Weather in Biarritz

Planning a trip to Biarritz? Check out the most up-to-date weather information, including detailed forecasts and charts presented below.

The climate in Biarritz can be characterised as mild maritime, shaped by the strong influence of the Atlantic Ocean. Moderate weather prevails here without extreme temperature fluctuations: winters are not severe, and summer delights with warmth without stifling heat. This makes the resort attractive to visit at practically any time of year, especially for those who do not tolerate intense heat well.

The summer season, lasting from June to September, brings comfortable temperatures in the range of 19–24°C, which is ideal for beach holidays and walks along the coast. Winter here is warm by European standards, with averages around 9–10°C, although the cold months account for the most rainfall.

A characteristic feature of the weather in Biarritz is rather high humidity and regular rainfall throughout the year. Even at the height of summer, rainy days are possible, though they usually do not drag on for long. Travellers should take this feature into account and always have an umbrella or raincoat with them while enjoying the fresh ocean breeze.

The climate in Biarritz is distinguished by pronounced mildness thanks to the immediate proximity of the Atlantic Ocean, which smooths out temperature peaks throughout the year. The annual temperature range here is quite comfortable for a European resort: the coldest month is traditionally January with average figures around 8-9°C, while the peak of warmth falls on August, when the air warms up on average to 21-24°C. It is rarely extremely hot or too cold here, creating favourable conditions for travellers sensitive to sharp weather changes.

Summer in this region of France can be characterised as pleasantly warm, but without exhausting swelter. In July and August, daily maximums usually reach 23-24°C, which is ideal for active leisure and walking, while nights remain warm (around 18°C). September often continues the summer trend, offering tourists a pleasant "Indian summer" with an average temperature of around 19-20°C. This is a time when the heat is no longer felt, but the air is still warm enough for a comfortable stay outdoors.

The winter period in Biarritz passes mildly and coolly; frosts here are a great rarity. Even on the coldest nights of January and February, the temperature rarely drops below 6-7°C, and during the day it often holds at the level of 10-13°C. Notably, the difference between day and night temperatures throughout the year is quite small — fluctuations usually amount to just 3-5 degrees. Such stability makes the climate predictable and allows for easy wardrobe planning for the trip.

The climate in Biarritz is under the strong influence of the Atlantic Ocean, which ensures regular rainfall throughout the year. There is no clearly defined dry season here, and even in the sunniest months, tourists should be ready for changeable weather. Rains often bring freshness from the ocean, but their character changes from season to season.

The wettest period is late autumn and early winter. The rainiest months are November and December, when the number of days with precipitation reaches 17 per month, and the volume of falling moisture is at its maximum. Prolonged rains prevail at this time of year, although thanks to mild temperatures (averaging around 10°C), snow falls extremely rarely.

Summer is considered the driest time of year, especially July and August, when precipitation intensity decreases to a minimum. However, even at the height of the holiday season, statistics record about 11–13 rainy days per month. Summer rainfall usually takes the character of short-term downpours or thunderstorms, which pass quickly, giving way to bright sunshine.

When packing for Biarritz, it is worth remembering its mild but changeable oceanic climate. The weather here can change several times a day, so the best strategy when choosing a wardrobe is the principle of layering. Even in summer, when the average temperature holds around 20–24°C, a fresh breeze often blows from the Atlantic, so a light jumper, hoodie, or cardigan will certainly come in handy for evening walks along the promenade. Also, take comfortable flat shoes with you, as the city invites long walking routes along the rocky coast.

Given the rainfall statistics (rain is possible in any month, from 11 to 17 days), a waterproof windbreaker or a stylish trench coat will become your best companions. An umbrella will not be superfluous either, but due to possible gusts of wind from the ocean, a high-quality raincoat often proves more practical. In the autumn-winter period, when the temperature drops on average to 8–12°C, add a warm scarf and closed waterproof shoes to your suitcase to feel comfortable watching the stormy waves.

If your trip falls during the summer season, do not forget swimwear, sunglasses, and high SPF cream — the sun on the coast can be active. However, even in July and August, do not neglect a light jacket in case of overcast days. Regardless of the season, give preference to clothing in the casual chic style, which will be appropriate both on the beach and in the elegant restaurants of this French resort.