Biarritz Weather in May
In Biarritz, May brings pleasant daytime temperatures around 20°C (68°F), with nights cooling to 13°C (55°F). Expect quite a bit of rainfall this month.
Rainfall in Biarritz in May
Historically, May sees about 17 days of rain, with a monthly average of 103 mm (4.1 in). Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Biarritz in May
May in Biarritz sees highs of 20°C (68°F) and lows of 13°C (55°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to around 13°C (55°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Biarritz in May
Expect a lot of sunshine this month, with about 192 hours of sun. These sunny conditions add to the overall experience.For Biarritz itself, June, July, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit France, check out our Biarritz's climate page.
Biarritz Temperature in May
Min Temperature
13°C (55°F)
Max Temperature
20°C (68°F)
Chance of Rain
55%
Precipitation
103 mm (4.1 in)
Rainy days
17 days
Humidity
78%
Sunshine
192 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Biarritz typically stay consistent throughout May, with daily highs averaging around 20°C (68°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 14°C (57°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Biarritz in May
Browse day-by-day weather records for Biarritz spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Biarritz historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Biarritz.
- On May 26, 2026, temperatures climbed to 34°C (93°F), marking the warmest May day on record.
- Biarritz experienced its chilliest May day on May 4, 1991, reaching only 10°C (50°F).
- The lowest overnight temperature recorded in May was 3°C (37°F) (May 7, 1997).
Best Places in France in May
Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in May →
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What to Wear in Biarritz in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Biarritz in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit France, check out our Biarritz's climate page.
Temperature Rainfall Sunshine Humidity
See the full Biarritz climate overview or explore weather in France.
