Kerala Climate and Weather
Kerala features a wet maritime climate and experiences heavy rains during the summer monsoon season (June to August), while in the east a drier tropical climate prevails. The average daytime temperature ranges from 82F to 90F (28C to 32C) on the plains, but drops to about 68F (20C) in the highlands. During the summer months Kerala experiences gale force winds, storm surges, and cyclone-related torrential downpours; while the winter months are much cooler and calmer.
The best time to visit is between November and March, when the weather is pleasantly warm, the rains have passed, and wildlife viewing is at its best. However, Kerala does tend to be less swelteringly hot than most other parts of India, even in summer, so it is one of the best summer destinations in the country; visitors should go expecting rain and stormy weather. Generally, anytime from November to May is suitable for a visit, but the monsoon season is best avoided. Having said that, travel during the wet monsoon months is becoming increasingly popular for the adventurous, and the Indian government is actively promoting monsoon tourism in Kerala.