Click on a day for an hourly weather forecast
The temperatures in Banja Luka in August are comfortable with low of 12°C and and high up to 29°C.
You can expect about 3 to 8 days of rain in Banja Luka 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 Banja Luka in August 2026.
If you’re planning to visit Banja Luka in the near future, we highly recommend that you review the 14 day weather forecast for Banja Luka before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / -3° | 7 | 12 | 12 | 113 mm | Awful | Banja Luka in January |
| February | 7° / -1° | 7 | 13 | 9 | 121 mm | Awful | Banja Luka in February |
| March | 12° / 1° | 8 | 18 | 5 | 125 mm | Awful | Banja Luka in March |
| April | 17° / 4° | 9 | 20 | 1 | 131 mm | Ok | Banja Luka in April |
| May | 21° / 7° | 11 | 20 | 0 | 198 mm | Ok | Banja Luka in May |
| June | 26° / 11° | 10 | 20 | 0 | 162 mm | Good | Banja Luka in June |
| July | 29° / 12° | 7 | 25 | 0 | 107 mm | Ok | Banja Luka in July |
| August | 29° / 12° | 5 | 26 | 0 | 77 mm | Good | Banja Luka in August |
| September | 23° / 9° | 5 | 25 | 0 | 101 mm | Perfect | Banja Luka in September |
| October | 18° / 6° | 6 | 25 | 0 | 103 mm | Good | Banja Luka in October |
| November | 13° / 4° | 6 | 21 | 3 | 93 mm | Bad | Banja Luka in November |
| December | 6° / -1° | 6 | 17 | 7 | 105 mm | Awful | Banja Luka in December |