Best Time to Ride · Lake Annecy vs Silvaplana
Lake Annecy vs Silvaplana: which is better for windsurfing & SUP?
Lake Annecy or Silvaplana? Month by month: windy days, waves and water temperature side by side, from years of weather data.
Find the best time to goTap a spot to see when to go: wind, waves, water temperature, sun and rain in every month, from years of weather statistics.
Updated October 2026 · weather data 2022–2026
In short
- Silvaplana is windier in 10 of 12 months.
- Best months at Lake Annecy: June–September.
- Best months at Silvaplana: June–September.
- 287 km apart.
Lake AnnecyAuvergne-Rhône-Alpes, FranceWindy days per month (15+ knots)
JFMAMJJASOND000010000000
Water temperature per month (°C)
JFMAMJJASOND––––––––––––
Best time to go →
SilvaplanaGraubünden, SwitzerlandWindy days per month (15+ knots)
JFMAMJJASOND002135423101
Water temperature per month (°C)
JFMAMJJASOND––––––––––––
Best time to go →Windy days: days with at least 2 hours of 15+ knots between 9:00 and 18:00, averaged over recent years. Water: average sea surface temperature.