Question

can the temperature in winter would falls below 0 degreeC

Answer 1

Yeah.It depends on the latitude and longitude and your position on earth(Distance from the sun) and the even the winds

Answer 2

Yes, the temperature will fall below 0 degree in frigid zones and temperate zones and no snow at the Equator places because the sun light fall directly or indirectly to those places....

Hope this helps you....