Click on a day for an hourly weather forecast
The weather in Grosseto in August is hot. The average temperatures are between 20°C and 30°C.
You can expect a few rainy days in Grosseto during August, but usually the weather is comfortable in August.
Our weather forecast can give you a great sense of what weather to expect in Grosseto in August 2025.
If you’re planning to visit Grosseto in the near future, we highly recommend that you review the 14 day weather forecast for Grosseto before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 11° / 5° | 5 | 26 | 0 | 70 mm | Ok | Grosseto in January |
| February | 12° / 6° | 5 | 23 | 0 | 74 mm | Ok | Grosseto in February |
| March | 14° / 7° | 4 | 27 | 0 | 62 mm | Good | Grosseto in March |
| April | 18° / 10° | 3 | 27 | 0 | 53 mm | Good | Grosseto in April |
| May | 21° / 13° | 4 | 27 | 0 | 75 mm | Good | Grosseto in May |
| June | 26° / 17° | 3 | 27 | 0 | 51 mm | Perfect | Grosseto in June |
| July | 29° / 19° | 2 | 29 | 0 | 36 mm | Good | Grosseto in July |
| August | 30° / 20° | 2 | 29 | 0 | 39 mm | Good | Grosseto in August |
| September | 26° / 17° | 3 | 27 | 0 | 92 mm | Perfect | Grosseto in September |
| October | 21° / 14° | 5 | 26 | 0 | 111 mm | Good | Grosseto in October |
| November | 16° / 10° | 6 | 24 | 0 | 139 mm | Good | Grosseto in November |
| December | 12° / 7° | 4 | 27 | 0 | 66 mm | Ok | Grosseto in December |