Beach
La Dune
New Aquitaine · France · Mediterranean Sea
43.8165, -1.4049 · Vieux-Boucau-les-Bains, 3 km
- 22°Sea · August
- 26°High · August
- 9.6 hSunshine · July
Your month at the beach
La Dune in January
- 11°CAir, daytime high6°C at night
- 12°CSea temperature
- 2.5 hSunshine a day
- 14 daysRainy days in the month107 mm in total
- 14 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
La Dune in February
- 11°CAir, daytime high5°C at night
- 12°CSea temperature
- 4.4 hSunshine a day
- 12 daysRainy days in the month76 mm in total
- 13 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
La Dune in March
- 14°CAir, daytime high7°C at night
- 12°CSea temperature
- 5.9 hSunshine a day
- 12 daysRainy days in the month77 mm in total
- 13 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
La Dune in April
- 17°CAir, daytime high9°C at night
- 13°CSea temperature
- 7.5 hSunshine a day
- 14 daysRainy days in the month74 mm in total
- 11 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
La Dune in May
- 20°CAir, daytime high12°C at night
- 16°CSea temperature
- 8.6 hSunshine a day
- 12 daysRainy days in the month78 mm in total
- 11 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
La Dune in June
- 24°CAir, daytime high15°C at night
- 19°CSea temperature
- 9.4 hSunshine a day
- 10 daysRainy days in the month64 mm in total
- 10 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
La Dune in July
- 26°CAir, daytime high17°C at night
- 21°CSea temperature
- 9.6 hSunshine a day
- 9 daysRainy days in the month44 mm in total
- 10 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
La Dune in August
- 26°CAir, daytime high17°C at night
- 22°CSea temperature
- 8.8 hSunshine a day
- 9 daysRainy days in the month46 mm in total
- 10 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
La Dune in September
- 24°CAir, daytime high15°C at night
- 21°CSea temperature
- 7.8 hSunshine a day
- 11 daysRainy days in the month57 mm in total
- 10 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
La Dune in October
- 20°CAir, daytime high13°C at night
- 18°CSea temperature
- 5.2 hSunshine a day
- 12 daysRainy days in the month83 mm in total
- 11 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
La Dune in November
- 14°CAir, daytime high9°C at night
- 16°CSea temperature
- 3.3 hSunshine a day
- 15 daysRainy days in the month126 mm in total
- 13 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
La Dune in December
- 11°CAir, daytime high6°C at night
- 14°CSea temperature
- 2.6 hSunshine a day
- 14 daysRainy days in the month101 mm in total
- 14 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
The beach itself
- GoodBathing water qualityOfficial EU classification, 2025 season
- LifeguardedLifeguardsUsually only in the bathing season · OpenStreetMap
- 45Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap
- 40 kmAirport: Biarritz Pays Basque airport (BIQ)In a straight line; by road it is further
No reliable information yet on: wheelchair access.
January from 2020 to 2025
In January 2025 the sea averaged 12.4 °C — about the same as the 1991–2020 average.
1991–2020 average: 12.5 °C
1991–2020 average: 10.8 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
February from 2020 to 2025
In February 2025 the sea averaged 12.5 °C — 0.7 °C above the 1991–2020 average.
1991–2020 average: 11.8 °C
1991–2020 average: 11.1 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
March from 2020 to 2025
In March 2025 the sea averaged 12.9 °C — 0.7 °C above the 1991–2020 average.
1991–2020 average: 12.2 °C
1991–2020 average: 14.0 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
April from 2020 to 2025
In April 2025 the sea averaged 14.7 °C — 1.2 °C above the 1991–2020 average.
1991–2020 average: 13.5 °C
1991–2020 average: 16.6 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
May from 2020 to 2025
In May 2025 the sea averaged 17.2 °C — 1.3 °C above the 1991–2020 average.
1991–2020 average: 15.9 °C
1991–2020 average: 19.7 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
June from 2020 to 2025
In June 2025 the sea averaged 20.8 °C — 2.0 °C above the 1991–2020 average.
1991–2020 average: 18.8 °C
1991–2020 average: 23.6 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
July from 2020 to 2025
In July 2025 the sea averaged 22.6 °C — 1.6 °C above the 1991–2020 average.
1991–2020 average: 21.0 °C
1991–2020 average: 25.5 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
August from 2020 to 2025
In August 2025 the sea averaged 22.9 °C — 1.0 °C above the 1991–2020 average.
1991–2020 average: 21.9 °C
1991–2020 average: 25.9 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
September from 2020 to 2025
In September 2025 the sea averaged 21.3 °C — 0.7 °C above the 1991–2020 average.
1991–2020 average: 20.6 °C
1991–2020 average: 23.8 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
October from 2020 to 2025
In October 2025 the sea averaged 19.1 °C — 0.9 °C above the 1991–2020 average.
1991–2020 average: 18.2 °C
1991–2020 average: 19.8 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
November from 2020 to 2025
In November 2025 the sea averaged 16.8 °C — 1.2 °C above the 1991–2020 average.
1991–2020 average: 15.7 °C
1991–2020 average: 14.4 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
December from 2020 to 2025
In December 2025 the sea averaged 15.0 °C — 1.4 °C above the 1991–2020 average.
1991–2020 average: 13.6 °C
1991–2020 average: 11.4 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
When to go
1991–2020 averagesThe year at a glance
- Jan12°2 h107 mm
- Feb12°4 h76 mm
- Mar12°6 h77 mm
- Apr13°8 h74 mm
- May16°9 h78 mm
- Jun19°9 h64 mm
- Jul21°10 h44 mm
- Aug22°9 h46 mm
- Sep21°8 h57 mm
- Oct18°5 h83 mm
- Nov16°3 h126 mm
- Dec14°3 h101 mm
Each card is a month. The colour is the sea temperature, on the same scale as the map; in bold, the two best months for each.
Sea temperature
1991–2020 averagesClimate through the year
1991–2020 averagesRain
Sunshine
Sunshine hours are estimated from measured solar radiation, not observed directly.
Month by month
1991–2020 averagesEvery month at La Dune: air, sea, rain and sunshine. Averages for 1991–2020.
| Month | High°C | Low°C | Sea°C | Rainmm | Rainy daysdays | Sunshineh/day | Windkm/h |
|---|---|---|---|---|---|---|---|
| January | 11 | 6 | 12 | 107 | 14 | 2.5 | 14 |
| February | 11 | 5 | 12 | 76 | 12 | 4.4 | 13 |
| March | 14 | 7 | 12 | 77 | 12 | 5.9 | 13 |
| April | 17 | 9 | 13 | 74 | 14 | 7.5 | 11 |
| May | 20 | 12 | 16 | 78 | 12 | 8.6 | 11 |
| June | 24 | 15 | 19 | 64 | 10 | 9.4 | 10 |
| July | 26 | 17 | 21 | 44 | 9 | 9.6 | 10 |
| Augustwarmest sea | 26 | 17 | 22 | 46 | 9 | 8.8 | 10 |
| September | 24 | 15 | 21 | 57 | 11 | 7.8 | 10 |
| October | 20 | 13 | 18 | 83 | 12 | 5.2 | 11 |
| November | 14 | 9 | 16 | 126 | 15 | 3.3 | 13 |
| December | 11 | 6 | 14 | 101 | 14 | 2.6 | 14 |
Swipe sideways to see the other columns.
About these numbers
Averages are for 1991–2020; the recent years (2020–2025) are what actually happened. Neither is today's weather.
| What | Where it comes from | Nearest measurement |
|---|---|---|
| Air, rain and sunshine | NASA POWER | 24 km away |
| Sea temperature | NOAA OISST v2.1, 1991–2020 | 7 km away |
| 2020–2025, month by month | NASA POWER · NOAA OISST v2.1 | 24 km away |
| Bathing water quality | European Environment Agency | 0.1 km away |
| Lifeguards and places to stay | OpenStreetMap | within 1–5 km |
| Nearest airport | OurAirports | straight-line distance |
| Image at the top | Sentinel-2 cloudless (EOX) | at this spot |