ClimateAverages

Banja Luka Climate

Srspka, Bosnia and Herzegovina · population 221,106 · 89 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
16.1°C
Warmest month · July
27.0°C
Typical daytime high
Coldest month · January
-4.2°C
Typical overnight low

Banja Luka has an average annual daytime high of 16.1°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 27.0°C, and its coldest is January, with overnight lows near -4.2°C.

Month by month averages

MonthAvg highAvg low
January3.5°C-4.2°CColdest
February6.8°C-2.3°C
March11.6°C0.5°C
April16.4°C4.4°C
May21.1°C8.6°C
June24.8°C12.4°C
July27.0°C13.7°CWarmest
August26.8°C13.4°C
September22.7°C10.0°C
October16.6°C5.5°C
November10.5°C2.0°C
December5.0°C-2.1°C

Temperature range across the year

-6°3°11°20°29°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+3.3°C vs. 1951–1980
Coldest year on record
1851
-2.0°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Banja Luka getting hotter?

Since 1900, Banja Luka's average temperature has risen by +2.5°C. Compared to the earliest station records that begin in 1750, warming totals +2.6°C.

9.9°10.7°11.5°12.2°13.0°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
April to October

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Banja Luka?

Banja Luka's average annual daytime high is 16.1°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 27.0°C, and the coldest is January, with lows averaging -4.2°C.

What is the warmest month in Banja Luka?

July is the warmest month in Banja Luka, with typical daytime highs of 27.0°C.

What is the hottest year on record for Banja Luka?

2023 is the hottest year on record for Banja Luka, running +3.3°C above the 1951 to 1980 baseline.

Is Banja Luka getting hotter?

Yes. Since 1900, Banja Luka has warmed by roughly +2.5°C.

When is the best time to visit Banja Luka?

April to October typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.