Mostar weather in December
December in Mostar: cold, soaked, with clean air — a fair time to visit.
#12 of 12 months in Mostar · #428 of 604 destinations to visit in December · comfort 57/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Mostar climate normals — December
| Daytime high | 11°C / 52°F | 🧥 cold |
|---|---|---|
| Nighttime low | 4°C / 39°F | |
| Feels like (high) | 9°C / 48°F | |
| Rainfall | 232 mm / 9.1 in | ⛈ soaked |
| Rainy days | 15 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 6°C / 43°F | |
| Sunshine | 4.9 h/day | |
| Daylight | 9 h | |
| Wind | 10 km/h / 6 mph | |
| Snowfall | 5.5 cm / 2.2 in | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Mostar in December — FAQ
- Is December a good time to visit Mostar?
- December in Mostar: cold, soaked, with clean air — a fair time to visit. It ranks #12 of 12 months for Mostar on SeasonMap's comfort score (57/100).
- What is the weather like in Mostar in December?
- In December, Mostar averages a daily high of 11°C and a low of 3.8°C, with about 231.5 mm of rain over roughly 15.4 rainy days.
- What is the air quality in Mostar in December?
- Mostar has a mean US Air Quality Index of about 31 in December.
- Does it snow in Mostar in December?
- Mostar sees roughly 5.5 cm of snowfall in December.