Thailand weather in July
In July, Thailand averages 30 to 31°C by day across Phuket and Bangkok. Bangkok is the warmest at 31°C, Phuket the coolest at 30°C. The sea is 30°C.
Thailand in July, place by place
Warmest first. Anywhere at 24°C or more is proper beach weather. Tap a place for its full July detail.
Heading to Thailand in July?
Share the places you've saved on TikTok and Instagram for Thailand to Dream Trip. It pins them on a map and builds your days around them.
Thailand in July: quick answers
Is Thailand hot in July?
In July, Thailand averages 30 to 31°C by day across Phuket and Bangkok. Bangkok is the warmest at 31°C, Phuket the coolest at 30°C. The sea is 30°C. July is hot but wet in Bangkok: rainy season, so pack for showers.
Where is warmest in Thailand in July?
Bangkok, at an average high of 31°C. The driest is Phuket, with about 180 mm of rain.
Can you swim in the sea in Thailand in July?
Yes: Phuket (30°C) has sea temperatures of 21°C or more, comfortable without a wetsuit.
How we measured this
Thailand here means Phuket and Bangkok: the places we measure. Figures are averages of every day from 2016 to 2025 from the Open-Meteo historical weather archive (ECMWF ERA5); sea temperatures are 2023 to 2025 averages. Rain is the average monthly total, and 150 mm or more counts as rainy season.
Planning Thailand in July?
Save the places you find on TikTok and Instagram for Thailand to one map, and Dream Trip turns them into a day-by-day plan.
