Mostar in Winter
In winter (December, January and February), Mostar sees average daytime highs around 8°C and overnight lows near -0°C, with 463 mm of precipitation over about 35 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across winter, daytime highs hold fairly steady around 8°C. The sky is clear or mostly clear about 36% of the time across winter, and the air most often feels dry.
Winter is Mostar's weakest season of the year to visit on our travel score. For the whole year in context, see Mostar's year-round climate.
- Avg daytime high
- 8°C
- coldest season of the year
- Avg overnight low
- -0°C
- Precipitation
- 463 mm
- 35 wet days
- Avg wind
- 7 km/h
- Travel score
- 1.3
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Mostar in Winter
Across winter, daytime highs hold fairly steady around 8°C.
A typical winter day in Mostar reaches about 8°C and drops to -0°C overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Mostar
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 88 that feel at or below 0°C.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Mostar weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 7° / -1° | 139 | 11.1 | 4.3 | 9.2 | 1.0 |
| Feb | 9° / -0° | 134 | 10.9 | 5 | 10.2 | 1.6 |
| Mar | 13° / 3° | 133 | 11.8 | 3.3 | 11.6 | 3.4 |
| Apr | 17° / 6° | 147 | 13.1 | 1.3 | 13.2 | 4.9 |
| May | 22° / 10° | 109 | 12.4 | 0 | 14.5 | 6.3 |
| Jun | 26° / 14° | 72 | 9.8 | 0 | 15.2 | 6.9 |
| Jul | 29° / 17° | 45 | 6.8 | 0 | 14.9 | 6.2 |
| Aug | 30° / 17° | 53 | 6.6 | 0 | 13.8 | 6.0 |
| Sep | 24° / 13° | 135 | 9.1 | 0 | 12.3 | 7.1 |
| Oct | 19° / 8° | 180 | 10.8 | 0.4 | 10.8 | 6.0 |
| Nov | 13° / 4° | 222 | 13.2 | 1.8 | 9.5 | 3.4 |
| Dec | 8° / 0° | 191 | 12.5 | 3.6 | 8.8 | 1.4 |
Cloud cover in Winter
The sky is clear or mostly clear about 36% of the time across winter.
Chance of precipitation in Winter
Mostar gets around 463 mm of rain and snow over 35 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 7 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 hours in early December to 10 h 48 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 1.9 kWh/m².
Is winter a good time to visit Mostar?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Mostar.
What to pack for Mostar in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Mostar sees daytime highs around 8°C and nights near -0°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 35 days see rain.
Sea temperature near Mostar in Winter
The nearest coast averages about 15°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 60 km away) is warmest in August at about 25°C and coldest in February near 13°C.
It's comfortable for a long swim from Jun 1 to Oct 29 — about 5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 13 | 13 | 15 | 18 | 22 | 24 | 25 | 23 | 21 | 19 | 16 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 13 | Bracing |
| Mar | 13 | Bracing |
| Apr | 15 | Bracing |
| May | 18 | Cool |
| Jun | 22 | Refreshing |
| Jul | 24 | Warm |
| Aug | 25 | Warm |
| Sep | 23 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in Mostar in Winter
Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mostar peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 3 | 5 | 7 | 7 | 9 | 9 | 9 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | High |
| Apr | 7 | Very high |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Mostar in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Mostar is worst in August — around 16 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 7 | 10 | 12 | 16 | 13 | 12 | 11 | 16 | 8 | 7 | 7 | 6 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Good | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 10 | Good |
| Mar | 12 | Good |
| Apr | 16 | Moderate |
| May | 13 | Moderate |
| Jun | 12 | Moderate |
| Jul | 11 | Good |
| Aug | 16 | Moderate |
| Sep | 8 | Good |
| Oct | 7 | Good |
| Nov | 7 | Good |
| Dec | 6 | Good |
Where is Mostar?
Mostar sits at 43.3°N, 17.8°E, 66 m above sea level, in Bosnia and Herzegovina. The nearest listed city is Međugorje, 20 km away.
Topography around Mostar
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mostar.
Within 3 km, the terrain around Mostar has large variations in elevation — a maximum elevation change of 661 m around an average of 217 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,873 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,364 m.
The land around Mostar is covered by trees (35%), shrubs (26%) and artificial surfaces (23%) within 3 km, trees (50%) and grassland (28%) within 16 km, and trees (52%) and grassland (24%) within 80 km.
Bosnia and Herzegovina travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 40% of US
- price level, 2025
- GDP per capita
- $10,382
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Safe drinking water
- 86%
- of population, 2024
- Homicide rate
- 1.2
- per 100k, 2023
- Road deaths
- 13.5
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- High
- EF EPI 591
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Mostar (43.3433°, 17.8081°, elevation 66 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.