Brno weather in December
December in Brno: cold, a little rain, with clean air — one of the weakest months to visit.
#12 of 12 months in Brno · #794 of 897 destinations to visit in December · comfort 46/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Brno in December
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Brno climate normals — December
| Daytime high | 4°C / 39°F | 🧥 cold |
|---|---|---|
| Nighttime low | -1°C / 31°F | |
| Rainfall | 54 mm / 2.1 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 89% | 💦 very humid |
| Dew point | 0°C / 31°F | |
| Sunshine | 2.8 h/day | |
| Daylight | 8.3 h | |
| Wind | 17 km/h / 11 mph | |
| Snowfall | 18.3 cm / 7.2 in | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Brno in December — FAQ
- Is December a good time to visit Brno?
- December in Brno: cold, a little rain, with clean air — one of the weakest months to visit. It ranks #12 of 12 months for Brno on SeasonMap's comfort score (46/100).
- What is the weather like in Brno in December?
- In December, Brno averages a daily high of 3.8°C and a low of -0.6°C, with about 54.3 mm of rain over roughly 11.4 rainy days.
- What is the air quality in Brno in December?
- Brno has a mean US Air Quality Index of about 45 in December.
- Does it snow in Brno in December?
- Brno sees roughly 18.3 cm of snowfall in December.