
Lake · Switzerland
Ägerisee
Lake in Switzerland
- Area
- 6.8km²
- Max depth
- 83m
- Average depth
- 17m
- Elevation
- 723m a.s.l.
- Shoreline
- 14km
- Volume
- 0.113km³
Ägerisee is a lake in Switzerland. It covers 6.8 km². On average it is 17 m deep, and 83 m at its deepest point. Its surface lies 723 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Ägerisee?
The water is warmest in July, around 23 °C at the surface, and coldest in January, around 2 °C. The surface averages 20 °C or more from June to August: comfortable for most swimmers.
It does not normally freeze in winter.
On the shore, afternoons reach 20 °C on average in July and 0 °C in January. The driest month is February (80 mm of rain), the wettest August (190 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (132 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 | 2 | 3 | 0 | -8 | 101 | 14 | 2.5 | 9 |
| February | 2 | 3 | 0 | -8 | 80 | 12 | 3.8 | 9 |
| March | 5 | 7 | 5 | -4 | 102 | 15 | 5.3 | 9 |
| April | 10 | 12 | 10 | 1 | 107 | 16 | 6.5 | 8 |
| May | 15 | 17 | 14 | 5 | 163 | 19 | 6.7 | 8 |
| June | 20 | 22 | 18 | 10 | 176 | 20 | 8.0 | 7 |
| July | 23 | 24 | 20 | 12 | 173 | 19 | 8.1 | 7 |
| August | 23 | 24 | 20 | 11 | 190 | 18 | 7.3 | 7 |
| September | 20 | 22 | 16 | 7 | 124 | 15 | 6.0 | 7 |
| October | 14 | 17 | 12 | 3 | 110 | 14 | 4.2 | 8 |
| November | 9 | 11 | 5 | -2 | 103 | 15 | 2.4 | 8 |
| December | 4 | 6 | 0 | -7 | 106 | 15 | 2.0 | 9 |
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 2.9 years before flowing out.
- Its catchment drains 36 km² of land.
- About 1.2 m³ of water flow out every second, on average.
Around the shore
What's around Ägerisee
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 5beaches and swimming spots
Strandbad Oberägeri
- 6campsites
Camping Naas-Sod, TCS Camping Unterägeri, Neselen, Chällermatt and 2 more
- 8boat hire and water-sport clubs
Morgarten Denkmal, Kurheim Ländli, Eierhals, Altersheim Breiten, Chappeli and 3 more
- 6marinas and slipways
- 7ferry piers
Oberägeri (See), Unterägeri (See), Oberägeri Ländli (See), Eierhals (See), Morgarten Denkmal (See) and 2 more
- 11viewpoints
Weisses Kreuz, Schneit, Grindelegg and 8 more
- 7hotels, B&Bs and chalets
Hotel Schiff, Seminarhotel, Hotel Restaurant Morgarten, Freihof, Eierhals and 2 more
- —fishing spots
- 31restaurants and cafés
Towns on the shore
- Unterägeri7,973 people
- Rothenthurm2,098 people
- Sattel1,597 people
Nearest airport with scheduled flights: Zürich Airport (ZRH), 38 km in a straight line.
Car hire at ZRH airport (Zurich)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 | -0.5 | 0.4 | 4.7 | 9.7 | 14.0 | 18.2 | 19.8 | 19.5 | 15.5 | 11.5 | 5.1 | 0.4 |
| 2020 | +2.9 | +3.4 | +0.8 | +3.5 | +0.9 | −1.9 | +0.4 | +0.6 | +1.4 | −2.5 | +3.1 | −0.6 |
| 2021 | −1.7 | +1.5 | −0.6 | −2.6 | −3.0 | +1.9 | −0.7 | −1.7 | +2.1 | −0.6 | −0.6 | +0.8 |
| 2022 | +1.2 | +1.7 | +2.4 | −0.1 | +2.2 | +3.1 | +2.2 | +1.6 | −0.5 | +4.3 | +1.3 | +1.1 |
| 2023 | +0.5 | +3.2 | +1.9 | −1.8 | −0.1 | +1.8 | +1.6 | +1.4 | +4.8 | +3.5 | −0.8 | +1.5 |
| 2024 | +1.5 | +5.3 | +2.0 | −0.7 | −0.1 | +0.1 | +1.5 | +3.1 | ±0.0 | +1.5 | +2.1 | +1.2 |
| 2025 | +1.7 | +3.2 | +2.0 | +2.7 | −0.1 | +4.0 | −0.9 | +1.6 | +0.8 | −0.8 | ±0.0 | +2.6 |
+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 (Q14507) · 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.

