The temperatures in Banja Luka in May are quite cold with temperatures between 7°C and 21°C, warm clothes are a must.
You can expect rain for roughly half of the month of May 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.
Our weather forecast can give you a great sense of what weather to expect in Banja Luka in May 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
21° / 7°
Rainy Days
11
Snowy Days
0
Dry Days
20
Rainfall
198
mm
Sun Hours
6.7
Hrs
