Kathmandu, Nepal has the lowest mean annual temperature.
Option A
Explanation:
Kathmandu has the lowest annual mean temperature of 18.1 degree Celsius. The temperature in Kathmandu is usually mild and warm sometimes. The summers are rainier than winters with about 1505 mm precipitation annually. Winters in Kathmandu last for 2.1 months, with the coldest days in January. Summers usually last for 6.1 months, the hottest day being June 12. Due to heavy rains during summer season, Kathmandu is a highly humid region with humidity soaring up to 97% sometimes. The summer season in Kathmandu thus is muggy and wet with a lot of humidity followed up by muggier nights.