Temperature
Warm by day, mild at night.
Banja Luka is most comfortable in spring and autumn. Summers are warm and winters are cool. Rain is spread through the year. Humidity is usually low.

Warm by day, mild at night.
Rainfall is lower than usual here.
Very sunny skies.
Warm days, with some hot afternoons and occasional humid spells.
In August, afternoons feel about 84° and nights feel near 64°.
Partly cloudy across the month.
August late afternoons are around 83°F, easing to about 76°F in early evening.
Calm winds are typical in August.
Want a side-by-side climate view? Compare Banja Luka with Dubrovnik.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 11, 2026
Data & methodology