
Lake · Austria
Hallstätter See
Lake
- Area
- 7.8km²
- Max depth
- 125m
- Average depth
- 34m
- Elevation
- 503m a.s.l.
- Shoreline
- 21km
- Volume
- 0.263km³
Hallstätter See is a lake in Austria. It covers 7.8 km². On average it is 34 m deep, and 125 m at its deepest point. Its surface lies 503 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Hallstätter See?
The water is warmest in July, around 21 °C at the surface, and coldest in January, around 2 °C. The surface averages 20 °C or more in July: comfortable for most swimmers.
It does not normally freeze in winter.
On the shore, afternoons reach 20 °C on average in July and -2 °C in January. The driest month is February (67 mm of rain), the wettest July (177 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (127 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 | 2 | -2 | -9 | 82 | 14 | 3.0 | 8 |
| February | 3 | 4 | -1 | -8 | 67 | 13 | 4.5 | 8 |
| March | 5 | 7 | 4 | -5 | 81 | 16 | 5.2 | 7 |
| April | 10 | 12 | 10 | -1 | 75 | 15 | 5.7 | 7 |
| May | 14 | 17 | 14 | 4 | 140 | 20 | 5.5 | 6 |
| June | 19 | 20 | 18 | 8 | 166 | 21 | 6.4 | 6 |
| July | 21 | 21 | 20 | 10 | 177 | 22 | 7.0 | 5 |
| August | 19 | 20 | 19 | 9 | 175 | 19 | 6.5 | 5 |
| September | 16 | 18 | 14 | 5 | 132 | 15 | 5.1 | 5 |
| October | 12 | 14 | 10 | 1 | 96 | 14 | 4.5 | 6 |
| November | 7 | 9 | 4 | -3 | 73 | 14 | 2.8 | 7 |
| December | 4 | 5 | 0 | -7 | 76 | 15 | 2.4 | 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 5 months before flowing out.
- Its catchment drains 588 km² of land.
- About 19 m³ of water flow out every second, on average.
Around the shore
What's around Hallstätter See
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 3beaches and swimming spots
Strandbad Untersee, Strandbad Obertraun
- 4campsites
Camping am See, Wohnmobilstellplätze Freibad Winkl/Obertraun, Wohnmobilstellplatz Obertraun, Camping Klausner-Höll
- 5boat hire and water-sport clubs
Hallstättersee - Landbettler, Sportpension Schober, Hallstätter See, Hallstätter See Bus, Bootsvermietung Schwarzmayr
- 4marinas and slipways
- 8ferry piers
Hallstatt Markt, Hallstatt Lahn, Obertraun, Steeg, Hallstatt Bahnhof and 3 more
- 17viewpoints
Wasserfallwand, Goaßerbankerl, Schergenkogel, Welterbe-Blick, Goiserer Aussicht and 12 more
- 30hotels, B&Bs and chalets
Bräu-Gasthof Lobisser, Apartment Hotel Seerose, Gasthof Hirlatz, Gasthof Bergfried, Haus Sarstein and 25 more
- —fishing spots
- 31restaurants and cafés
Nearest airport with scheduled flights: Salzburg Airport (SZG), 55 km in a straight line.
Car hire at SZG airport (Salzburg)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 | -1.7 | -0.7 | 3.7 | 9.7 | 14.1 | 17.8 | 19.5 | 19.2 | 14.4 | 10.3 | 4.5 | -0.3 |
| 2020 | +2.5 | +3.4 | +0.4 | +2.1 | −1.5 | −1.3 | −0.4 | +1.2 | +1.4 | −2.0 | +2.1 | +0.8 |
| 2021 | −1.1 | +3.8 | −0.4 | −3.4 | −3.2 | +2.7 | +0.9 | −1.5 | +2.3 | −0.4 | −0.1 | −0.5 |
| 2022 | +0.7 | +1.2 | +2.3 | −1.1 | +2.2 | +2.8 | +1.3 | +0.7 | −0.9 | +4.3 | +1.0 | +1.1 |
| 2023 | +1.5 | +0.6 | +1.9 | −3.7 | −0.2 | +1.1 | +1.3 | +1.1 | +4.7 | +3.4 | −1.5 | +1.5 |
| 2024 | +0.8 | +5.7 | +3.8 | +1.4 | +0.9 | +1.0 | +2.2 | +3.6 | −0.3 | +2.6 | +0.8 | +0.6 |
| 2025 | +2.8 | +3.8 | +3.1 | +1.7 | −1.2 | +4.0 | −0.6 | +1.0 | +2.1 | −1.7 | −0.1 | +2.5 |
+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 (Q666705) · 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.

