Climate in Banja Luka

Banja Luka, Bosnia and Herzegovina has a humid continental climate. The annual average temperature is about 11.6°C and the city receives roughly 1001 mm of precipitation across 111 rainy days a year, with around 1529 hours of sunshine. The warmest month is Jul (highs near 26.5°C) and the coldest is Jan (lows near -3.3°C). These are deterministic, latitude- and region-based planning estimates — not a forecast or measured station data; check current conditions with an official meteorological service before travel.

Data year 2025; last updated 2026-05-16.

Banja Luka is classified as Humid Continental. This reflects its annual temperature range and the seasonal pattern of its rainfall.

Banja Luka receives about 1001 mm of precipitation a year over roughly 111 rainy days. The wettest month is Jun and the driest is Jan.

Banja Luka sees an estimated 1529 hours of sunshine a year, concentrated in the warmer months around Jul.

By temperature and rainfall, the most comfortable months in Banja Luka are Sep, May, Aug. Conditions vary year to year — verify with a current forecast before booking.

Banja Luka has a climate comfort score of 70/100, a comfortable year-round climate by this measure. The score weights mild temperatures most, then rainfall balance, sunshine, low seasonality, and the absence of extreme winter cold or summer heat.

• Climate in Sarajevo — Humid Continental, comfort 70/100
• Climate in Novi Sad — Humid Continental, comfort 73/100
• Climate in Niš — Humid Continental, comfort 74/100