The climate in this area is typically very cool and corresponds well with the rest of the northern Antarctic Peninsula.The average summer temperature only reaches 1.5 degrees Celsius (34.7 degrees Fahrenheit), and the typical winter temperature hovers around -5 degrees Celsius (23 degrees Fahrenheit).

Even in the summertime, the South Shetland Islands retain an ice and snow coverage of 80 percent. It is humid and often cloudy, and the sunniest days are typically accompanied by colder temperatures. Due to this, anyone who is taking a expedition cruise to the South Shetland Islands needs to bring the proper type of clothing with them.