Sun, sea & sand

Saint-Jean-de-Luz weather in August

Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.

70

Holiday weather in August

Good

Best time to visit: July – August

What is the weather like in Saint-Jean-de-Luz in August?

In August, Saint-Jean-de-Luz is warm: daytime highs average 24 °C, and nights cool down to about 18 °C. The sea averages 22.4 °C – refreshing for a swim. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 67 mm in total. All in all, August is a good month for a holiday in Saint-Jean-de-Luz.

August compared

How the weather changes from July to September. Tap a month to open it.

JulyJulAugustAugSeptemberSep
Score637053
Day23°24°22°
Night17°18°16°
Sea22°22°21°
Sun7 h7 h6 h
Rain days111111

More details for August

Daylight
14 h 1 min07:11 – 21:12
UV index
8 · very highclear sky, noon (estimate)All months
Muggy days
11 daysdew point 18 °C or moreAll months
Wind
18 km/haverage daily peakAll months
Cloud cover
53 %on averageAll months
Hot days
2 days30 °C or moreAll months
Time zone
UTC+2Europe/Paris

How the score comes together

  • Temperatureweight 35 %82 %
  • Seaweight 25 %77 %
  • Sunshineweight 20 %60 %
  • Few rainy daysweight 20 %51 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in August

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Rain jacket or umbrella

Saint-Jean-de-Luz in August: quick answers

Is Saint-Jean-de-Luz hot in August?

Warm rather than hot: in August, daytime highs in Saint-Jean-de-Luz average 24 °C and nights cool to about 18 °C. On about 2 days the thermometer climbs to 30 °C or more.

Can you swim in Saint-Jean-de-Luz in August?

Yes. In August the sea averages 22.4 °C – refreshing for a swim.

Does it rain much in Saint-Jean-de-Luz in August?

Rain is frequent, with about 11 rainy days and 67 mm in total.

Saint-Jean-de-Luz month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences