Severnaya Zemlya Firnley Islands. Severnaya Zemlya is consistently cold and quite dry, with a mean annual temperature of , mean annual precipitation of about , and generally overcast skies. Monthly average temperature ranges from in February to in July. The archipelago sees large temperature fluctuations during winter months, as low-pressure cyclonic activity originating in the North Atlantic make their way across the Arctic, bringing precipitation and higher temperatures. These cyclones are most common in September and October, which see 30% of annual precipitation. Snowfall in summer is common as temperatures hover around , although higher temperatures occur when warm air masses move
Novaya Zemlya The Ministry for Atomic Energy has performed a series of subcritical underwater nuclear experiments near Matochkin Shar each autumn since 1998. These tests reportedly involve up to of weapons-grade plutonium. Novaya Zemlya is an extension of the Northern part of the Ural Mountains, and the interior is mountainous throughout. It is separated from the mainland by the Kara Strait. Novaya Zemlya consists of two major islands, separated by the narrow Matochkin Strait, as well as a number of smaller islands. The two main islands are: The coast of Novaya Zemlya is very indented, and it is the area with the