Biarritz weather in July
July in Biarritz: nice, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Biarritz · #202 of 897 destinations to visit in July · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Biarritz in July
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Biarritz climate normals — July
| Daytime high | 24°C / 74°F | 😎 nice |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Rainfall | 38 mm / 1.5 in | 🌦 some rain |
| Rainy days | 7 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 17°C / 63°F | |
| Sunshine | 12.3 h/day | |
| Daylight | 15 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Biarritz in July — FAQ
- Is July a good time to visit Biarritz?
- July in Biarritz: nice, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Biarritz on SeasonMap's comfort score (89/100).
- What is the weather like in Biarritz in July?
- In July, Biarritz averages a daily high of 23.6°C and a low of 17.8°C, with about 38.1 mm of rain over roughly 7 rainy days.
- What is the air quality in Biarritz in July?
- Biarritz has a mean US Air Quality Index of about 42 in July.