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Biarritz Monthly Climate Averages
Biarritz is located in oceanic climate that can be described as high humidity and moderate seasonal temperature fluctuations warm summer and soft but windy winter.
To help you choose the best time to travel, you can find climate data below on the weather in Biarritz .
| Month |  day |
 night |
 rain |
 |
| January | +12 | +4.8 | 129 | 9.9h |
| February | +12.8 | +5 | 112 | 11h |
| March | +15 | +7 | 104 | 12.5h |
| April | +16.2 | +8.5 | 130 | 14h |
| May | +19.6 | +11.6 | 114 | 15.3h |
| June | +22.1 | +14.6 | 88 | 16h |
| July | +24.1 | +16.7 | 69 | 15.6h |
| August | +24.7 | +17 | 98 | 14.4h |
| September | +23.2 | +14.5 | 120 | 12.9h |
| October | +20 | +11.9 | 152 | 11.5h |
| November | +15.1 | +7.7 | 186 | 10.2h |
| December | +12.5 | +5.5 | 150 | 9.6h |
High season with the best weather conditions for the beach leisure in Biarritz is typically August.
Temperature in Biarritz
The table shows that the hottest months in Biarritz are August and July, during which the average daytime temperature reaches +24.7°C and the nighttime temperature falls to +17°C.
The coldest months are January and December, when the daily average temperature falls to +12°C, and drops to +4.8°C during the night.
Most booked hotels in Biarritz
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Sea temperature
The month with the highest average monthly temperature in the Atlantic Ocean on the beaches of Biarritz is August with 23.1 degrees.
The coldest water can be found in February — 10.8degrees C.
Precipitation
The largest amount of precipitation falls on average in November and October, up to 186mm, and the least in July and June — up to 69mm.