Click on a day for an hourly weather forecast
The temperatures in Castellammare di Stabia in May are comfortable with low of 17°C and and high up to 20°C.
You can expect about 3 to 8 days of rain in Castellammare di Stabia 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 Castellammare di Stabia in May 2026.
If you’re planning to visit Castellammare di Stabia in the near future, we highly recommend that you review the 14 day weather forecast for Castellammare di Stabia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 13° / 10° | 8 | 23 | 0 | 174 mm | Bad | Castellammare di Stabia in January |
| February | 13° / 10° | 7 | 21 | 0 | 164 mm | Bad | Castellammare di Stabia in February |
| March | 15° / 11° | 7 | 24 | 0 | 135 mm | Ok | Castellammare di Stabia in March |
| April | 17° / 14° | 5 | 25 | 0 | 86 mm | Good | Castellammare di Stabia in April |
| May | 20° / 17° | 4 | 27 | 0 | 87 mm | Good | Castellammare di Stabia in May |
| June | 25° / 22° | 3 | 27 | 0 | 54 mm | Perfect | Castellammare di Stabia in June |
| July | 28° / 25° | 2 | 30 | 0 | 30 mm | Perfect | Castellammare di Stabia in July |
| August | 29° / 26° | 2 | 29 | 0 | 23 mm | Good | Castellammare di Stabia in August |
| September | 26° / 22° | 6 | 24 | 0 | 144 mm | Perfect | Castellammare di Stabia in September |
| October | 22° / 19° | 6 | 25 | 0 | 190 mm | Good | Castellammare di Stabia in October |
| November | 18° / 16° | 8 | 22 | 0 | 263 mm | Ok | Castellammare di Stabia in November |
| December | 15° / 12° | 6 | 24 | 0 | 155 mm | Good | Castellammare di Stabia in December |