Lac d'Hourtin vs Lac de Soustons
Lac de Soustons is the warmer swim right now at about 23.9°C. They are roughly 157 km apart in France.
Lac d'Hourtin
Gironde
warm · modelled estimate
- September average
- 22.9°C
- Warmest month
- August · 24.0°C
- Coldest month
- 7.0°C
- Swim season
- June–October
Lac d'Hourtin in Gironde, France reaches comfortable swimming temperatures in July and August, and drops close to single digits in winter.
Lac de Soustons
Landes
warm · modelled estimate
- September average
- 23.9°C
- Warmest month
- August · 25.0°C
- Coldest month
- 9.0°C
- Swim season
- June–October
Lac de Soustons in Landes, France warms into the mid-20s °C for reliable summer swimming, and stays mild even in winter.
Month by month
| Lake | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lac d'Hourtin | 8.1°C | 7.0°C | 8.1°C | 11.3°C | 15.5°C | 19.8°C | 22.9°C | 24.0°C | 22.9°C | 19.8°C | 15.5°C | 11.3°C |
| Lac de Soustons | 10.1°C | 9.0°C | 10.1°C | 13.0°C | 17.0°C | 21.0°C | 23.9°C | 25.0°C | 23.9°C | 21.0°C | 17.0°C | 13.0°C |
Monthly values are modelled from each lake's long-term winter and summer envelope, then refined with today's forecast air temperature for the headline reading.
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