Skip to content
lakeyas
EN
Mühlbach (Ammersee)
Wasquewhat · CC BY 4.0

GermanyLake · 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.

3°2°4°9°14°20°22°21°18°13°8°5°JanFebMarAprMayJunJulAugSepOctNovDec22°July

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

Ammersee seen from space (Sentinel-2)
47.985°N 11.126°E · Sentinel-2 cloudless 2016 by EOX IT Services GmbH (Copernicus Sentinel data 2016), CC BY 4.0 · Places © OpenStreetMap contributors

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

The year at the lake, month by month
MonthWater°CWater high°CAir high°CAir low°CRainmmRainy daysdaysSunh/dayWindkm/h
January332-576131.812
February233-459123.512
March468-169154.912
April91114368136.610
May1417188123186.79
June20222212137197.78
July22222314134187.78
August21222313139176.98
September182018992145.48
October131514577123.69
November8108062121.710
December563-367141.511

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

AmmerseeLake AnnecyLoch Ness10 km
Drawn to the same scale, next to lakes you may know.
  • 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 link

OpenStreetMap is built by volunteers: when a number is low, it may just mean nobody has mapped it yet.

Photos

Seen by visitors

Schondorf am Ammersee 2026 1
Smiley.toerist · CC BY-SA 4.0
Schondorf am Ammersee 2026 2
Smiley.toerist · CC BY-SA 4.0

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.

JanFebMarAprMayJunJulAugSepOctNovDec
1991–2020 average2.03.48.313.717.721.523.122.618.113.67.52.9
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, volumeHydroLAKES v1.0 (Messager et al. 2016) · CC BY 4.0
Water temperature and iceLakeTEMP v1 (Korver et al. 2024), Landsat 8 2013–2021 · CC BY 4.0
Air, rain, sun, windNASA POWER, 1991–2020 · public domain
Names and descriptionWikidata (Q265336) · CC0
Around the shore© OpenStreetMap contributors · ODbL
ImagesEOX 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.

Read more on Wikipedia

The family

Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers, canyons, caves or dark skies?

Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit
lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.You are here
mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Visit islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.Visit riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.Visit canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit
cavesCavernyasEvery cave with its real depth and length: the rock above, the temperature inside all year, and how to visit.Coming soonVisit
dark skiesDarkskyasWhere the night is still dark: the sky of every place, the Milky Way month by month, the Moon, eclipses and auroras.Coming soonVisit