Click on a day for an hourly weather forecast
The temperatures in Ios in May are comfortable with low of 19°C and and high up to 20°C.
You can expect a few rainy days in Ios during May, but usually the weather is comfortable in May.
Our weather forecast can give you a great sense of what weather to expect in Ios in May 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 |