
Glacial lake · France
Lake Annecy
Perialpine lake in Haute-Savoie, France
- Area
- 25.5km²
- Max depth
- 82m
- Average depth
- 30m
- Elevation
- 447m a.s.l.
- Shoreline
- 36km
- Volume
- 0.780km³
Lake Annecy is a glacial lake in France. It covers 25.5 km². On average it is 30 m deep, and 82 m at its deepest point. Its surface lies 447 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Lake Annecy?
The water is warmest in August, around 24 °C at the surface, and coldest in January, around 5 °C. The surface averages 20 °C or more from June to September: comfortable for most swimmers.
It does not normally freeze in winter.
On the shore, afternoons reach 24 °C on average in July and 2 °C in January. The driest month is February (73 mm of rain), the wettest May (111 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (160 readings). Shallow bays and beaches are often warmer.
From above
The whole lake from space
Month by month
The year at the lake, month by month
Not a forecast: these are averages over many years. Water is the 2013–2021 average; air, rain, sun and wind are the 1991–2020 average.
Water: 2013–2021 averageClimate: 1991–2020 average
| Month | Water°C | Water high°C | Air high°C | Air low°C | Rainmm | Rainy daysdays | Sunh/day | Windkm/h |
|---|---|---|---|---|---|---|---|---|
| January | 5 | 5 | 2 | -4 | 98 | 12 | 3.3 | 9 |
| February | 5 | 6 | 4 | -4 | 73 | 10 | 4.5 | 9 |
| March | 7 | 9 | 8 | 0 | 90 | 12 | 5.5 | 9 |
| April | 11 | 13 | 13 | 4 | 75 | 12 | 6.3 | 9 |
| May | 15 | 18 | 17 | 8 | 111 | 16 | 6.6 | 9 |
| June | 20 | 22 | 21 | 12 | 100 | 15 | 8.5 | 9 |
| July | 23 | 24 | 24 | 14 | 93 | 13 | 8.8 | 8 |
| August | 24 | 24 | 23 | 13 | 99 | 13 | 7.9 | 8 |
| September | 21 | 22 | 19 | 9 | 76 | 11 | 6.9 | 8 |
| October | 16 | 19 | 15 | 6 | 92 | 12 | 5.0 | 8 |
| November | 11 | 13 | 8 | 1 | 96 | 13 | 3.1 | 8 |
| December | 7 | 9 | 4 | -3 | 106 | 13 | 2.6 | 8 |
Water: LakeTEMP (Landsat 8, 2013–2021). Air, rain, sun and wind: NASA POWER, 1991–2020 averages. A rainy day has at least 1 mm of rain. Sunshine hours are derived from measured solar radiation.
Size & depth
How big, how deep
- On average, water stays in the lake for about 4.4 years before flowing out.
- Its catchment drains 272 km² of land.
- About 5.6 m³ of water flow out every second, on average.
Around the shore
What's around Lake Annecy
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 37beaches and swimming spots
Plage d'Angon, Jet de la Rose, Plage de la Balmette, Plage d'Albigny, Plage des Marquisats and 32 more
- 31campsites
Camping La Ferme, Le Taillefer, Camping Les Rives du Lac, Le Solitaire du Lac, Camping Europa and 26 more
- 11boat hire and water-sport clubs
CSAV Aviron, Le France, Arbre à brochets, V Boat, Les frères coin coin and 6 more
- 25marinas and slipways
Port d'Annecy, Port de Doussard, Port de Saint-Jorioz, Port d'Annecy-le-Vieux, Port de Sevrier and 20 more
- 10ferry piers
Sevrier, Saint-Jorioz, Veyrier-du-Lac, Annecy, Menthon-Saint-Bernard and 5 more
- 75viewpoints
Belvédère de la Jeanne, Belvédère du Pas de l'Échelle, Ancienne Gare de Téléphérique, Visitation and 71 more
- 81hotels, B&Bs and chalets
Les Balcons du lac d'Annecy, Ibis, Moxy, Hôtel de Paris, Hôtel Le Mont Baron and 76 more
- 1fishing spots
- 361restaurants and cafés
Towns on the shore
- Annecy49,232 people
- Annecy-le-Vieux21,521 people
- Cran-Gevrier19,354 people
- Saint-Jorioz5,571 people
- Sevrier4,014 people
- Doussard3,076 people
- Veyrier-du-Lac2,305 people
- Menthon-Saint-Bernard1,864 people
Nearest airport with scheduled flights: Annecy Meythet airport (NCY), 8 km in a straight line.
Car hire at GVA airport (Geneva)Discover Cars · Affiliate linkOpenStreetMap is built by volunteers: when a number is low, it may just mean nobody has mapped it yet.
Recent years
How each month compared
Afternoon high on the shore. The first row is the reference, the 1991–2020 average in °C; the years below show the difference from it: warmer in orange, cooler in blue.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991–2020 average | 2.5 | 3.6 | 8.1 | 13.0 | 16.7 | 21.2 | 23.7 | 23.4 | 19.2 | 14.8 | 8.0 | 3.5 |
| 2020 | +2.4 | +3.8 | +1.3 | +3.1 | +1.5 | −2.0 | +1.4 | +1.9 | +1.8 | −2.5 | +2.6 | +0.1 |
| 2021 | −2.0 | +3.9 | +0.5 | −1.8 | −2.6 | +1.0 | −1.8 | −1.6 | +2.1 | +0.1 | −1.0 | +0.1 |
| 2022 | +1.3 | +2.0 | +2.8 | −0.1 | +3.4 | +3.9 | +4.8 | +4.4 | +0.1 | +4.2 | +1.6 | +1.7 |
| 2023 | +0.8 | +3.3 | +1.8 | −1.4 | +0.4 | +2.1 | +2.1 | +2.9 | +5.4 | +3.9 | −0.7 | +1.7 |
| 2024 | +1.8 | +5.1 | +2.4 | −0.2 | −0.5 | −0.3 | +0.9 | +2.7 | −1.5 | +1.5 | +1.9 | +0.6 |
| 2025 | +2.1 | +2.8 | +2.3 | +2.0 | +0.6 | +4.0 | +0.3 | +2.8 | −0.5 | −1.2 | +0.2 | +3.0 |
+1 warmer than usual −1 cooler than usual
Nearby
More lakes nearby
About these numbers
| Outline, area, depth, volume | HydroLAKES v1.0 (Messager et al. 2016) · CC BY 4.0 |
|---|---|
| Water temperature and ice | LakeTEMP v1 (Korver et al. 2024), Landsat 8 2013–2021 · CC BY 4.0 |
| Air, rain, sun, wind | NASA POWER, 1991–2020 · public domain |
| Names and description | Wikidata (Q576704) · CC0 |
| Around the shore | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average or a count from a public dataset. Licences and methods: data sources.

