Bellingshausen Station's climate is strongly influenced by the surrounding ocean.[2] Under the Köppen system, it is one of the few locations in Antarctica classified as a tundra climate rather than an ice cap climate.[3] Variation in temperatures are small with the coldest month, July averaging −6.5 °C (20.3 °F) and 1.5 °C (34.7 °F) in the warmest month.[4] With only 591.3 hours of sunshine per year, the weather is often unsettled and cloudy throughout the year with precipitation in the form of snow, rain and drizzle occurring often.[2] On average, 729 mm of precipitation falls per year.[2]