Click on a day for an hourly weather forecast
The temperatures in Zagreb in August are comfortable with low of 15°C and and high up to 29°C.
You can expect about 3 to 8 days of rain in Zagreb 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 Zagreb in August 2025.
If you’re planning to visit Zagreb in the near future, we highly recommend that you review the 14 day weather forecast for Zagreb before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -2° | 6 | 15 | 10 | 67 mm | Awful | Zagreb in January |
| February | 6° / 0° | 6 | 15 | 8 | 91 mm | Awful | Zagreb in February |
| March | 12° / 3° | 5 | 23 | 3 | 65 mm | Bad | Zagreb in March |
| April | 17° / 7° | 5 | 24 | 1 | 78 mm | Good | Zagreb in April |
| May | 21° / 9° | 9 | 22 | 0 | 148 mm | Ok | Zagreb in May |
| June | 25° / 13° | 8 | 22 | 0 | 134 mm | Good | Zagreb in June |
| July | 28° / 15° | 6 | 25 | 0 | 109 mm | Perfect | Zagreb in July |
| August | 29° / 15° | 4 | 27 | 0 | 88 mm | Good | Zagreb in August |
| September | 23° / 11° | 6 | 24 | 0 | 124 mm | Perfect | Zagreb in September |
| October | 17° / 7° | 5 | 25 | 0 | 98 mm | Good | Zagreb in October |
| November | 11° / 4° | 6 | 22 | 2 | 107 mm | Bad | Zagreb in November |
| December | 6° / 0° | 5 | 21 | 5 | 62 mm | Awful | Zagreb in December |