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La Baule combines Europe's longest beach (9 km), open waters into the Saint-Nazaire gulf, access to Belle-Île and Houat. Sailing season April to October.
| Month | Air (°C) | Sea (°C) | Wind (kts) | Waves (m) | Rain (mm) | Verdict |
|---|---|---|---|---|---|---|
| January | 7.7° | 9.4° | 10.4· 20% | 1.63 | 84 | Avoid |
| February | 7.9° | 9.2° | 10.9· 17% | 1.38 | 68 | Avoid |
| March | 9.4° | 10.2° | 10.3· 16% | 1.92 | 72 | Fair |
| April | 11.7° | 12.4° | 8.5· 5% | 1.30 | 47 | Good |
| May | 14.7° | 14.5° | 8.9· 5% | 0.89 | 50 | Best |
| June | 18.1° | 18.5° | 8.0· 2% | 0.84 | 57 | Best |
| July | 19.7° | 19.0° | 8.6· 2% | 0.93 | 43 | Best |
| August | 19.3° | 19.9° | 8.0· 2% | 0.85 | 54 | Best |
| September | 17.9° | 20.0° | 8.1· 4% | 1.09 | 50 | Best |
| October | 14.7° | 17.9° | 9.2· 9% | 1.58 | 97 | Good |
| November | 11.1° | 13.2° | 10.3· 18% | 2.00 | 98 | Avoid |
| December | 9.1° | 10.4° | 10.8· 22% | 1.89 | 98 | Avoid |
Spring at La Baule wakes the great bay for sailing. From April to June, schools reopen at the Centre Nautique, thermal winds settle, and the 9 km beach offers an exceptional learning ground. May-June offer the perfect equation before high season.
Summer at La Baule combines sailing and high-level seaside life. From June to August, afternoon thermal winds, water at 21°C, cruises to Belle-Île and Houat. The great beach and Belle Époque atmosphere add a festive dimension. Rivage villas with direct beach access offer exceptional comfort.
Autumn anoints La Baule as a sporting sailing destination. From September to October, excellent technical conditions, thinning crowds, golden light. Ideal season for intermediates.
Winter at La Baule isn't the sailing season. For a visit, enjoy southern Breton art de vivre: oysters, gastronomy, day trips to Guérande, Le Croisic, Nantes.
Atlantic winter. 7-8°C, successive lows, formed sea. Closed pleasure season.
Same as January. Frequent storms.
Winter exit. 11°C, first deliveries, spring regattas.
Resumption. 14°C, thermal winds settling.
Excellent. 17°C, 10-15 knot winds, ideal conditions.
Spring peak. 21°C, longest days, comfortable navigation.
Summer (24°C). Thermal afternoon winds, 21°C water, summer atmosphere.
Tourist peak. Conditions identical to July, saturated ports.
The crown jewel. 22°C, thinning crowds, excellent technical conditions.
Excellent. 17°C, golden light, season's end.
Season's end. 12°C, first autumnal lows.
Winter. 8°C. Closed season.
Data: Open-Meteo (ERA5), period 2014-2023. Updated May 5, 2026.