Benchmarked strictly across TripTiming's 5 empirical pillars: Crowds, Weather, Vibes, Prices, and Safety.
Phuket emerges as the optimal November destination with an overall TripTiming Index of 60/100 vs 58/100 for Koh Samui (+2 point advantage). Phuket captures optimal environmental comfort with 31°C daytime feels-like temperatures and 50% rain probability, compared to 32°C in Koh Samui. Visitors also enjoy vibrant neighborhood street life. While Koh Samui retains an edge in Space & Crowds (68/100 vs 46/100), Phuket's commanding performance in Weather Comfort secures the overall November recommendation.