The northern region of the country consists of an arc of eastern Himalayan alpine shrub and meadows reaching up to glaciated mountain peaks with an extremely cold climate at the highest elevations. Most peaks in the north are over 7,000 metres above the sea level.
The climate in Bhutan varies with altitude, with the subtropical in the south to the moderate in the highlands and polar type climate with the year round snow in the north.
Bhutan experiences five distinct seasons : summer, monsoon, autumn, winter and spring.
Western Bhutan has the heavier monsoon rains and Southern Bhutan has hot humid summers and cool winters, central and eastern Bhutan is more temperate and drier than the west with warm summers and cool winters.