Click on a day for an hourly weather forecast
The temperatures in Formentera in May are comfortable with low of 17°C and and high up to 22°C.
You can expect a few rainy days in Formentera 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 Formentera in May 2026.
If you’re planning to visit Formentera in the near future, we highly recommend that you review the 14 day weather forecast for Formentera before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 16° / 11° | 2 | 29 | 0 | 44 mm | Good | Formentera in January |
| February | 16° / 11° | 1 | 27 | 0 | 19 mm | Good | Formentera in February |
| March | 17° / 12° | 4 | 27 | 0 | 63 mm | Good | Formentera in March |
| April | 19° / 14° | 3 | 27 | 0 | 45 mm | Good | Formentera in April |
| May | 22° / 17° | 1 | 30 | 0 | 15 mm | Good | Formentera in May |
| June | 26° / 21° | 1 | 29 | 0 | 11 mm | Perfect | Formentera in June |
| July | 28° / 24° | 0 | 31 | 0 | 6 mm | Perfect | Formentera in July |
| August | 29° / 25° | 1 | 30 | 0 | 10 mm | Good | Formentera in August |
| September | 27° / 23° | 2 | 28 | 0 | 44 mm | Perfect | Formentera in September |
| October | 24° / 19° | 2 | 29 | 0 | 38 mm | Perfect | Formentera in October |
| November | 19° / 15° | 2 | 28 | 0 | 46 mm | Good | Formentera in November |
| December | 17° / 12° | 2 | 29 | 0 | 38 mm | Good | Formentera in December |