Fall in Brazzaville feels different, and that change shapes daily life and travel plans. You’ll notice warm days with highs around 30–32°C (86–89°F), and nights cool off a bit to about 21–23°C (70–73°F).
The season brings a gradual drop in rainfall, making it one of the more comfortable times to be outside.
Skies clear up as the weeks go by, and rain showers become less frequent. You still get almost 12 hours of daylight, so there’s plenty of time to explore the city or stroll along the Congo River.
This mix of steady warmth, lighter rainfall, and better sunshine makes fall a pretty practical season for experiencing Brazzaville. If you’re curious about the climate for travel, outdoor events, or just everyday comfort, knowing these patterns helps you plan better.
Overview of Fall Weather in Brazzaville
In Brazzaville, fall keeps things warm with just a slight cooling, a clear drop in rainfall, and days that get a bit shorter. You’ll notice changes in humidity, clouds, and precipitation, which set this season apart from the wetter months.
Defining the Fall Season in Brazzaville
Fall in Brazzaville runs from March through May, matching the Southern Hemisphere’s seasonal cycle. During this time, daily high temperatures sit between 30°C and 32°C (86°F–89°F), while lows hover near 23°C (73°F).
Temperatures don’t stray much from this range, so the climate feels stable and predictable. Unlike places with sharp seasonal swings, Brazzaville stays warm year-round because of its tropical savanna climate (Aw).
Daylight drops off slowly during this season. Early March gives you about 12 hours, 11 minutes of sun, but by late May, you get closer to 11 hours, 53 minutes. Sunrise and sunset times shift just a few minutes each week, so changes are gradual.
Humidity stays high, and most days still feel muggy. Still, with less cloud cover and rain, being outdoors is easier than during the peak wet months.
Transition from Dry to Wet Season
Fall bridges Brazzaville’s wetter early months and its drier stretch mid-year. At the start of March, there’s about a 68% chance of rain on any given day, but by late May, that drops to around 30%.
Rainfall totals fall sharply too. In March, there’s about 162 mm of rain over 31 days, but by the end of May, it’s closer to 70 mm. That means fewer heavy downpours and more dry spells.
Cloud cover drops from about 75% in March to 55% in May. You’ll see more partly cloudy skies as the season winds down, though it’s still humid.
Winds shift a bit during these months. Early on, they blow mostly from the west, but by late April and May, they usually come from the east or south.
Comparison to Other Seasons
Compared to the wet season, fall in Brazzaville feels less overwhelming. Rain doesn’t fall as often, skies are clearer, and you get more dry hours to move around the city or enjoy outdoor spaces.
When you look at fall next to the dry season from June to August, there’s still more rain and humidity. July barely sees any rain at all, while fall still brings a decent chance of showers.
Temperatures don’t change much between seasons. Highs almost never dip below 28°C (82°F), even in the coolest months, and lows usually stay above 20°C (68°F). The real differences come from rain, clouds, and humidity, not temperature.
If you’re thinking about visiting, fall offers a nice middle ground. You skip the heaviest rainfall of November and December, but still catch the lush, green scenery that comes with the wet season.
Temperature Patterns During Fall
During fall in Brazzaville, you’ll notice steady warmth with only a slight cooling as the season goes on. Daily highs and lows stay pretty tight, and extreme temperatures don’t really happen, so planning outdoor activities is straightforward.
Average Highs and Lows
In Brazzaville, fall daytime highs usually land between 86°F and 89°F (30°C–32°C). So, you’re not going to get a day that feels too hot or too chilly. Nighttime lows hover around 73°F (23°C), so there’s just a mild drop after sunset.
The difference between day and night is small, so the warmth stays pretty steady. Temperatures almost never go below 69°F (21°C) or above 94°F (34°C) this time of year.
Packing is simple—light clothes work all day, and you don’t need heavy layers at night. The consistent climate is great for outdoor dining or evening walks.
Monthly Temperature Variations
Fall in Brazzaville runs from March through May. You’ll notice a slow cooling trend. Early March often brings highs near 89°F (32°C), while by late May, the average high slides closer to 86°F (30°C).
Lows stick around 73°F (23°C) for most of the season. The change from month to month is subtle, not dramatic.
| Month | Avg High | Avg Low |
|---|---|---|
| March | 89°F / 32°C | 73°F / 23°C |
| April | 87–88°F / 31°C | 73–74°F / 23°C |
| May | 86°F / 30°C | 72–73°F / 22–23°C |
This steady pattern matches the equatorial climate of Congo, where seasons don’t swing much.
Record Temperatures
Fall conditions in Brazzaville stay steady, but records show a few outliers. The hottest day of the year usually hits in early April, with highs around 90°F (32°C). Even then, the heat isn’t as intense as in some other tropical cities.
The coldest period comes in July, outside of fall, when lows can reach 67°F (19°C). During fall, highs stay between 81°F and 94°F (27°C–34°C), and lows between 69°F and 76°F (21°C–24°C).
These narrow ranges just highlight how consistent things are. Expect warm, humid air nearly every day, with little risk of sudden cold snaps or heat waves.
Rainfall and Precipitation Trends
Rainfall in Brazzaville changes a lot during fall, with totals rising as the region shifts from the dry season into the wet season. You’ll notice not just more rain, but also changes in how often and how hard it falls.
Monthly Precipitation Levels
September marks the return of heavier rain after the drier stretch from June to August. Average rainfall in September usually lands between 60–80 mm, which signals the start of wetter conditions.
October brings a sharp jump, with monthly totals close to 120–150 mm. That makes October one of the wetter fall months. November keeps up the trend, averaging around 160–200 mm, putting it among the rainiest times of the year in Brazzaville.
Across these three months, you’ll see a clear buildup in rainfall. September feels like a transition, but October and November bring steady wet weather that shapes daily life.
Onset of the Rainy Season
The rainy season in Brazzaville usually starts in September, though early in the month you might still get some dry days. As September goes on, showers pick up and humidity rises.
By October, the rainy season settles in. Rain isn’t just scattered—it happens more often, usually in the afternoon or evening. November is the peak of this early rainy season, with regular storms and little sign of the dry season.
If you’re traveling, this means you’ll need to prep for wetter weather, especially from mid-September on. Roads can get muddy, and outdoor plans might get interrupted by sudden showers.
Rainy Days and Intensity
Rainy days stack up as fall goes on. In September, you’ll see about 8–10 wet days. By October, that jumps to around 15 days, and in November, it can reach 18–20 days.
Rain tends to fall hard when it comes. Short, intense bursts—especially in the late afternoon—are common. These storms can dump a lot of water fast, adding up to those high monthly totals.
Expect high humidity and less sunshine during these months. Mornings might start clear, but things can change quickly, so carrying rain gear is a smart move if you’re heading outside.
Humidity and Comfort Levels
As fall rolls in, humidity in Brazzaville climbs steadily while the dry season fades and rains return. This change affects how warm the air feels, how comfortable it is to be outside, and how your body handles the climate.
Relative Humidity Changes
Relative humidity rises from about 55% in September to over 80% by November. That’s the shift from the dry season into the wet season.
September feels drier than the later fall months. By October, the air is more saturated, with humidity often topping 70%. November brings some of the highest humidity of the year, along with heavy rain.
This makes things feel increasingly damp and sticky. Even if temperatures stay steady, the extra moisture changes how the heat feels.
| Month | Average Relative Humidity |
|---|---|
| September | ~55% |
| October | ~70% |
| November | ~82% |
Impact on Daily Life
As humidity rises, you might notice some changes in your daily routine. Clothes dry more slowly, indoor spaces feel heavier, and you’ll probably need more breaks if you’re active outside.
Walking or sightseeing in September is easier since the lower humidity lets sweat evaporate. By October and November, that natural cooling slows down, so physical activity feels more tiring.
Higher humidity also means more rain. Roads can get muddy, and local markets or outdoor events might be disrupted. Planning things for earlier in the day, when it’s a bit cooler and less humid, can help you avoid discomfort.
Humidity Index and Perceived Heat
Air temperatures in Brazzaville during fall stay pretty steady, with highs near 29–31°C (85–88°F). But the perceived heat—how hot it actually feels—rises as humidity goes up.
The humidity index combines temperature and moisture to measure that feeling. For example, a 30°C day in September might feel like 32°C, but in November it can feel like 36°C or more.
High humidity makes it harder for your body to cool down by sweating. So, you’ll probably feel warmer than the thermometer says. Staying hydrated, wearing light clothes, and seeking shade can help you stay comfortable.
Sunshine Hours and Daylight
In Brazzaville, fall brings steady daylight and moderate sunshine. You’ll see small shifts in day length and a gradual change in how much sunshine actually reaches the ground.
Average Sunshine Duration
During fall, Brazzaville usually gets a moderate amount of sunshine compared to the brighter months earlier in the year. In September, you’ll see about 5.5 to 6 hours of sunshine per day. October and November drop a bit, averaging closer to 5 hours daily.
Clouds start to build up as the wet season approaches, especially in November. These thicker clouds cut down on the sunlight, but daytime temperatures still feel warm.
Shorter sunshine hours can make afternoons feel even more humid, since less evaporation happens.
If you want to plan outdoor activities, mornings often give you the clearest skies. By midday, clouds roll in and block more of the sun.
This pattern tends to repeat each fall, so you can usually plan your day around the brighter mornings.
| Month | Avg. Daily Sunshine (hrs) |
|---|---|
| September | 5.5–6.0 |
| October | 5.0–5.5 |
| November | 4.5–5.0 |
Daylight Patterns in Fall
Daylight in Brazzaville stays pretty steady during fall since the city sits near the equator. You’ll get about 12 hours of daylight each day, with sunrise around 6:00 a.m. and sunset close to 6:00 p.m.
Places farther from the equator see big changes in day length, but Brazzaville doesn’t. The difference between September and November is just a few minutes.
Even as rain picks up in October and November, the total daylight doesn’t really change. What does change is how bright the days feel—clouds often block the sun, so some days look dimmer even though you technically get the same daylight duration.
If you’re traveling, this steady daylight schedule means you can count on early mornings and late afternoons for sightseeing, even when it’s wet outside.
Travel and Outdoor Activities in Fall
Fall in Brazzaville brings warm days and high humidity. Rainfall drops as the season goes on.
You’ll find outdoor activities more comfortable toward the end of fall, when the skies clear up and rain isn’t as common.
Best Times for Visiting
If you’re thinking of visiting Brazzaville in the fall, you’ll probably notice that March and April are wetter, while May is drier and clearer. Early fall comes with heavy showers and daily rain chances above 60%.
By late May, rainfall drops to less than 3 inches per month, and you’ll see partly clear skies about half the time.
This change makes late April through May the most comfortable window for sightseeing, walking tours, and riverfront visits. Daytime highs usually land near 86–89°F, and evenings hover around 73°F—still warm, but not unbearable.
Outdoor spots like the Congo River, local markets, and cultural sites are a lot easier to enjoy when rain isn’t likely. If you want to skip muddy paths and frequent storms, plan your outings for the second half of the season.
Weather Considerations for Tourists
Humidity hangs around all through fall, and honestly, it feels muggy almost every single day. Even when rainfall drops off by May, you’ll still want to pack light, breathable clothes because the air stays sticky.
A wide-brimmed hat and sunscreen come in handy, since the sun keeps shining about 12 hours a day.
March and April can bring some heavy rain, so tossing a small umbrella in your bag just makes sense. After storms, roads and walking paths—especially near riverbanks—can get pretty slippery.
Winds usually stay light, averaging around 4 mph, so you won’t have to worry about strong breezes. This keeps boat trips on the Congo River calm, but you won’t get much natural cooling either.
Make sure you drink plenty of water and take breaks in the shade, or you’ll find the heat and humidity tough to handle.