Best time to visit Biarritz

The best time to visit Biarritz is during July and August when the weather is warm and sunny.

However, anytime between June and September is good for a range of outdoor activities.


Biarritz weather

Biarritz has a oceanic climate throughout the year, mainly as a result of the influence of the Gulf Stream. You can expect cold, wet winters and warm, pleasant summers.

Rain falls throughout the year in Biarritz due to the city's proximity to the Pyrenees.

What is the best month to visit Biarritz?
July and August are the best months to visit Biarritz – the weather is warm with sunny with mainly clear blue skies and little or no rainfall.

July is the sunniest month in Biarritz.

However, anytime from June to September is considered good, since these months receive the least rainfall.

Which is the hottest month in Biarritz?
The hottest month of the year in Biarritz is normally August, with an average daily high temperature of 25°C (77°F), with moderate heat and humidity, and a low of 17°C (62°F).

However, on the warmest days of the month, the temperature may reach and exceed 35°C (95°F).

The arm summer season lasts from mid-June to late-September, with an average daily high temperature above 22°C (71°F).

Which is the coldest month in Biarritz?
The coldest month of the year in Biarritz is January, with an average high of 12°C (53°F) and a low of 5°C (41°F).

The cool winter season lasts from late-November to mid-March, with an average daily high temperature below 15°C (59°F).

Which is the sunniest month in Biarritz?
The sunniest time of year in Biarritz is usually July with an average of eight hours of sunshine per day; that's on average 51% of daylight hours.

When is the sea warmest in Biarritz?
The sea is usually at its warmest in Biarritz in August when the water temperature reaches 22°C (71°F), which is cool for swimming.

The sea temperature never gets warm in Biarritz.

Which month has the most rain in Biarritz?
November is usually the wettest month in Biarritz with 185mm (7in) of rainfall on average. There are normally 13 days in November with some rain.

The wet season lasts from mid-September through May, with a greater than 27% chance of a given day being a wet day.

The drier season lasts from April to mid-September. July has the least rainfall.

Which is the windiest month in Biarritz?
The windiest month of the year in Biarritz is December, with an average hourly wind speed of 16 kilometres per hour (8 knots; 10 mph).

The windy part of the year lasts from mid-October to late-April, with average wind speeds of more than 13 kilometres per hour (7 knots; 9 mph).

The less-windy time of year lasts from late-April to mid-October. The calmest month of the year in Biarritz is August, with an average hourly wind speed of 11 kilometres per hour (6 knots; 8 mph).

The predominant average hourly wind direction varies throughout the year in Biarritz.


Biarritz Weather Averages

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average high temperature (°C)
12 13 15 17 20 22 24 25 23 20 15 13
Average low temperature (°C)
5 6 8 9 12 15 17 17 15 12 8 6
Average daily sunshine (hrs)
3 4 5 6 6 7 8 7 6 5 4 3
Average daily daylight (hrs)
9 10 12 13 14 15 15 14 12 11 10 9
Comfort level
Cold, no heat & humidity Cold, no heat & humidity No heat & humidity No heat & humidity No heat & humidity Low heat & humidity icon Low heat & humidity icon Low heat & humidity icon Low heat & humidity icon No heat & humidity No heat & humidity Cold, no heat & humidity
Average relative humidity (%)
80 75 75 80 80 80 80 80 80 80 80 80
UV Index (max)
1 2 4 6 7 8 8 7 5 4 2 1
Average days of rainfall (≥1mm)
13 12 12 14 13 10 9 10 10 13 13 13
Average monthly rainfall (mm)
130 110 105 130 115 90 70 100 120 150 185 150
Average wind speed (km/h)
15 15 14 14 12 11 11 11 12 13 15 16
Average sea temperature (°C)
13 12 12 13 15 18 21 22 20 18 15 13
Biarritz, France

Holiday seasons

High season: July and August are the peak season months. Biarritz is the surfing capital of France and hosts the weeklong annual Biarritz Surf Festival in July, when advance hotel bookings are required.

Typically, peak season in France revolves around school holidays – Christmas and New Year, mid-February to mid-March, Easter, July and August. Expect high hotel prices, packed beaches and traffic-clogged roads.

High season: Spring and Autumn offer the best deals and reasonable weather despite the occasional rain showers.


Source: Meteorological data for Biarritz is based on weather statistics gathered for the 30-year period 1991 to 2020 by Météo-France at the closest weather station: Biarritz Pays Basque Airport (BIQ), located about 3km (1.8mi) southeast of Biarritz.

Advice on the best time to visit a particular destination is based on average local weather statistics, when the weather conditions are generally better than at other times of the year. We consider high and low temperatures, risk of rain (and thunderstorms, etc.), amount of sunshine and sea temperature. For general outdoor activities we favour clear, rainless days with a temperature range between 18°C (64°F) and 27°C (80°F); and for hot-weather activities we favour clear, rainless days with a temperature range between 24°C (75°F) and 32°C (89°F). Often, the best times to visit correspond to high season and therefore involve higher prices.


More about Biarritz…


Latest update: Best time to visit Biarritz: 12 May, 2024


Disclaimer: The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data and conditions at any given location and time are unpredictable and variable. We assume no responsibility and can not be held legally responsible for any decisions made on the basis of the information presented on this site.



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