
Lake · Germany
Ammersee
Lake in Upper Bavaria, Germany
- Area
- 45.0km²
- Max depth
- 81m
- Average depth
- 16m
- Elevation
- 531m a.s.l.
- Shoreline
- 41km
- Volume
- 0.701km³
Ammersee is a lake in Germany. It covers 45.0 km². On average it is 16 m deep, and 81 m at its deepest point. Its surface lies 531 m above sea level.
Plan your visit
Stay, sail and get there
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
The water
How warm is Ammersee?
The water is warmest in July, around 22 °C at the surface, and coldest in February, around 2 °C. The surface averages 20 °C or more from July to August: comfortable for most swimmers.
It does not normally freeze in winter.
On the shore, afternoons reach 23 °C on average in July and 2 °C in January. The driest month is February (59 mm of rain), the wettest August (139 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (65 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 | 3 | 3 | 2 | -5 | 76 | 13 | 1.8 | 12 |
| February | 2 | 3 | 3 | -4 | 59 | 12 | 3.5 | 12 |
| March | 4 | 6 | 8 | -1 | 69 | 15 | 4.9 | 12 |
| April | 9 | 11 | 14 | 3 | 68 | 13 | 6.6 | 10 |
| May | 14 | 17 | 18 | 8 | 123 | 18 | 6.7 | 9 |
| June | 20 | 22 | 22 | 12 | 137 | 19 | 7.7 | 8 |
| July | 22 | 22 | 23 | 14 | 134 | 18 | 7.7 | 8 |
| August | 21 | 22 | 23 | 13 | 139 | 17 | 6.9 | 8 |
| September | 18 | 20 | 18 | 9 | 92 | 14 | 5.4 | 8 |
| October | 13 | 15 | 14 | 5 | 77 | 12 | 3.6 | 9 |
| November | 8 | 10 | 8 | 0 | 62 | 12 | 1.7 | 10 |
| December | 5 | 6 | 3 | -3 | 67 | 14 | 1.5 | 11 |
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 13 months before flowing out.
- Its catchment drains 997 km² of land.
- About 21 m³ of water flow out every second, on average.
Around the shore
What's around Ammersee
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 25beaches and swimming spots
Breitbrunn, Freizeitgelände mit Badestelle Sankt Alban, Freizeitgelände mit Badestelle Riederau, Strandbad Forster, Polizeibad and 20 more
- 8campsites
Campingplatz Utting, Campingplatz Sankt Alban, Wohnmobilstellplatz Herrsching, Campingplatz Jäschock, Wohnmobilstellplatz Dießen am Ammersee and 3 more
- 15boat hire and water-sport clubs
SGU Segler-Gemeinschaft Utting e.V., Segelschule Marx, Segelschule Ernst, Stumbaum, Segelclub Landsberg am Lech e.V. - SCLL and 10 more
- 22marinas and slipways
Augsburger Segler-Club Utting, Segler-Gemeinschaft Utting e.V., Segelclub Inning am Ammersee e.V., Segelboot Verleih - Segelschule - Pension Schwarz, Akademischer Seglerverein in München and 17 more
- 9ferry piers
Schifffahrt Ammersee, Landesteg Herrsching, Schondorf, Holzhausen, Dießen, Riederau and 4 more
- 10viewpoints
Aussichtsturm, Monopteros and 8 more
- 38hotels, B&Bs and chalets
Seefelder Hof, Gasthof Hotel DIE POST, Seehof, Ammerseehotel, Pension Waldeck and 33 more
- —fishing spots
- 90restaurants and cafés
Towns on the shore
- Dießen am Ammersee10,050 people
- Herrsching am Ammersee10,000 people
- Inning am Ammersee4,111 people
- Utting am Ammersee3,983 people
- Schondorf am Ammersee3,877 people
- Andechs3,181 people
- Greifenberg2,024 people
- Eching1,630 people
Nearest airport with scheduled flights: Munich Airport (MUC), 64 km in a straight line.
Car hire at MUC airport (Munich)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 | 2.0 | 3.4 | 8.3 | 13.7 | 17.7 | 21.5 | 23.1 | 22.6 | 18.1 | 13.6 | 7.5 | 2.9 |
| 2020 | +2.9 | +4.3 | +0.5 | +2.6 | −0.9 | −1.7 | +0.1 | +0.3 | +1.2 | −0.9 | +1.6 | +0.1 |
| 2021 | −1.5 | +3.6 | −0.4 | −2.9 | −3.1 | +1.9 | −0.5 | −2.0 | +1.9 | −0.1 | −1.4 | +0.8 |
| 2022 | +1.2 | +2.7 | +1.8 | −1.8 | +2.0 | +2.7 | +1.4 | +1.8 | −0.8 | +4.3 | +2.0 | +0.8 |
| 2023 | +2.3 | +2.3 | +1.7 | −2.6 | −0.6 | +1.4 | +1.1 | +1.4 | +4.8 | +4.0 | −0.1 | +2.3 |
| 2024 | +1.6 | +5.8 | +3.4 | +0.8 | +0.5 | +0.4 | +1.3 | +2.4 | +0.4 | +2.0 | +0.2 | +0.7 |
| 2025 | +1.9 | +1.8 | +2.0 | +1.5 | −0.8 | +2.7 | −0.9 | +0.7 | +0.7 | −0.8 | +0.1 | +2.1 |
+1 warmer than usual −1 cooler than usual
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 (Q265336) · 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.

