Click on a day for an hourly weather forecast
The temperatures in Portonovo in May are usually low and can range between 10°C and 20°C.
You can expect about 3 to 8 days of rain in Portonovo during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Portonovo in May 2025.
If you’re planning to visit Portonovo in the near future, we highly recommend that you review the 14 day weather forecast for Portonovo before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 12° / 6° | 12 | 19 | 0 | 212 mm | Bad | Portonovo in January |
| February | 13° / 6° | 9 | 19 | 0 | 163 mm | Bad | Portonovo in February |
| March | 15° / 7° | 9 | 22 | 0 | 140 mm | Ok | Portonovo in March |
| April | 17° / 8° | 9 | 21 | 0 | 123 mm | Ok | Portonovo in April |
| May | 20° / 10° | 7 | 24 | 0 | 99 mm | Ok | Portonovo in May |
| June | 22° / 13° | 7 | 23 | 0 | 81 mm | Ok | Portonovo in June |
| July | 25° / 15° | 3 | 28 | 0 | 29 mm | Perfect | Portonovo in July |
| August | 26° / 15° | 4 | 27 | 0 | 41 mm | Perfect | Portonovo in August |
| September | 24° / 14° | 5 | 25 | 0 | 67 mm | Perfect | Portonovo in September |
| October | 20° / 12° | 10 | 21 | 0 | 222 mm | Ok | Portonovo in October |
| November | 15° / 9° | 12 | 18 | 0 | 212 mm | Ok | Portonovo in November |
| December | 13° / 7° | 12 | 19 | 0 | 228 mm | Bad | Portonovo in December |