1In autumn rainy,In winter cold,in spring cool,In summer hot.
2In winter.
3In spring and summer 150
4in winter high temperature -40° and lowest -5.In summer high 35°,lowest 15°.
5I am not swim in river,because cold weather.
6yes I am enjoy in summer holiday.
7На это ты сам(а)должен(должна)отвечать.