Click on a day for an hourly weather forecast
The weather in Porto Santo in August is hot. The average temperatures are between 21°C and 23°C.
As it is almost never rain during August in Porto Santo the weather is perfect for hanging out outside and exploring all that Porto Santo has to offer.
Our weather forecast can give you a great sense of what weather to expect in Porto Santo in August 2025.
If you’re planning to visit Porto Santo in the near future, we highly recommend that you review the 14 day weather forecast for Porto Santo before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 18° / 16° | 2 | 29 | 0 | 62 mm | Good | Porto Santo in January |
| February | 17° / 16° | 2 | 26 | 0 | 53 mm | Good | Porto Santo in February |
| March | 17° / 16° | 2 | 29 | 0 | 44 mm | Good | Porto Santo in March |
| April | 18° / 16° | 2 | 28 | 0 | 32 mm | Good | Porto Santo in April |
| May | 19° / 17° | 0 | 31 | 0 | 19 mm | Good | Porto Santo in May |
| June | 20° / 19° | 0 | 30 | 0 | 25 mm | Good | Porto Santo in June |
| July | 22° / 20° | 0 | 31 | 0 | 11 mm | Good | Porto Santo in July |
| August | 23° / 21° | 0 | 31 | 0 | 10 mm | Perfect | Porto Santo in August |
| September | 23° / 22° | 1 | 29 | 0 | 25 mm | Perfect | Porto Santo in September |
| October | 22° / 21° | 3 | 28 | 0 | 68 mm | Good | Porto Santo in October |
| November | 20° / 19° | 3 | 27 | 0 | 69 mm | Good | Porto Santo in November |
| December | 19° / 18° | 2 | 29 | 0 | 57 mm | Good | Porto Santo in December |