The weather in Banja Luka in April is very cold with temperatures between 4°C and 17°C, warm clothes are a must.
You can expect rain for roughly half of the month of April in Banja Luka. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Please note that Banja Luka can expect a few days of snow in April.
Our weather forecast can give you a great sense of what weather to expect in Banja Luka in April 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.
Temperatures
17° / 4°
Rainy Days
9
Snowy Days
1
Dry Days
20
Rainfall
131
mm
Sun Hours
6.2
Hrs
