Wörthersee Lake

Large Alpine lake near Klagenfurt, popular summer resort

Wörthersee in Carinthia is a lake with year-round shoreline towns like Klagenfurt and Velden; people visit for swimming, boating, lakeside promenades and seasonal festivals.

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Wörthersee at a Glance#

Address: Wörthersee, Carinthia, Austria (lake stretching from Klagenfurt to Velden)

Website: https://www.woerthersee.com/

About Wörthersee#

Wörthersee is a large lake in the Austrian state of Carinthia known for warm summer water temperatures and resort towns along its shores. The lake has been a popular leisure destination since the late 19th and early 20th centuries and still hosts extensive tourist facilities.

The water is noted for its blue-green colour caused by fine glacial sediments and seasonal clarity. Popular activities include swimming, boating, lakeside promenades and cycling around the shoreline.

The lake sits in a broad basin south of the Alps near the city of Klagenfurt and is ringed by resort towns such as Velden, Pörtschach and Maria Wörth, which serve as the main access points for visitors.

  • Recreational note: The lake is a warm, lowland Alpine lake favored for bathing and boating during the summer months.

What to See#

  • Velden: A long lakeshore resort town known for its casino, promenades and lakeside hotels; it is a primary tourist hub on the lake’s western shore.
  • Pörtschach: A popular lakeside resort and transport hub with boat connections and access to walking trails around the lake.
  • Maria Wörth: A small peninsula and pilgrimage site with a 15th-century church that sits prominently on the lake and is a frequent photography subject.

How to Get to Wörthersee#

Wörthersee is easily reached from Klagenfurt (about 10-20 minutes’ drive to lakeside towns) and Velden; Klagenfurt has rail connections to major Austrian cities. Regional buses and cycling paths circle the lake.

Tips for Visiting Wörthersee#

  • If swimming, do so where local signs indicate safe entry - some shores are steep and drop quickly.
  • Rent a bike in Klagenfurt and cycle the lakeside path for quick access to the best viewpoints.
  • Visit the lakeside villages early in the morning when light on the Karawanks produces dramatic reflections.

Best Time to Visit Wörthersee#

Best from late spring through early autumn for boating, swimming and lakeside cafés; high summer brings the most crowds.

Summer
June-August · 15-28°C
Warm water and lakeside cafés at their busiest; peak season for swimming and boating.
Late spring/early autumn
May and September · 8-20°C
Fewer crowds and pleasant biking weather around the lake.

Weather & Climate near Wörthersee#

Climate

Wörthersee's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -6°C to 25°C. Abundant rainfall (1033 mm/year), wettest in July.

Air Quality: AQI 45 Good
Best Time to Visit
AugustJulyJune
Temperature & Rainfall
Temperature Range
37°
Warmest Month
-24°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -7° - 1° -3° 44 mm overcast 91% 0.9 m/s 0.1 low 8.9h
February Poor -5° - 4° -1° 44 mm overcast 88% 1.1 m/s 0.3 low 10.2h
March Acceptable -1° - 9° 3° 65 mm partly cloudy 83% 1.4 m/s 0.5 moderate 11.8h
April Acceptable 3° - 14° 8° 80 mm partly cloudy 78% 1.6 m/s 0.9 moderate 13.4h
May Good 8° - 19° 14° 89 mm overcast 76% 1.5 m/s 1.3 high 14.8h
June Very Good 11° - 23° 17° 118 mm partly cloudy 74% 1.4 m/s 1.6 very high 15.6h
July Very Good 13° - 25° 19° 125 mm partly cloudy 71% 1.3 m/s 1.6 very high 15.2h
August Very Good 12° - 24° 18° 109 mm partly cloudy 72% 1.2 m/s 1.4 high 14.0h
September Good 9° - 20° 14° 99 mm partly cloudy 78% 1.0 m/s 0.9 moderate 12.4h
October Acceptable 4° - 14° 9° 100 mm partly cloudy 85% 1.0 m/s 0.4 low 10.7h
November Poor -1° - 6° 3° 99 mm overcast 89% 0.9 m/s 0.2 low 9.3h
December Poor -5° - 2° -1° 61 mm overcast 90% 0.8 m/s 0.1 low 8.5h

Nearby Attractions to Wörthersee#