Brazzaville weather in December
In December, Brazzaville has an average high of 29 °C85 °F and an average low of 22 °C72 °F, with about 249 mm9.8 in of precipitation. It is the 9th warmest month of the year and ranks 2nd for precipitation.
How December compares with other months
Compared with November, December is about the same temperature and drier by 29 mm1.2 in. Compared with January, December is about the same temperature and wetter by 84 mm3.3 in. Daylight lasts about 12.4 hours around the middle of the month. Average relative humidity is 83% and the average cloud amount 84%.
Is December a good time to visit Brazzaville?
December is not among the most comfortable months by our comfort score: it is hot (average high 29 °C85 °F), it is fairly wet (249 mm9.8 in) and it is humid (83%). The most comfortable months in Brazzaville are June–August.
What to wear in December
For Brazzaville in December, pack light summer clothes such as T-shirts, shorts or light dresses and a good rain jacket or umbrella and quick-drying shoes.
December in nearby places
| Place | High °C°F | Low °C°F | Precip. mmin |
|---|---|---|---|
| Brazzaville | 2985 | 2272 | 2499.8 |
| Kinshasa | 2985 | 2373 | 27611 |
| Inkisi | 2882 | 2170 | 2108.3 |
| Mbanza-Ngungu | 2780 | 1967 | 1787.0 |
| Nkayi | 2983 | 2272 | 2429.5 |
| Mbanza Kongo | 2883 | 2069 | 1526.0 |
| Bandundu Province | 2984 | 2373 | 1706.7 |
| Matadi | 3086 | 2272 | 1445.7 |
| Dolisie | 2781 | 2170 | 2188.6 |
Nearby places that are more than 1 °C1.8 °F cooler: Inkisi, Mbanza-Ngungu, Mbanza Kongo and Dolisie.
Other months in Brazzaville
- January30 °C86 °F / 22 °C72 °F
- February30 °C86 °F / 23 °C73 °F
- March30 °C86 °F / 23 °C73 °F
- April30 °C86 °F / 23 °C73 °F
- May30 °C86 °F / 22 °C72 °F
- June30 °C86 °F / 20 °C68 °F
- July30 °C86 °F / 19 °C67 °F
- August31 °C88 °F / 20 °C69 °F
- September32 °C89 °F / 22 °C72 °F
- October31 °C87 °F / 23 °C73 °F
- November29 °C85 °F / 23 °C73 °F
- December29 °C85 °F / 22 °C72 °F
Frequently asked questions
How warm is Brazzaville in December?
In December the average high in Brazzaville is 29 °C (85 °F) and the average low is 22 °C (72 °F).
Does it rain a lot in Brazzaville in December?
On average about 249 mm (9.8 in) of precipitation falls in December; it ranks 2nd of the 12 months.
Is December the warmest month in Brazzaville?
No. The warmest month in Brazzaville is September, with an average high of 32 °C (89 °F). The coldest month is July, with an average low of 19 °C (67 °F).
How long is the day in Brazzaville in December?
In the middle of December the day in Brazzaville lasts about 12.4 hours from sunrise to sunset. The value is calculated from the position of the city and the sun.
How humid is Brazzaville in December?
The average relative humidity in December is about 83%. Combined with warm days, it can feel muggy.
How cloudy is Brazzaville in December?
On average about 84% of the sky is covered by cloud in December. This is the mean cloud amount from satellite data, not the number of sunny days.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.
The grid cell’s average elevation is 438 m, while Brazzaville lies at about 284 m. Temperatures on this page were therefore adjusted by +1 °C1.8 °F using the standard lapse rate of 6.5 °C per 1,000 m.