Lake Untersee

Lake Antarctic perennially ice-covered lake with microbial communities

In Antarctica’s polar interior, Lake Untersee is visited by scientific teams studying its perennial ice cover, unusual chemistry and microbial ecosystems under thick ice.

Main image
Lake Untersee
-71.3500, 13.4667
Scientific access only (research permits required)

How to Get to Lake Untersee #

Access is by scientific expedition from national Antarctic programs; travel involves long-range aircraft to Antarctic coastal bases followed by overland traverse or aircraft to inland field camps. Individual tourist access is not available.

Tips for Visiting Lake Untersee #

  • Access is restricted to scientific parties; visitors should not attempt independent travel to the area without specific institutional permission.
  • Logistical preparation is essential: extreme cold, crevasse risk near glacier termini, and isolation require specialized equipment and experienced Antarctic guides.

Best Time to Visit Lake Untersee #

Visits occur only during the Antarctic summer and are generally limited to scientific expeditions.

Antarctic summer
November-March · -10-0°C (near lake surface temperatures vary)
The only practical time for research access; continuous daylight for much of the season.

Weather & Climate near Lake Untersee #

Climate

Lake Untersee's climate is classified as Ice Cap - Ice Cap climate with freezing summers (peaking in January) and freezing winters (coldest in August). Temperatures range from -29°C to -4°C. Very dry conditions with minimal rainfall with a pronounced dry season.

Temperature & Rainfall
Temperature Range
-4°
Warmest Month
-29°
Coldest Month
Monthly Conditions

January

January is freezing with highs of -4°C and lows of -10°C. The driest month with just 0 mm and windy conditions.

Comfort

-7°
Feels Like Freezing
-7°C
Temperature
-10° -4°

Weather

0 mm
Rainfall
10.3 m/s
Wind
Windy

February

February is freezing with highs of -7°C and lows of -14°C. Almost no rain and windy conditions.

Comfort

-10°
Feels Like Freezing
-10°C
Temperature
-14° -7°

Weather

2 mm
Rainfall
13.4 m/s
Wind
Windy

March

March is freezing with highs of -12°C and lows of -18°C. Almost no rain and windy conditions.

Comfort

-15°
Feels Like Freezing
-15°C
Temperature
-18° -12°

Weather

8 mm
Rainfall
13.7 m/s
Wind
Windy

April

April is freezing with highs of -16°C and lows of -22°C. Light rainfall and windy conditions.

Comfort

-19°
Feels Like Freezing
-19°C
Temperature
-23° -16°

Weather

10 mm
Rainfall
15.3 m/s
Wind
Windy

May

May is freezing with highs of -18°C and lows of -24°C. Light rainfall and windy conditions.

Comfort

-21°
Feels Like Freezing
-21°C
Temperature
-24° -18°

Weather

21 mm
Rainfall
15.6 m/s
Wind
Windy

June

June is freezing with highs of -19°C and lows of -26°C. Almost no rain and windy conditions.

Comfort

-22°
Feels Like Freezing
-22°C
Temperature
-26° -19°

Weather

6 mm
Rainfall
14.8 m/s
Wind
Windy

July

July is freezing with highs of -20°C and lows of -27°C. Light rainfall and windy conditions.

Comfort

-24°
Feels Like Freezing
-24°C
Temperature
-27° -20°

Weather

19 mm
Rainfall
15.3 m/s
Wind
Windy

August

August is the coldest month with highs of -22°C and lows of -29°C. Light rainfall and windy conditions.

Comfort

-25°
Feels Like Freezing
-25°C
Temperature
-29° -22°

Weather

11 mm
Rainfall
13.3 m/s
Wind
Windy

September

September is freezing with highs of -19°C and lows of -26°C. Moderate rainfall (30 mm) and windy conditions.

Comfort

-23°
Feels Like Freezing
-23°C
Temperature
-26° -19°

Weather

30 mm
Rainfall
14.1 m/s
Wind
Windy

October

October is freezing with highs of -16°C and lows of -23°C. Almost no rain and windy conditions.

Comfort

-19°
Feels Like Freezing
-19°C
Temperature
-23° -16°

Weather

9 mm
Rainfall
13.8 m/s
Wind
Windy

November

November is freezing with highs of -9°C and lows of -16°C. Almost no rain and windy conditions.

Comfort

-12°
Feels Like Freezing
-12°C
Temperature
-16° -9°

Weather

6 mm
Rainfall
13.4 m/s
Wind
Windy

December

December is freezing with highs of -4°C and lows of -10°C. Almost no rain and windy conditions.

Comfort

-7°
Feels Like Freezing
-7°C
Temperature
-10° -4°

Weather

2 mm
Rainfall
10.2 m/s
Wind
Windy

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