Sun, sea & sand

Biarritz weather in March

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

15

Holiday weather in March

Poor

Best time to visit: July – August

What is the weather like in Biarritz in March?

In March, Biarritz is cool: daytime highs average 14 °C, and nights cool down to about 7 °C. The sea averages 12.5 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 102 mm in total. All in all, March is not an ideal month for a holiday in Biarritz.

March compared

How the weather changes from February to April. Tap a month to open it.

FebruaryFebMarchMarAprilApr
Score111515
Day12°14°16°
Night5°7°9°
Sea12°13°14°
Sun4 h5 h6 h
Rain days131314

More details for March

Daylight
11 h 51 min07:21 – 19:11
UV index
4 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or more
Wind
20 km/haverage daily peak
Cloud cover
62 %on average
Hot days
0 days30 °C or more
Time zone
UTC+1Europe/Paris

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %38 %
  • Few rainy daysweight 20 %34 %

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

What to pack in March

  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella

Biarritz in March: quick answers

Is Biarritz hot in March?

No. In March, Biarritz is cool: daytime highs average 14 °C and nights drop to about 7 °C.

Can you swim in Biarritz in March?

Only if you don't mind cold water: in March the sea averages just 12.5 °C. Comfortable swimming is possible from July to September.

Does it rain much in Biarritz in March?

Rain is frequent, with about 13 rainy days and 102 mm in total.

Biarritz 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)