Biarritz weather in January
January in Biarritz: cool, soaked, with clean air — not the time — 14 rainy days.
#12 of 12 months in Biarritz · #804 of 897 destinations to visit in January · comfort 43/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Biarritz in January
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Biarritz climate normals — January
| Daytime high | 10°C / 51°F | 🙂 cool |
|---|---|---|
| Nighttime low | 5°C / 42°F | |
| Rainfall | 156 mm / 6.1 in | ⛈ soaked |
| Rainy days | 14 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 4°C / 40°F | |
| Sunshine | 6.1 h/day | |
| Daylight | 9.4 h | |
| Wind | 20 km/h / 12 mph | |
| Snowfall | 0.2 cm / 0.1 in | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Biarritz in January — FAQ
- Is January a good time to visit Biarritz?
- January in Biarritz: cool, soaked, with clean air — not the time — 14 rainy days. It ranks #12 of 12 months for Biarritz on SeasonMap's comfort score (43/100).
- What is the weather like in Biarritz in January?
- In January, Biarritz averages a daily high of 10.4°C and a low of 5.3°C, with about 156.1 mm of rain over roughly 14.4 rainy days.
- What is the air quality in Biarritz in January?
- Biarritz has a mean US Air Quality Index of about 37 in January.