Click on a day for an hourly weather forecast
The weather in Koh Ngai in July is very hot. The average temperatures are between 23°C and 31°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of July in Koh Ngai. 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 Ngai in July 2025.
If you’re planning to visit Koh Ngai in the near future, we highly recommend that you review the 14 day weather forecast for Koh Ngai before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 29° / 16° | 1 | 30 | 0 | 5 mm | Good | Koh Ngai in January |
| February | 33° / 18° | 0 | 28 | 0 | 1 mm | Good | Koh Ngai in February |
| March | 36° / 22° | 1 | 30 | 0 | 7 mm | Ok | Koh Ngai in March |
| April | 37° / 24° | 4 | 26 | 0 | 17 mm | Ok | Koh Ngai in April |
| May | 35° / 25° | 9 | 22 | 0 | 50 mm | Ok | Koh Ngai in May |
| June | 32° / 23° | 12 | 19 | 0 | 49 mm | Good | Koh Ngai in June |
| July | 31° / 23° | 14 | 17 | 0 | 67 mm | Ok | Koh Ngai in July |
| August | 30° / 23° | 16 | 15 | 0 | 86 mm | Ok | Koh Ngai in August |
| September | 31° / 22° | 15 | 15 | 0 | 83 mm | Ok | Koh Ngai in September |
| October | 30° / 21° | 9 | 22 | 0 | 52 mm | Ok | Koh Ngai in October |
| November | 30° / 19° | 2 | 28 | 0 | 10 mm | Good | Koh Ngai in November |
| December | 28° / 16° | 1 | 30 | 0 | 4 mm | Perfect | Koh Ngai in December |