Lyddan Island

Island Isolated Antarctic island on pack ice

In the Antarctic, Lyddan Island is an uninhabited outcrop visited only by research teams and occasional expedition vessels for sea-ice and polar-landscape observation, not standard tourist infrastructure.

Lyddan Island
Lyddan Island, Antarctica
-74.4036, -20.6006
Seasonal (Antarctic summer landings only, typically Nov-Mar)
No public access (Antarctic territory; visitation governed by Antarctic Treaty regulations)

How to Get to Lyddan Island #

Any visit to Lyddan Island requires joining a ship-based Antarctic expedition with the appropriate permits under the Antarctic Treaty System. Landings occur only in the austral summer (roughly November-March) and are dependent on sea ice and weather conditions.

Tips for Visiting Lyddan Island #

  • Only visit as part of an organized Antarctic expedition that has prior clearance; follow all IAATO guidelines.
  • Prepare for extreme weather and limited landing windows; zodiacs are required for shore access and landings are strictly managed.
  • Carry no biological material ashore and follow biosecurity briefings to avoid introducing non-native species.

Best Time to Visit Lyddan Island #

Visits are limited to the Antarctic summer and require inclusion on an expedition vessel with permits.

Antarctic summer
Nov-Mar · -2 to 2 °C (varies by year)
Only time when ship-based expeditions operate and landings may be possible.

Weather & Climate near Lyddan Island #

Climate

Lyddan Island's climate is classified as Ice Cap - Ice Cap climate with freezing summers (peaking in January) and freezing winters (coldest in July). Temperatures range from -24°C to -1°C. Very dry conditions with minimal rainfall with a pronounced dry season.

Temperature & Rainfall
Temperature Range
-1°
Warmest Month
-24°
Coldest Month
Monthly Conditions

January

January is freezing with highs of -1°C and lows of -5°C. The driest month with just 1 mm and breezy conditions.

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-5° -1°

Weather

1 mm
Rainfall
6.2 m/s
Wind
Breezy

February

February is freezing with highs of -5°C and lows of -9°C. Light rainfall and breezy conditions.

Comfort

-7°
Feels Like Freezing
-7°C
Temperature
-9° -5°

Weather

11 mm
Rainfall
7.2 m/s
Wind
Breezy

March

March is freezing with highs of -11°C and lows of -14°C. Light rainfall and breezy conditions.

Comfort

-13°
Feels Like Freezing
-13°C
Temperature
-15° -11°

Weather

21 mm
Rainfall
8.2 m/s
Wind
Breezy

April

April is freezing with highs of -14°C and lows of -19°C. Light rainfall and breezy conditions.

Comfort

-17°
Feels Like Freezing
-17°C
Temperature
-19° -14°

Weather

28 mm
Rainfall
8.7 m/s
Wind
Breezy

May

May is freezing with highs of -16°C and lows of -21°C. The wettest month with 61 mm of rain and breezy conditions.

Comfort

-18°
Feels Like Freezing
-18°C
Temperature
-21° -16°

Weather

61 mm
Rainfall
8.4 m/s
Wind
Breezy

June

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

Comfort

-19°
Feels Like Freezing
-19°C
Temperature
-22° -17°

Weather

26 mm
Rainfall
9.2 m/s
Wind
Breezy

July

July is the coldest month with highs of -18°C and lows of -24°C. Light rainfall and breezy conditions.

Comfort

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

Weather

27 mm
Rainfall
9.0 m/s
Wind
Breezy

August

August is freezing with highs of -17°C and lows of -24°C. Light rainfall and breezy conditions.

Comfort

-21°
Feels Like Freezing
-21°C
Temperature
-24° -17°

Weather

17 mm
Rainfall
9.3 m/s
Wind
Breezy

September

September is freezing with highs of -17°C and lows of -23°C. Moderate rainfall (30 mm) and breezy conditions.

Comfort

-20°
Feels Like Freezing
-20°C
Temperature
-23° -17°

Weather

30 mm
Rainfall
7.8 m/s
Wind
Breezy

October

October is freezing with highs of -13°C and lows of -18°C. Light rainfall and breezy conditions.

Comfort

-15°
Feels Like Freezing
-15°C
Temperature
-18° -13°

Weather

18 mm
Rainfall
8.3 m/s
Wind
Breezy

November

November is freezing with highs of -6°C and lows of -10°C. Almost no rain and breezy conditions.

Comfort

-8°
Feels Like Freezing
-8°C
Temperature
-10° -6°

Weather

7 mm
Rainfall
7.8 m/s
Wind
Breezy

December

December is freezing with highs of -1°C and lows of -5°C. The driest month with just 1 mm and breezy conditions.

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-5° -1°

Weather

1 mm
Rainfall
6.8 m/s
Wind
Breezy

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