Brasília weather in December
December in Brasília: hot, soaked, with clean air — a great time to visit.
#11 of 12 months in Brasília · #273 of 604 destinations to visit in December · comfort 71/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Brasília climate normals — December
| Daytime high | 27°C / 80°F | 🥵 hot |
|---|---|---|
| Nighttime low | 19°C / 66°F | |
| Feels like (high) | 29°C / 84°F | |
| Rainfall | 234 mm / 9.2 in | ⛈ soaked |
| Rainy days | 23 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 18°C / 64°F | |
| Sunshine | 9.6 h/day | |
| Daylight | 13 h | |
| Wind | 12 km/h / 7 mph | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Brasília in December — FAQ
- Is December a good time to visit Brasília?
- December in Brasília: hot, soaked, with clean air — a great time to visit. It ranks #11 of 12 months for Brasília on SeasonMap's comfort score (71/100).
- What is the weather like in Brasília in December?
- In December, Brasília averages a daily high of 26.6°C and a low of 18.7°C, with about 234.1 mm of rain over roughly 22.8 rainy days.
- What is the air quality in Brasília in December?
- Brasília has a mean US Air Quality Index of about 39 in December.