The single stone arch of the Old Bridge at Mostar over the green Neretva river
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Bosnia and Herzegovina by campervan: weather and best time

When to tour Bosnia and Herzegovina by campervan: temperatures, rainfall and the best season for each part of the country.

Published 18 September 2026Last checked 19 September 2026

Weather

Weather

Most of Bosnia and Herzegovina is a mountain country, and it is best from May to early October. Sarajevo sits at about 500 metres and averages 4 °C in January against 28 °C in August, with rain spread evenly through the year rather than concentrated in a wet season. Winter is winter here: this is a country that hosted a Winter Olympics, and the passes carry snow.

A road curving into dense conifer forest below a bare rocky ridge streaked with snow
Deep forest, a high bare ridge, and almost nobody. That is the Bosnian highlands

The year by region: how it feels, how warm, how wet

Sarajevo and the centreSarajevo
4°68 mm
7°67 mm
12°67 mm
17°78 mm
21°89 mm
25°88 mm
28°75 mm
28°63 mm
23°89 mm
17°91 mm
11°85 mm
4°89 mm
HerzegovinaMostar
9°142 mm
12°125 mm
16°119 mm
20°123 mm
25°93 mm
30°71 mm
33°56 mm
34°58 mm
27°137 mm
22°151 mm
15°189 mm
10°181 mm
The far southTrebinje
11°164 mm
12°158 mm
15°150 mm
19°110 mm
24°84 mm
29°63 mm
32°52 mm
32°68 mm
26°138 mm
21°182 mm
16°207 mm
12°201 mm
The northBanja Luka
6°73 mm
9°68 mm
14°80 mm
19°89 mm
23°104 mm
27°102 mm
30°81 mm
30°75 mm
24°108 mm
19°85 mm
12°90 mm
7°92 mm
The Una and the north westBihać
4°86 mm
7°91 mm
11°99 mm
16°115 mm
21°116 mm
24°109 mm
27°106 mm
26°110 mm
23°108 mm
17°110 mm
11°146 mm
5°114 mm

BestWorkableToo hotCold or wetTop figure: average daily high. Below it: average rainfall for the month.

All five rows are mean daily maximum temperatures and monthly rainfall. Sarajevo, Mostar, Trebinje and Banja Luka are on 1991 to 2020 normals. The Bihać row is on 1961 to 1990 normals from the Meteorological Institute of Bosnia and Herzegovina, so read it as the shape of the year rather than as this decade's figures. Mostar's record high in the same source is 46.2 °C.