July in Port Blair averages a daily high of 29.7°C with nights around 24.4°C. Expect roughly 23.8 wet days totalling 360.2mm. 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. 16 years of July data.