Weather in Thailand All countries Weather in Thailand Weather in Thailand by months JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember City Now Sea water Rain Wind Bangkok +27°C +29°C 26% 4 m/s Khao Lak +29°C +29°C 20% 6 m/s Ko Kud +27°C +29°C 19% 8 m/s Ko Samet +27°C +30°C 25% 9 m/s Ko Chang +27°C +29°C 34% 8 m/s Krabi +29°C +31°C 10% 4 m/s Pattaya +27°C +30°C 25% 7 m/s Phuket +29°C +30°C 10% 6 m/s Rayong +28°C +30°C 35% 7 m/s Samui +27°C +30°C 10% 8 m/s Hua Hin +27°C +30°C 35% 4 m/s