24° / 16° | 4 | 26 | 0 | 70 mm | Perfect | Arcachon in September |
| October | 20° / 13° | 5 | 26 | 0 | 98 mm | Good | Arcachon in October |
| November | 15° / 10° | 8 | 22 | 0 | 150 mm | Ok | Arcachon in November |
| December | 12° / 8° | 7 | 23 | 0 | 127 mm | Bad | Arcachon in December |