77% of Russia is made up of Siberia. Siberia starts from Ural mountains and ends near Japan. Generally the landscape presented by forests, swamps, tundra and even deserts.
The climate of Siberia varies dramatically, but all of it basically has short summers and long winters of very cold climate. On the north coast, north of the Arctic Circle, there is a very short (about one-month-long) summer.
The periodical Weatherwise lists Oymyakon, Republic of Sakha, in Russian Siberia as having one of the 10 worst weathers in the world. It is a village with a population of 500, and it recorded a temperature of −67.7 °C (−89.9 °F) on 6 February 1933. It is considered the Northern Pole of Cold, meaning the coldest known point in the Northern hemisphere. It also frequently reaches 86 °F (30 °C) in the summer, giving it one of the world’s greatest temperature variations.