When to visit Kerala: a season-by-season guide
October to March is Kerala’s most comfortable season. Days on the coast are warm and dry, the hills around Munnar are cool and clear, and houseboats run at their best. It is also the busiest time, especially from mid-December to early January, so book stays early.
April and May are hot and humid along the coast and backwaters. The hills stay pleasant, which makes this a good window for a Munnar- and Thekkady-focused trip, with fewer crowds and easier availability.
The south-west monsoon usually arrives in early June and lasts until September. Rain can be heavy, but the landscape is at its greenest and Ayurveda centres consider it an ideal season for treatments. Expect some road delays in the hills and occasional changes to boat schedules.
Festivals add colour: Onam (usually August or September) brings snake-boat races and harvest celebrations, while Thrissur Pooram (April or May) is one of the state’s grandest temple festivals.
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