Click on a day for an hourly weather forecast
The temperatures in Graz in August are comfortable with low of 14°C and and high up to 26°C.
You can expect about 3 to 8 days of rain in Graz during the month of August. 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 Graz in August 2025.
If you’re planning to visit Graz in the near future, we highly recommend that you review the 14 day weather forecast for Graz before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -3° | 5 | 15 | 11 | 41 mm | Awful | Graz in January |
| February | 6° / -2° | 6 | 14 | 9 | 70 mm | Awful | Graz in February |
| March | 11° / 1° | 5 | 22 | 4 | 58 mm | Bad | Graz in March |
| April | 16° / 5° | 5 | 24 | 1 | 71 mm | Good | Graz in April |
| May | 20° / 9° | 10 | 21 | 0 | 150 mm | Ok | Graz in May |
| June | 24° / 13° | 10 | 20 | 0 | 154 mm | Good | Graz in June |
| July | 26° / 15° | 10 | 21 | 0 | 144 mm | Good | Graz in July |
| August | 26° / 14° | 7 | 24 | 0 | 131 mm | Good | Graz in August |
| September | 21° / 11° | 6 | 24 | 0 | 113 mm | Good | Graz in September |
| October | 16° / 6° | 5 | 26 | 0 | 73 mm | Good | Graz in October |
| November | 10° / 3° | 5 | 23 | 2 | 86 mm | Bad | Graz in November |
| December | 5° / -2° | 5 | 20 | 7 | 49 mm | Awful | Graz in December |