Biarritz weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Poor
Best time to visit: July – August
What is the weather like in Biarritz in October?
In October, Biarritz is mild: daytime highs average 20 °C, and nights cool down to about 13 °C. The sea averages 18.6 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 109 mm in total. All in all, October is not an ideal month for a holiday in Biarritz.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 59 | 28 | 8 |
| Day | 23° | 20° | 14° |
| Night | 15° | 13° | 9° |
| Sea | 21° | 19° | 16° |
| Sun | 7 h | 6 h | 5 h |
| Rain days | 11 | 12 | 16 |
More details for October
- Daylight
- 11 h 6 min08:19 – 19:25
- UV index
- 3 · moderateclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 18 km/haverage daily peak
- Cloud cover
- 61 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+2Europe/Paris
How the score comes together
- Temperatureweight 35 %12 %
- Seaweight 25 %23 %
- Sunshineweight 20 %50 %
- Few rainy daysweight 20 %42 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Wetsuit for longer swims
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Biarritz in October: quick answers
Is Biarritz hot in October?
No. In October, Biarritz is mild: daytime highs average 20 °C and nights drop to about 13 °C.
Can you swim in Biarritz in October?
Only if you don't mind cold water: in October the sea averages just 18.6 °C. Comfortable swimming is possible from July to September.
Does it rain much in Biarritz in October?
Rain is frequent, with about 12 rainy days and 109 mm in total.
Biarritz month by month
The whole year in BiarritzAll destinations: France
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)