Klöntalersee

Monastery Alpine reservoir lake surrounded by steep cliffs

A glacial lake in Canton Glarus, Klöntalersee draws hikers and swimmers with clear alpine water, shoreline paths and trails up toward surrounding peaks; photographers and anglers come for reflections and trout fishing.

Main image
Klöntalersee
Klöntalersee, Canton of Glarus, Switzerland
47.0258, 8.9806
Open access (outdoor lake)
Free to access surrounding area; alpine facilities (boat hire, cafes) may charge seasonally

How to Get to Klöntalersee #

Klöntalersee is accessible by road from Glarus or Linthal. There is a car park near the eastern end (Klöntal valley); local bus services run in season from nearby towns. Trails from the parking area circle the lake and continue into the surrounding hills.

Tips for Visiting Klöntalersee #

  • Arrive early in summer to catch mirror‑like reflections on calm water before afternoon winds pick up.
  • Walk the path along the northern shore for the classic view with glaciers in the background.
  • If visiting by car, park at the designated lot near the eastern end-the access trail to the lake is well‑signed from there.

Best Time to Visit Klöntalersee #

Summer for outdoor activities and boat services; autumn for fewer crowds and vivid colours.

Summer
Jun-Aug · 10-20°C
Warmest months; boat outings and walking trails are in full swing.
Autumn
Sep-Oct · 5-15°C
Clearer mountain air and spectacular foliage; quieter than midsummer.

Weather & Climate near Klöntalersee #

Climate

Klöntalersee'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 -5°C to 20°C. Abundant rainfall (1563 mm/year), wettest in July.

Air Quality: AQI 32 Good
Best Time to Visit
JulyAugustSeptember
Temperature & Rainfall
Temperature Range
30°
Warmest Month
-28°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of 1°C and lows of -5°C. Regular rainfall (85 mm) and mostly overcast skies.

32 Poor

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-5°
87%
Humidity
Very Humid

Weather

85 mm
Rainfall
2.4 m/s
Wind
Calm
0.1
UV Index
Low
8.8h daylight

February

February is freezing with highs of 2°C and lows of -4°C. Regular rainfall (95 mm) and mostly overcast skies.

33 Poor

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-4°
85%
Humidity
Very Humid

Weather

95 mm
Rainfall
2.7 m/s
Wind
Calm
0.3
UV Index
Low
10.1h daylight

March

March is cold with highs of 6°C and lows of -2°C. Significant rainfall (102 mm) and partly cloudy skies.

43 Poor

Comfort

Feels Like Cold
C
Temperature
-2°
83%
Humidity
Very Humid

Weather

102 mm
Rainfall
2.9 m/s
Wind
Calm
0.5
UV Index
Moderate
11.8h daylight

April

April is cold with highs of 9°C and lows of 1°C. Significant rainfall (124 mm) and partly cloudy skies.

53 Acceptable

Comfort

Feels Like Cold
C
Temperature
78%
Humidity
Very Humid

Weather

124 mm
Rainfall
2.8 m/s
Wind
Calm
0.9
UV Index
Moderate
13.5h daylight

May

May is cool with highs of 15°C and lows of 6°C. Significant rainfall (140 mm) and mostly overcast skies.

49 Poor

Comfort

10°
Feels Like Cool
10°C
Temperature
15°
78%
Humidity
Very Humid

Weather

140 mm
Rainfall
2.6 m/s
Wind
Calm
1.3
UV Index
High
14.9h daylight

June

June is cool with highs of 17°C and lows of 8°C. Significant rainfall (178 mm) and partly cloudy skies.

59 Acceptable

Comfort

13°
Feels Like Cool
13°C
Temperature
17°
77%
Humidity
Very Humid

Weather

178 mm
Rainfall
2.4 m/s
Wind
Calm
1.6
UV Index
Very High
15.7h daylight

July

July is cool with highs of 20°C and lows of 11°C. The wettest month with heavy rain (191 mm) and partly cloudy skies.

65 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 20°
77%
Humidity
Very Humid

Weather

191 mm
Rainfall
2.4 m/s
Wind
Calm
1.6
UV Index
Very High
15.3h daylight

August

August is cool with highs of 20°C and lows of 11°C. Significant rainfall (179 mm) and partly cloudy skies.

61 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 20°
78%
Humidity
Very Humid

Weather

179 mm
Rainfall
2.2 m/s
Wind
Calm
1.3
UV Index
High
14.1h daylight

September

September is cool with highs of 16°C and lows of 8°C. Significant rainfall (137 mm) and partly cloudy skies.

61 Good

Comfort

12°
Feels Like Cool
12°C
Temperature
16°
81%
Humidity
Very Humid

Weather

137 mm
Rainfall
2.3 m/s
Wind
Calm
0.9
UV Index
Moderate
12.4h daylight

October

October is cold with highs of 11°C and lows of 4°C. Significant rainfall (112 mm) and mostly overcast skies.

49 Poor

Comfort

Feels Like Cold
C
Temperature
11°
82%
Humidity
Very Humid

Weather

112 mm
Rainfall
2.3 m/s
Wind
Calm
0.4
UV Index
Low
10.7h daylight

November

November is cold with highs of 6°C and lows of -1°C. Significant rainfall (119 mm) and mostly overcast skies.

39 Poor

Comfort

Feels Like Cold
C
Temperature
-1°
85%
Humidity
Very Humid

Weather

119 mm
Rainfall
2.5 m/s
Wind
Calm
0.2
UV Index
Low
9.2h daylight

December

December is freezing with highs of 2°C and lows of -3°C. Significant rainfall (101 mm) and mostly overcast skies.

39 Poor

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-3°
86%
Humidity
Very Humid

Weather

101 mm
Rainfall
2.5 m/s
Wind
Calm
0.1
UV Index
Low
8.3h daylight

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