Due to its size, Russia has a diverse climate that includes every vegetation zone with the exception of a tropical rain forest. Russia is known for cold, harsh winters, but its summer temperatures are mild in many areas.
Parts of Siberia experience the widest temperature range on Earth during its summer season, with extreme lows and mild temperatures all within the normal range. The average annual temperature of Russia is -5.5 C. In many parts of the country, the temperatures are mild from May to October. However, July and August are the rainy season. The first snows generally occur in October, and it begins to thaw in March and April.