Brazzaville weather in December
December in Brazzaville: sweltering, soaked, with very humid — a good time to visit.
#11 of 12 months in Brazzaville · #404 of 604 destinations to visit in December · comfort 61/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Brazzaville climate normals — December
| Daytime high | 29°C / 84°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 191 mm / 7.5 in | ⛈ soaked |
| Rainy days | 26 days | |
| Humidity | 87% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 8.7 h/day | |
| Daylight | 12.4 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 74 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Brazzaville in December — FAQ
- Is December a good time to visit Brazzaville?
- December in Brazzaville: sweltering, soaked, with very humid — a good time to visit. It ranks #11 of 12 months for Brazzaville on SeasonMap's comfort score (61/100).
- What is the weather like in Brazzaville in December?
- In December, Brazzaville averages a daily high of 28.9°C and a low of 22.6°C, with about 191.2 mm of rain over roughly 25.8 rainy days.
- What is the air quality in Brazzaville in December?
- Brazzaville has a mean US Air Quality Index of about 74 in December.