Click on a day for an hourly weather forecast
The temperatures in Formia in October are comfortable with low of 16°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Formia during the month of October. 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 Formia in October 2025.
If you’re planning to visit Formia in the near future, we highly recommend that you review the 14 day weather forecast for Formia before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 12° / 7° | 7 | 24 | 0 | 145 mm | Bad | Formia in January |
| February | 12° / 7° | 5 | 22 | 1 | 135 mm | Ok | Formia in February |
| March | 14° / 9° | 6 | 25 | 0 | 116 mm | Good | Formia in March |
| April | 17° / 11° | 5 | 26 | 0 | 76 mm | Good | Formia in April |
| May | 20° / 14° | 4 | 27 | 0 | 76 mm | Good | Formia in May |
| June | 25° / 19° | 3 | 27 | 0 | 49 mm | Perfect | Formia in June |
| July | 28° / 22° | 2 | 29 | 0 | 32 mm | Perfect | Formia in July |
| August | 29° / 22° | 1 | 30 | 0 | 20 mm | Good | Formia in August |
| September | 25° / 19° | 5 | 25 | 0 | 107 mm | Perfect | Formia in September |
| October | 21° / 16° | 5 | 26 | 0 | 130 mm | Good | Formia in October |
| November | 17° / 13° | 8 | 22 | 0 | 195 mm | Ok | Formia in November |
| December | 13° / 9° | 6 | 25 | 0 | 135 mm | Ok | Formia in December |