August in Port Blair averages a daily high of 29.8°C with nights around 24°C. Expect roughly 24.8 wet days totalling 388.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Port Blair is January–March.
Based on PORT BLAIR, IN (3.2km), 1995–2024. 18 years of August data.