
In the peak summers, temperature can be soaring in the valleys. The weather fluctuates with altitude and varies from tropical in the low valley to polar-like surroundings of everlasting snow and ice in the elevated areas. Sikkim is one of those rare states in India that receive regular snowfall. Owing to intense altitude, you can find tremendous discrepancy in climate and vegetation of Sikkim.
During monsoons, the rivers and roads become impassable. Sikkim is prone to land-slides, thus it is not recommended to visit the state during the monsoons. The monsoon season persists from July to September. Though you can get rooms at cheaper rates, a trip is not suggested. Once again, by the time August ends, the flowers blossom.
With the arrival of autumn, the skies get clear and offer an invitation to come to the marvelous lands of Sikkim. From the months of September to December, the weather is perfectly fine to take pleasure in Sikkim. During winters (December end till February), it is extremely cold out there, receiving perpetual snowfalls. The roads and mountains get enveloped in snow. In Toto, the best time to visit Sikkim is during the months of March to June and from September to December.