Banja Luka

City · 🇧🇦 Bosnia & Herzegovina

Population 185,042

Area 1,210 km²

Time zone Europe/Sarajevo

Official website www.banjaluka.rs.ba

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Szilard Endrodi / CC BY-SA 4.0

Banja Luka Essentials

Banja Luka, the administrative center of Republika Srpska, is defined by its blend of Austro-Hungarian architecture and Ottoman heritage. The city is anchored by the medieval Kastel Fortress on the banks of the Vrbas River and the golden-domed Cathedral of Christ the Saviour. Cultural landmarks include the Museum of Modern Art, housed in a former railway station, and the National Theatre. Beyond the center, the city offers natural mineral baths at Vrućica and panoramic views from the Šibovi hills.

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Banja Luka — Map

Climate & when to visit

Best time to visit: May, September, October

Select a month

Typical weather in January

Poor

5° (feels like 1°) · extremes -11°–14°
-3° at night
10 rainy days
4 sunny days
3 hours of sunshine per day
Dry air
Calm winds
UV index 1 · low

Typical weather in February

Poor

7° (feels like 4°) · extremes -10°–16°
-2° at night
9 rainy days
6 sunny days
4 hours of sunshine per day
Dry air
Calm winds
UV index 2 · low

Typical weather in March

Poor

12° (feels like 9°) · extremes -5°–20°
1° at night
10 rainy days
9 sunny days
5 hours of sunshine per day
Dry air
Calm winds
UV index 3 · moderate

Typical weather in April

Good

17° (feels like 15°) · extremes -1°–25°
6° at night
11 rainy days
9 sunny days
6 hours of sunshine per day
Dry air
Calm winds
UV index 4 · moderate

Typical weather in May

Great

22° (feels like 21°) · extremes 5°–29°
11° at night
13 rainy days
9 sunny days
7 hours of sunshine per day
Dry air
Calm winds
UV index 5 · moderate

Typical weather in June

Good

27° · extremes 9°–35°
15° at night
13 rainy days
13 sunny days
9 hours of sunshine per day
Comfortable humidity
Calm winds
UV index 6 · high

Typical weather in July

Fair

30° · extremes 12°–38°
17° at night
11 rainy days
16 sunny days
9 hours of sunshine per day
Comfortable humidity
Calm winds
UV index 7 · high

Up to 5 days above 35°

Typical weather in August

Fair

30° (feels like 31°) · extremes 12°–38°
17° at night
9 rainy days
16 sunny days
9 hours of sunshine per day
Comfortable humidity
Calm winds
UV index 6 · high

Up to 6 days above 35°

Typical weather in September

Great

24° (feels like 23°) · extremes 6°–33°
12° at night
11 rainy days
11 sunny days
6 hours of sunshine per day
Dry air
Calm winds
UV index 4 · moderate

Typical weather in October

Great

19° (feels like 17°) · extremes 1°–27°
8° at night
9 rainy days
10 sunny days
5 hours of sunshine per day
Dry air
Calm winds
UV index 3 · moderate

Typical weather in November

Poor

12° (feels like 10°) · extremes -4°–21°
3° at night
11 rainy days
5 sunny days
3 hours of sunshine per day
Dry air
Calm winds
UV index 1 · low

Typical weather in December

Poor

6° (feels like 3°) · extremes -9°–15°
-1° at night
10 rainy days
3 sunny days
3 hours of sunshine per day
Dry air
Calm winds
UV index 1 · low

Climate data: NASA POWER (MERRA-2) · 1996–2025

Practical information

Currency: Bosnia-Herzegovina Convertible Mark BAM KM · Card payments · Commonly accepted
Emergency numbers: 112
Electricity: Type C / Type F
230 V · 50 Hz

Languages: Bosnian, Croatian, Serbian
Tap water: Drink with caution
Driving side: Right
Calling code: +387