July in Phuket averages a daily high of 32.3°C with nights around 25°C. Expect roughly 23.7 wet days totalling 291.7mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Phuket is January–February.
Based on PHUKET, TH (0.9km), 1995–2024. 19 years of July data.