The climate in India
For the most of India, April to June as whole are the hottest months: 35-40 °C. Then the temperature drops a few degrees with the monsoon, which lasts until September. Then heavy rains and high humidity cause lots of problems. After the monsoon the peace returns and from October to May it is dry. In the tropical south, on the Indian Ocean, it is remains wet until December. There it is warm all year round. For the rest of the country December to February are the coolest months, with daytime temperatures between 20 and 30 °C, depending on elevation and latitude. This is the best travel period. The Himalayas, in the north, can best be climbed in the summer months.