
Lake · Austria
Wörthersee
Lake in Carinthia, Austria
- Area
- 18.6km²
- Max depth
- 85m
- Average depth
- 25m
- Elevation
- 437m a.s.l.
- Shoreline
- 45km
- Volume
- 0.458km³
Wörthersee is a lake in Austria. It covers 18.6 km². On average it is 25 m deep, and 85 m at its deepest point. Its surface lies 437 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Wörthersee?
The water is warmest in July, around 24 °C at the surface, and coldest in January, around 2 °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 1 °C in January. The driest month is January (45 mm of rain), the wettest August (125 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (139 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 | 1 | -7 | 45 | 7 | 2.9 | 7 |
| February | 4 | 5 | 2 | -6 | 56 | 8 | 4.1 | 7 |
| March | 7 | 10 | 7 | -2 | 61 | 9 | 5.3 | 7 |
| April | 13 | 15 | 13 | 2 | 71 | 13 | 6.1 | 7 |
| May | 18 | 20 | 18 | 6 | 100 | 15 | 6.9 | 6 |
| June | 23 | 24 | 22 | 11 | 110 | 16 | 7.9 | 5 |
| July | 24 | 25 | 24 | 13 | 114 | 16 | 8.4 | 5 |
| August | 24 | 24 | 24 | 12 | 125 | 15 | 7.5 | 5 |
| September | 21 | 23 | 18 | 8 | 124 | 13 | 5.6 | 6 |
| October | 15 | 18 | 13 | 4 | 94 | 11 | 4.4 | 6 |
| November | 9 | 12 | 7 | 0 | 91 | 12 | 2.4 | 6 |
| December | 4 | 6 | 2 | -5 | 67 | 9 | 2.3 | 6 |
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 4.1 years before flowing out.
- Its catchment drains 171 km² of land.
- About 3.5 m³ of water flow out every second, on average.
- Its shoreline is 2.9 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Wörthersee
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 13beaches and swimming spots
Liegewiese, Bad Saag, Freier Seezugang and 10 more
- 5campsites
APOS Golf Stellplatz für Wohnmobile, Campingplatz Klagenfurt am Wörthersee, Rast-Stellplatz Velden Am Wörthersee, EuroParcs Wörthersee, RAST-PARKPLATZ Pörtschach am Wörthersee
- 15boat hire and water-sport clubs
Blue Water Divers, Bootsverleih Fischer, meet boot, Nessmann, TheQuad and 10 more
- 9marinas and slipways
Loretto, Schmalzl, Terrassenareal, Mureny Marina, Thomas-Koschat-Park and 4 more
- 12ferry piers
Krumpendorf, Maria Wörth, Pörtschach - Landspitz (Peter Alexander Steg), Klagenfurt/See, Villa Lido and 7 more
- 26viewpoints
Aussicht West, Friedlhöhe, Seepromenade, Hohe Gloriette, Hohes Kreuz and 21 more
- 235hotels, B&Bs and chalets
ibis Wörthersee A2, Jerolitsch, Schlosshotel Velden, Hotel Schloss Leonstain, Appartements Haus Barbara and 230 more
- —fishing spots
- 134restaurants and cafés
Towns on the shore
- Sankt Martin20,000 people
- Viktring9,407 people
- Villacher Vorstadt8,421 people
- Krumpendorf3,497 people
- Pörtschach am Wörthersee2,751 people
- Velden am Wörther See2,325 people
- Schiefling am See864 people
- Keutschach am See434 people
Nearest airport with scheduled flights: Klagenfurt Airport (KLU), 8 km in a straight line.
Car hire at KLU airport (Klagenfurt am Wörthersee)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 | 0.7 | 2.2 | 7.1 | 12.8 | 17.5 | 21.9 | 24.2 | 23.6 | 18.1 | 12.9 | 6.9 | 1.8 |
| 2020 | +2.7 | +3.3 | −0.1 | +1.8 | −0.8 | −2.0 | −0.6 | −0.2 | +0.6 | −1.1 | +0.7 | −1.3 |
| 2021 | −1.9 | +2.6 | +0.2 | −3.1 | −2.8 | +1.5 | −0.5 | −1.2 | +2.3 | −0.8 | −0.5 | −1.6 |
| 2022 | −0.3 | +1.7 | +0.4 | −1.4 | +1.2 | +2.5 | +2.6 | +1.5 | −0.6 | +4.0 | +0.7 | −0.5 |
| 2023 | +1.3 | −0.3 | +0.9 | −2.4 | −1.5 | +0.2 | −0.6 | −0.7 | +2.5 | +3.5 | +0.3 | +1.9 |
| 2024 | +1.3 | +5.5 | +2.7 | +0.8 | −0.2 | −0.6 | +0.8 | +3.3 | +0.1 | +1.3 | −0.4 | +0.8 |
| 2025 | +2.4 | +0.3 | +1.4 | +1.3 | −0.9 | +3.1 | −0.6 | +1.0 | +1.3 | −0.2 | −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 (Q546146) · 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.

