With a country as big as Russia, it is hard to give you an accurate estimation. Siberia is known for some of the coldest winters in the world, reaching a very dangerous -35 degrees Celsius. The north pole of cold has a record breaking -69 degree celsius winters. over 65% of Russia is covered by permafrost. There is a humid continental climate as well.
All mass isn't all together in one area but is actually more spread out.
Answer:
the solstice make day or night significance longer .The mast important thing that they do idps cause the seasons ,with the earth on its 23.5 degrees angle along with the sun and the rotation the earth this causes the seasons and the appropriate climate for human to live
