Sheehan Mesa

Plateau Antarctic mesa of flat-topped, ice-covered terrain

Sheehan Mesa appears on Antarctic charts as a flat‑topped elevation; access is limited to scientific field parties and expedition mapping activities under polar logistics.

Sheehan Mesa
-73.0167, 162.3000

How to Get to Sheehan Mesa #

Accessible only as part of Antarctic research or guided expedition logistics. Transport is by ship (to the nearest accessible coast) or by fixed-wing aircraft to established field camps; all travel requires coordination with national Antarctic programs.

Tips for Visiting Sheehan Mesa #

  • If travel in the area is part of a research or expedition, coordinate logistics with Antarctic program operators well in advance.
  • Prepare for extreme cold and rapidly changing weather; all visits require strict environmental protocols.
  • Bring high-quality navigation charts - there are no services on-site beyond what an expedition supplies.

Best Time to Visit Sheehan Mesa #

Visit only in the Antarctic summer when sea ice is minimal and research stations operate; travel is expeditionary and weather-dependent.

Antarctic summer
November-March · -2-5°C
The only practical window for fieldwork and visits; long daylight hours but still cold and windy.

Weather & Climate near Sheehan Mesa #

Climate

Sheehan Mesa'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 -36°C to -13°C. Very dry conditions with minimal rainfall with a pronounced dry season.

Temperature & Rainfall
Temperature Range
-13°
Warmest Month
-36°
Coldest Month
Monthly Conditions

January

January is freezing with highs of -13°C and lows of -20°C. The driest month with just 0 mm and breezy conditions.

Comfort

-17°
Feels Like Freezing
-17°C
Temperature
-20° -13°

Weather

0 mm
Rainfall
6.7 m/s
Wind
Breezy

February

February is freezing with highs of -17°C and lows of -25°C. Almost no rain and breezy conditions.

Comfort

-21°
Feels Like Freezing
-21°C
Temperature
-25° -17°

Weather

4 mm
Rainfall
8.0 m/s
Wind
Breezy

March

March is freezing with highs of -23°C and lows of -30°C. Light rainfall and breezy conditions.

Comfort

-27°
Feels Like Freezing
-27°C
Temperature
-30° -23°

Weather

13 mm
Rainfall
8.4 m/s
Wind
Breezy

April

April is freezing with highs of -27°C and lows of -33°C. Light rainfall and breezy conditions.

Comfort

-30°
Feels Like Freezing
-30°C
Temperature
-33° -27°

Weather

18 mm
Rainfall
8.3 m/s
Wind
Breezy

May

May is freezing with highs of -29°C and lows of -35°C. Almost no rain and breezy conditions.

Comfort

-32°
Feels Like Freezing
-32°C
Temperature
-35° -29°

Weather

3 mm
Rainfall
7.2 m/s
Wind
Breezy

June

June is freezing with highs of -28°C and lows of -34°C. Almost no rain and breezy conditions.

Comfort

-31°
Feels Like Freezing
-31°C
Temperature
-34° -29°

Weather

2 mm
Rainfall
7.5 m/s
Wind
Breezy

July

July is freezing with highs of -29°C and lows of -35°C. Light rainfall and breezy conditions.

Comfort

-32°
Feels Like Freezing
-32°C
Temperature
-35° -29°

Weather

10 mm
Rainfall
8.4 m/s
Wind
Breezy

August

August is the coldest month with highs of -30°C and lows of -36°C. Light rainfall and breezy conditions.

Comfort

-33°
Feels Like Freezing
-33°C
Temperature
-36° -30°

Weather

25 mm
Rainfall
9.5 m/s
Wind
Breezy

September

September is freezing with highs of -28°C and lows of -35°C. Almost no rain and breezy conditions.

Comfort

-31°
Feels Like Freezing
-31°C
Temperature
-35° -28°

Weather

4 mm
Rainfall
9.7 m/s
Wind
Breezy

October

October is freezing with highs of -25°C and lows of -33°C. Almost no rain and breezy conditions.

Comfort

-29°
Feels Like Freezing
-29°C
Temperature
-33° -25°

Weather

6 mm
Rainfall
8.0 m/s
Wind
Breezy

November

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

Comfort

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

Weather

2 mm
Rainfall
8.5 m/s
Wind
Breezy

December

December is freezing with highs of -13°C and lows of -21°C. Almost no rain and breezy conditions.

Comfort

-17°
Feels Like Freezing
-17°C
Temperature
-21° -13°

Weather

6 mm
Rainfall
6.5 m/s
Wind
Breezy

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