Brazzaville, Republic of the Congo Climate & Monthly Averages
Brazzaville has a tropical wet-and-dry climate. March is the hottest month, averaging 87° by day; July is the coldest at 86°.
Rain, not cold, divides the year in Brazzaville
There is not much of a seasonal calendar in Brazzaville. Its warmest and coolest months differ by 2°C, against a dataset median nearer 15°C, which leaves 87°F (31°C) in March and 86°F (30°C) in July as the two ends of the year.
The wet-and-dry rhythm at a glance
3 months average under 20 mm of rain, the longest unbroken stretch running June through August. July sits at the other end of the year: 86°F (30°C) by day, 69°F (20°C) at night. March is the warm end of the year, averaging 87°F (31°C) by day and 74°F (23°C) overnight. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 95°F (35°C) and the lowest daily minimum 63°F (17°C).
Sunshine averages 9.3 hours a day over the year, peaking in June at 10.2 hours.
Average highs hold at or above 30°C for 7 months of the year, February through May being the unbroken run. Between the average March and the average July lie 2°C, a narrower spread than all but 4% of the 3496 cities in our dataset.
More climate facts for Brazzaville
- Hottest month: March - highs near 87°F (31°C)
- Coldest month: July - highs near 86°F (30°C)
- Decade extremes (2015-2024): 95°F (35°C) high · 63°F (17°C) low
- Wettest month: November (23 rainy days) · Sunniest: June (10.2 h sun/day)
- Climate type: tropical wet-and-dry
- Annual swing: 2°C between the average warmest and coolest month · day to night: 8°C
- Months averaging 30°C or hotter: 7
- Average humidity: 80%
Choosing the right part of the year in Brazzaville
Choose dates by rain, not just temperature
The best time to visit Brazzaville is generally June to September, when humidity and rainfall are at their lowest, which is what actually varies here. Daytime temperatures in that window sit near 87°F (30°C), with rain on about 3 days a month. For the same question asked the other way round, see where else is warm in June.
What the humidity changes
Pack for Brazzaville with light clothing for the warm months, proper waterproofs rather than an umbrella - wet days are the norm here and moisture-wicking fabrics for the humidity. Note the gap between afternoon and night: March pairs 87°F (31°C) with 74°F (23°C).
Warm all year: the monthly rain pattern
Each card shows the average high and low. The bar places that month between Brazzaville's coldest night and warmest afternoon.
January
- Rain
- 17 days
- Sunshine
- 9.2 h
- Daylight
- 12.3 h
February
- Rain
- 16 days
- Sunshine
- 9.0 h
- Daylight
- 12.2 h
March
- Rain
- 18 days
- Sunshine
- 9.2 h
- Daylight
- 12.1 h
April
- Rain
- 19 days
- Sunshine
- 9.2 h
- Daylight
- 12.0 h
May
- Rain
- 13 days
- Sunshine
- 9.9 h
- Daylight
- 11.9 h
June
- Rain
- 1 day
- Sunshine
- 10.2 h
- Daylight
- 11.9 h
July
- Rain
- 1 day
- Sunshine
- 9.9 h
- Daylight
- 11.9 h
August
- Rain
- 3 days
- Sunshine
- 9.2 h
- Daylight
- 12.0 h
September
- Rain
- 7 days
- Sunshine
- 9.4 h
- Daylight
- 12.1 h
October
- Rain
- 19 days
- Sunshine
- 9.1 h
- Daylight
- 12.2 h
November
- Rain
- 23 days
- Sunshine
- 8.6 h
- Daylight
- 12.3 h
December
- Rain
- 24 days
- Sunshine
- 8.9 h
- Daylight
- 12.4 h
Looking for warmer alternatives? Browse warm places by month, or compare Brazzaville's coolest part of the year: December, November, January.
Monthly temperature and rain table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 85° | 73° | 17 | 5.4 in | 9.2 h/day | 12.3 h | 56% | 84% |
| February | 87° | 74° | 16 | 5.8 in | 9.0 h/day | 12.2 h | 57% | 83% |
| March | 87° | 74° | 18 | 6.3 in | 9.2 h/day | 12.1 h | 58% | 82% |
| April | 87° | 74° | 19 | 6.9 in | 9.2 h/day | 12.0 h | 63% | 84% |
| May | 86° | 74° | 13 | 3.3 in | 9.9 h/day | 11.9 h | 42% | 83% |
| June | 86° | 70° | 1 | 0.2 in | 10.2 h/day | 11.9 h | 3% | 76% |
| July | 86° | 69° | 1 | 0.1 in | 9.9 h/day | 11.9 h | 2% | 73% |
| August | 87° | 70° | 3 | 0.7 in | 9.2 h/day | 12.0 h | 11% | 70% |
| September | 88° | 72° | 7 | 1.6 in | 9.4 h/day | 12.1 h | 24% | 71% |
| October | 87° | 73° | 19 | 6.5 in | 9.1 h/day | 12.2 h | 62% | 79% |
| November | 85° | 73° | 23 | 10.1 in | 8.6 h/day | 12.3 h | 76% | 85% |
| December | 85° | 73° | 24 | 8.0 in | 8.9 h/day | 12.4 h | 76% | 85% |
How Brazzaville compares for rain and warmth
- Brazzaville sits close to the middle of our dataset on most measures: 78°F (26°C) as an annual average, 54.9 inches (1395 mm) of precipitation and 9.3 hours of sun a day.
These comparisons use the same ten-year window for every city in the dataset.
How the calendar changes in warm-weather Brazzaville
September through November
September through November in Brazzaville is hot, with daytime highs averaging 87°F (30°C) and nights around 73°F (23°C); rain falls on around 49 of the 90 days.
December through February
Through December through February, Brazzaville is hot: 86°F (30°C) by day, 73°F (23°C) after dark, and rain falls on around 57 of the 90 days.
March through May
Through March through May, Brazzaville sits firmly in the heat: 87°F (30°C) by day, 74°F (23°C) after dark, and rain falls on around 50 of the 90 days.
June through August
Through June through August, Brazzaville runs hot: 86°F (30°C) by day, 70°F (21°C) after dark, and precipitation is sparse, near 1.0 inches (26 mm) for the season.
Questions about heat and rain in Brazzaville
What should I pack for Brazzaville?
How humid does Brazzaville get?
How cold does Brazzaville get in winter?
What is the average temperature in Brazzaville?
How many rainy days does Brazzaville get in a year?
How does Brazzaville compare to other cities?
Brazzaville temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.