Click on a day for an hourly weather forecast
The weather in Koh Yao Yai in July is very hot. The average temperatures are between 24°C and 32°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of July in Koh Yao Yai. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Koh Yao Yai in July 2025.
If you’re planning to visit Koh Yao Yai in the near future, we highly recommend that you review the 14 day weather forecast for Koh Yao Yai before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 31° / 20° | 1 | 30 | 0 | 14 mm | Good | Koh Yao Yai in January |
| February | 35° / 23° | 1 | 28 | 0 | 12 mm | Ok | Koh Yao Yai in February |
| March | 37° / 25° | 2 | 29 | 0 | 50 mm | Ok | Koh Yao Yai in March |
| April | 37° / 27° | 6 | 24 | 0 | 122 mm | Ok | Koh Yao Yai in April |
| May | 35° / 26° | 9 | 22 | 0 | 187 mm | Bad | Koh Yao Yai in May |
| June | 33° / 25° | 11 | 19 | 0 | 201 mm | Ok | Koh Yao Yai in June |
| July | 32° / 24° | 14 | 17 | 0 | 267 mm | Ok | Koh Yao Yai in July |
| August | 31° / 24° | 15 | 16 | 0 | 292 mm | Ok | Koh Yao Yai in August |
| September | 31° / 24° | 16 | 14 | 0 | 351 mm | Ok | Koh Yao Yai in September |
| October | 30° / 23° | 10 | 21 | 0 | 258 mm | Ok | Koh Yao Yai in October |
| November | 30° / 21° | 2 | 28 | 0 | 53 mm | Good | Koh Yao Yai in November |
| December | 29° / 19° | 0 | 31 | 0 | 10 mm | Good | Koh Yao Yai in December |