December in Avadi averages a daily high of 29.6°C with nights around 21.7°C. Expect roughly 7.7 wet days totalling 136mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Avadi is December–February.
Based on MADRAS MINAMBAKKAM, IN (15km), 1995–2024. 14 years of December data.