Brazzaville, Republic of the Congo Climate & Monthly Averages
The climate of 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.
Climate quick facts
- 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%
Temperatures through the year
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.
Rain, sun and snow
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.
How Brazzaville compares
- 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.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate 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% |
Brazzaville month by month
Average high and low for each month, with the bar showing where it sits in Brazzaville's year (left is the coldest night, right is the 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
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
Seasons in 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.
Climate questions, answered
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?
Best time to visit Brazzaville
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.
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).
Brazzaville temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.