Click on a day for an hourly weather forecast
The weather in Ios in August is very hot. The average temperatures are between 25°C and 26°C, drinking water regularly is advisable.
As it is almost never rain during August in Ios the weather is perfect for hanging out outside and exploring all that Ios has to offer.
Our weather forecast can give you a great sense of what weather to expect in Ios in August 2025.
If you’re planning to visit Ios in the near future, we highly recommend that you review the 14 day weather forecast for Ios before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 15° / 13° | 4 | 27 | 0 | 87 mm | Good | Ios in January |
| February | 15° / 13° | 3 | 25 | 0 | 81 mm | Good | Ios in February |
| March | 15° / 14° | 3 | 28 | 0 | 54 mm | Good | Ios in March |
| April | 17° / 16° | 1 | 29 | 0 | 20 mm | Good | Ios in April |
| May | 20° / 19° | 1 | 30 | 0 | 29 mm | Good | Ios in May |
| June | 23° / 22° | 1 | 29 | 0 | 15 mm | Perfect | Ios in June |
| July | 25° / 24° | 0 | 31 | 0 | 3 mm | Perfect | Ios in July |
| August | 26° / 25° | 0 | 31 | 0 | 4 mm | Perfect | Ios in August |
| September | 24° / 24° | 1 | 29 | 0 | 19 mm | Perfect | Ios in September |
| October | 22° / 21° | 2 | 29 | 0 | 51 mm | Good | Ios in October |
| November | 19° / 18° | 3 | 27 | 0 | 52 mm | Good | Ios in November |
| December | 16° / 15° | 4 | 27 | 0 | 75 mm | Good | Ios in December |