Bhutan is an all-season destination with a climate that varies widely from region to region. The dry autumn and winter months (from September to mid-March) offer warm days with temperatures ranging from approximately 16–18oC (60-64 F) when the sun is shining. Evenings and early mornings are cool with overnight temperatures falling to around freezing. The spring season (mid-March to June) offers warmer temperatures of around 22-29oC (81-84F) during the day which fall to approximately 18oC (64F) at night. In the summer, (June to September) days are clear and warm with temperatures of around 23oC (73F). Afternoon showers dispel some of the heat and temperatures fall to around 15oC (59F) at night.