Biarritz weather in May
Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Poor
Best time to visit: July – August
What is the weather like in Biarritz in May?
In May, Biarritz is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. The sea averages 16.1 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 94 mm in total. All in all, May is not an ideal month for a holiday in Biarritz.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 14 h 40 min06:42 – 21:22
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 19 km/haverage daily peak
- Cloud cover
- 65 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+2Europe/Paris
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %55 %
- Few rainy daysweight 20 %31 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in May
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Biarritz in May: quick answers
Is Biarritz hot in May?
No. In May, Biarritz is mild: daytime highs average 19 °C and nights drop to about 12 °C.
Can you swim in Biarritz in May?
Only if you don't mind cold water: in May the sea averages just 16.1 °C. Comfortable swimming is possible from July to September.
Does it rain much in Biarritz in May?
Rain is frequent, with about 14 rainy days and 94 mm in total.
Biarritz month by month
The whole year in BiarritzAll destinations: FranceWhere to go in MaySea temperature in May
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)