Henderson Island (Shackleton Ice Shelf) at a Glance
When to Go
Best Time to Visit Henderson Island (Shackleton Ice Shelf)
Visits are possible only as part of specialized Antarctic expeditions in the austral summer and hinge on sea-ice and logistical permissions.
Austral summer (Dec-Feb)
December-February · -2-2°C
Relatively milder temperatures and sea-ice retreat make ship-based approaches most feasible; long daylight hours aid exploration.
Austral spring/autumn (Nov & Mar-Apr)
November and March-April · -10-0°C
Transitional seasons with variable ice; access depends on sea-ice and expedition schedules.
Weather & Climate near Henderson Island (Shackleton Ice Shelf)
Climate
Henderson Island (Shackleton Ice Shelf)'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 -8°C. Very dry conditions with minimal rainfall.
Temperature & Rainfall
Temperature Range
-8°
Warmest Month
-36°
Coldest Month
Monthly Conditions
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | -15° - -8° | -22° | 17 mm | - | - | 10.8 m/s | - | - |
| February | - | -22° - -14° | -32° | 12 mm | - | - | 12.8 m/s | - | - |
| March | - | -28° - -23° | -43° | 15 mm | - | - | 15.3 m/s | - | - |
| April | - | -33° - -27° | -50° | 18 mm | - | - | 16.6 m/s | - | - |
| May | - | -35° - -30° | -53° | 32 mm | - | - | 15.9 m/s | - | - |
| June | - | -34° - -29° | -52° | 22 mm | - | - | 15.3 m/s | - | - |
| July | - | -36° - -30° | -53° | 33 mm | - | - | 14.9 m/s | - | - |
| August | - | -36° - -30° | -53° | 20 mm | - | - | 14.8 m/s | - | - |
| September | - | -35° - -29° | -52° | 22 mm | - | - | 15.2 m/s | - | - |
| October | - | -31° - -24° | -45° | 16 mm | - | - | 12.6 m/s | - | - |
| November | - | -22° - -14° | -33° | 17 mm | - | - | 12.6 m/s | - | - |
| December | - | -15° - -8° | -23° | 8 mm | - | - | 10.5 m/s | - | - |
Getting There & Around
How to Get to Henderson Island (Shackleton Ice Shelf)
Henderson Island in the Shackleton Ice Shelf region is accessible only via Antarctic research or expedition vessels operating in the sector. Travel requires coordination with national Antarctic programs or private expedition companies and is subject to environmental regulations and seasonal sea-ice conditions.