Banja Luka weather in December
December in Banja Luka: cold, rainy, with clean air — a good time to visit.
#11 of 12 months in Banja Luka · #615 of 897 destinations to visit in December · comfort 61/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Banja Luka in December
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Banja Luka climate normals — December
| Daytime high | 9°C / 48°F | 🧥 cold |
|---|---|---|
| Nighttime low | 1°C / 35°F | |
| Rainfall | 92 mm / 3.6 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 88% | 💦 very humid |
| Dew point | 4°C / 38°F | |
| Sunshine | 4.8 h/day | |
| Daylight | 8.9 h | |
| Wind | 11 km/h / 7 mph | |
| Snowfall | 13.7 cm / 5.4 in | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Banja Luka in December — FAQ
- Is December a good time to visit Banja Luka?
- December in Banja Luka: cold, rainy, with clean air — a good time to visit. It ranks #11 of 12 months for Banja Luka on SeasonMap's comfort score (61/100).
- What is the weather like in Banja Luka in December?
- In December, Banja Luka averages a daily high of 8.8°C and a low of 1.4°C, with about 92.2 mm of rain over roughly 12.6 rainy days.
- What is the air quality in Banja Luka in December?
- Banja Luka has a mean US Air Quality Index of about 44 in December.
- Does it snow in Banja Luka in December?
- Banja Luka sees roughly 13.7 cm of snowfall in December.