ClimateAverages

Mostar Climate

Federation of B&H, Bosnia and Herzegovina · population 104,518 · 57 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
16.3°C
Warmest month · August
27.6°C
Typical daytime high
Coldest month · January
-1.9°C
Typical overnight low

Mostar has an average annual daytime high of 16.3°C, based on the 1951 to 1980 baseline. Its warmest month is August, when highs typically reach 27.6°C, and its coldest is January, with overnight lows near -1.9°C.

Month by month averages

MonthAvg highAvg low
January4.8°C-1.9°CColdest
February7.0°C-0.7°C
March10.8°C1.6°C
April15.2°C4.9°C
May20.2°C9.2°C
June24.4°C12.8°C
July27.4°C14.7°C
August27.6°C14.7°CWarmest
September23.2°C11.5°C
October17.1°C7.2°C
November11.2°C3.7°C
December6.5°C-0.1°C

Temperature range across the year

-4°5°13°21°30°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+3.0°C vs. 1951–1980
Coldest year on record
1838
-2.1°C vs. 1951–1980

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

Is Mostar getting hotter?

Since 1900, Mostar's average temperature has risen by +2.4°C. Compared to the earliest station records that begin in 1750, warming totals +2.7°C.

10.8°11.6°12.3°13.0°13.8°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 Mostar?

Mostar's average annual daytime high is 16.3°C, based on the 1951 to 1980 baseline period. The warmest month is August, with highs averaging 27.6°C, and the coldest is January, with lows averaging -1.9°C.

What is the warmest month in Mostar?

August is the warmest month in Mostar, with typical daytime highs of 27.6°C.

What is the hottest year on record for Mostar?

2023 is the hottest year on record for Mostar, running +3.0°C above the 1951 to 1980 baseline.

Is Mostar getting hotter?

Yes. Since 1900, Mostar has warmed by roughly +2.4°C.

When is the best time to visit Mostar?

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

Nearby cities

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.