Biarritz climate by month
In Biarritz, the warmest month is August, with average highs of 28 °C, and the coldest is January, with average lows of 4.3 °C. About 1188 mm of rain falls each year over 157 days; November is the wettest month (159 mm) and July the driest (47 mm).
Best time to visit Biarritz: for mild, mostly dry days, aim for July, August, September, October.
| Month | Avg high | Avg low | Rain | Rainy days |
|---|---|---|---|---|
| January | 10.2 °C | 4.3 °C | 133 mm | 15 |
| February | 12.2 °C | 5.4 °C | 103 mm | 12 |
| March | 14.2 °C | 6.7 °C | 101 mm | 15 |
| April | 16.9 °C | 8.4 °C | 83 mm | 13 |
| May | 19.8 °C | 11.5 °C | 83 mm | 15 |
| June | 23.5 °C | 15 °C | 99 mm | 14 |
| July | 26.8 °C | 16.9 °C | 47 mm | 9 |
| August | 28 °C | 17.3 °C | 56 mm | 10 |
| September | 24.7 °C | 15.2 °C | 99 mm | 12 |
| October | 20.8 °C | 12.4 °C | 100 mm | 13 |
| November | 15 °C | 8.4 °C | 159 mm | 16 |
| December | 12.6 °C | 6.6 °C | 125 mm | 13 |
2015–2024 averages computed from NASA POWER data (about 50 km grid: values may differ slightly from a city weather station, especially on the coast or in the mountains).
Frequently asked questions
What is the 15-day weather forecast for Biarritz?
The first 10 days come from the forecast model of the Norwegian Meteorological Institute (MET Norway), updated several times a day. After that, we show the outlook: the normal temperatures in Biarritz for the time of year and the chance of rain, based on the last 10 years.
Is there a 30-day forecast for Biarritz?
No model can reliably forecast the weather on a specific day 30 days ahead. The outlook shows what is typical in Biarritz at that time of year: a good basis for planning a trip, to be checked against the 10-day forecast as the date gets closer.
What is the hottest month in Biarritz?
August, with average highs of 28 °C. The coldest month is January, with average lows of 4.3 °C.
What is the rainiest month in Biarritz?
November. The driest month is July. On average it rains on 157 days a year in Biarritz, for about 1188 mm of precipitation.
How can I check past weather in Biarritz?
Pick a date in the "Past weather" section to see the high and low temperatures and the rain recorded that day, how it compared with normal, and the same day in previous years.
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