Mostar weather in December
Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Poor
Best time to visit: April – June, September – October
What is the weather like in Mostar in December?
In December, Mostar is cool: daytime highs average 10 °C, and nights cool down to about 1 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 13 rainy days and 173 mm in total. All in all, December is not an ideal month for a holiday in Mostar.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 46 | 26 | 25 |
| Day | 15° | 10° | 10° |
| Night | 5° | 1° | 0° |
| Sun | 4 h | 4 h | 4 h |
| Rain days | 14 | 13 | 12 |
More details for December
- Daylight
- 9 h 0 min07:14 – 16:14
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 55 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+1Europe/Sarajevo
How the score comes together
- Temperatureweight 50 %24 %
- Sunshineweight 20 %13 %
- Few rainy daysweight 30 %39 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- A jumper for the evenings
- Rain jacket or umbrella
Mostar in December: quick answers
Is Mostar hot in December?
No. In December, Mostar is cool: daytime highs average 10 °C and nights drop to about 1 °C.
Does it rain much in Mostar in December?
Rain is frequent, with about 13 rainy days and 173 mm in total.
Mostar month by month
The whole year in MostarAll destinations: Bosnia and HerzegovinaWhere to go in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences