Mostar weather in January
January in Mostar: cold, rainy, with clean air — a fair time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#11 of 12 months in Mostar · #1025 of 1413 destinations to visit in January · comfort 57/100 (tier D)
- Days
- 10°C
- Nights
- 0°C
- Wet days
- 12
- Sun
- 5.9 h
- Humidity
- 79%
- Daylight
- 9 h

Traveller notes on Mostar in January
Notes from nearby Makarska (64 km away)
Mostar doesn't have its own notes for January yet — these are about Makarska, close enough to share the season.
Croatia's forum describes January on the Dalmatian coast, Makarska included, as milder than the interior but still genuinely capable of freezing overnight, with the bura wind making a cold day feel considerably colder through windchill. Coastal snow is rare but does happen occasionally, and posters described the swing as wide - anywhere from around -5C on a bad night to an unusually mild 15C on a good day. Expect wet and windy stretches mixed with clear ones rather than a single consistent pattern for the whole month.
Other months in Mostar
Forum posters describe Mostar's southern Herzegovina location as giving it a noticeably milder winter climate than northern Bosnia, with snow uncommon here - wind and rain are more likely worst-case scenarios for a December visit. Posters generally describe Bosnian winters as trending milder in recent years, though genuine surprises remain possible. Posters consistently note that the road into Mostar is well maintained and kept clear of snow even during winter weather elsewhere in the country, with rental cars typically supplied with snow tires as a precaution regardless. Posters generally rate December as a comparatively mild, manageable time to visit Mostar relative to the rest of Bosnia and Herzegovina, wind and rain the more likely weather challenge than snow or ice.
Mostar is the hottest place in Bosnia and Herzegovina — too far inland for the sea to cool it, and on a Mediterranean rather than a mountain climate — so June here reads very differently from June in Sarajevo. Days average near 28°C and the forum reports spells reaching 35°C; nights fall to about 16. The other June problem is size: the old town is small and gets completely crowded, with day-trippers off the Croatian coast and pilgrims bound for Medjugorje on top of everyone else. Regulars' fix is to stay overnight rather than day-trip, which also opens up Blagaj's dervish house and river source, and the castle town of Počitelj.
Add your own note from Mostar's card on the map.
Mostar climate normals — January
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Mostar in January
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Quietschool holidays in 7 of the markets that fill it, one of its worst months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Mostar's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherMostar's best weather comes in April, May and September — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Mostar in January
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Bura down the valley
1 Nov – 31 Mar · usuallyWind seasonRiskCold air spills off the plateau and funnels down the Neretva, and a bura day here feels a great deal colder than the number suggests. It usually comes with hard blue sky. Source ↗
- Season
Winter quiet
15 Nov – 15 MarOff-season shutdownClosuresThe souvenir lane half shuts and the day-trip coaches stop, leaving a working provincial city with its mosques, its ruins and very few visitors. Some of the riverside restaurants close outright.
Nearby, and something's on
Within 300 km of Mostar — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Mostar?
Mostar in January — FAQ
- Is January a good time to visit Mostar?
- January in Mostar: cold, rainy, with clean air — a fair time to visit. It ranks #11 of 12 months for Mostar on SeasonMap's comfort score (57/100).
- What is the weather like in Mostar in January?
- In January, Mostar averages a daily high of 10.4°C and a low of -0.1°C, with about 138.1 mm of rain over roughly 12.4 rainy days.
- What is the air quality in Mostar in January?
- Mostar has a mean US Air Quality Index of about 29 in January.
- Does it snow in Mostar in January?
- Mostar sees roughly 12.1 cm of snowfall in January.
Within 300 km: Dubrovnik's Advent in the old town on 28 Nov – 6 Jan, and Kotor's Orthodox Christmas on 6–7 Jan.