Town in Nouvelle-Aquitaine, France
Biarritz weather by month and the best time to visit
When to go to Biarritz
Late spring and September are warm with fewer crowds. July–August is busy and costly; autumn has the best surf swells, winter is wet.
Biarritz weather by month
Average daily high, rainfall and conditions.
- Jan11°121 mm
- Feb11°90 mm
- Mar14°89 mm
- Apr17°88 mm
- May20°89 mm
- Jun24°73 mm
- Jul27°51 mm
- Aug27°53 mm
- Sep25°65 mm
- Oct21°93 mm
- Nov14°144 mm
- Dec11°112 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 11°C51°F | 5°C41°F | 121 mm | 87% | Cold |
| February | 11°C52°F | 4°C40°F | 90 mm | 84% | Cool |
| March | 14°C58°F | 7°C44°F | 89 mm | 81% | Cool |
| April | 17°C63°F | 9°C48°F | 88 mm | 80% | Cool |
| May | 20°C68°F | 12°C53°F | 89 mm | 80% | Pleasant |
| June | 24°C76°F | 15°C59°F | 73 mm | 77% | Pleasant |
| July | 27°C80°F | 17°C62°F | 51 mm | 74% | Pleasant |
| August | 27°C81°F | 17°C63°F | 53 mm | 70% | Pleasant |
| September | 25°C77°F | 15°C59°F | 65 mm | 71% | Pleasant |
| October | 21°C69°F | 12°C54°F | 93 mm | 76% | Pleasant |
| November | 14°C58°F | 8°C46°F | 144 mm | 84% | Cool |
| December | 11°C53°F | 5°C42°F | 112 mm | 86% | Cool |
Best months across France
| Place | Best months | Warmest month |
|---|---|---|
| Paris | Apr–Jun, Sep–Oct | Jul (25°C) |
| Nice | May–Jun, Sep–Oct | Aug (26°C) |
| Provence | May–Jun, Sep–Oct | Jul (32°C) |
| French Riviera | May–Jun, Sep–Oct | Aug (26°C) |
| Lyon | Apr–Jun, Sep–Oct | Jul (28°C) |
| Marseille | Apr–Jun, Sep–Oct | Jul (33°C) |
| Bordeaux | May–Jun, Sep–Oct | Aug (28°C) |
| Cannes | May–Jun, Sep–Oct | Jul (30°C) |
| Strasbourg | May–Jun, Sep–Oct, Dec | Jul (27°C) |
| Chamonix | Jun–Sep, Dec–Mar | Jul (22°C) |
| Annecy | May–Jul, Sep | Jul (26°C) |
| Corsica | May–Jun, Sep–Oct | Aug (30°C) |
| Aix-en-Provence | Apr–Jun, Sep–Oct | Jul (32°C) |
| Toulouse | Apr–Jun, Sep–Oct | Jul (30°C) |
| Loire Valley | May–Jun, Sep–Oct | Jul (27°C) |
| Normandy | May–Jul, Sep | Jul (23°C) |
| Montpellier | Apr–Jun, Sep–Oct | Jul (30°C) |
| Avignon | Apr–Jun, Sep–Oct | Jul (33°C) |
| Biarritz | May–Jun, Sep–Oct | Aug (27°C) |
| Colmar | May–Jun, Sep–Oct | Jul (27°C) |
| Saint-Tropez | May–Jun, Sep | Jul (30°C) |
| Antibes | May–Jun, Sep–Oct | Jul (30°C) |
| Nantes | May–Sep | Jul (25°C) |
| Lille | May–Sep | Jul (23°C) |
| Carcassonne | Apr–Jun, Sep–Oct | Jul (31°C) |
| Brittany | Jun–Sep | Jul (24°C) |
| Dordogne | May–Jun, Sep–Oct | Aug (28°C) |
Quick answers
What is the best month to visit Biarritz?
May–Jun, Sep–Oct. Late spring and September are warm with fewer crowds. July–August is busy and costly; autumn has the best surf swells, winter is wet.
When is the rainy season in Biarritz?
Rain peaks in November with about 144 mm. No month averages 150 mm or more.
What is the hottest month in Biarritz?
August, with average highs of 27°C (81°F).
How cold does Biarritz get?
The coolest nights are in February, averaging 4°C (40°F).
More about Biarritz
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Sources
- NASA POWER climatology (2001–2020)
- Biarritz Tourisme
- Biarritz Pays Basque Airport
- Hôpital de la Côte Basque
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 0.7°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.