Biarritz weather in April
April in Biarritz: nice, rainy, with clean air — a great time to visit.
#6 of 12 months in Biarritz · #676 of 897 destinations to visit in April · comfort 73/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Biarritz in April
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Biarritz climate normals — April
| Daytime high | 16°C / 61°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 49°F | |
| Rainfall | 91 mm / 3.6 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 9°C / 48°F | |
| Sunshine | 9.9 h/day | |
| Daylight | 13.4 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 48 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Biarritz in April — FAQ
- Is April a good time to visit Biarritz?
- April in Biarritz: nice, rainy, with clean air — a great time to visit. It ranks #6 of 12 months for Biarritz on SeasonMap's comfort score (73/100).
- What is the weather like in Biarritz in April?
- In April, Biarritz averages a daily high of 16.1°C and a low of 9.5°C, with about 91.3 mm of rain over roughly 13.2 rainy days.
- What is the air quality in Biarritz in April?
- Biarritz has a mean US Air Quality Index of about 48 in April.