May in Kāraikāl averages a daily high of 36.7°C with nights around 27.2°C. Expect roughly 4 wet days totalling 41.4mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Kāraikāl is December–February.
Based on KARAIKAL, IN (0.1km), 1995–2024. 18 years of May data.