Brazzaville weather in March

In March, Brazzaville sees average daytime highs of 31°C and overnight lows near 23°C, with 109 mm of rain across 17.9 wet days and about 12 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 5% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of March to 12 hours by month's end. Set against the rest of the year, March is Brazzaville's 10th-clearest and 7th-windiest month. For the whole year in context, see Brazzaville's year-round climate.

Daytime high
31°
1st warmest
Overnight low
23°
11th coldest
Rainfall
109 mm
17.9 wet days
Daylight
12 hours
6:08 AM – 6:09 PM
Cloud cover
80%
10th clearest
Wind
5 km/h
7th windiest
Solar energy
5.21 kWh/m²
Travel score
3.5
out of 10

Brazzaville is capital of the Republic of the Congo.

Density
3,371/km²
people per km²
Founded
1880

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical March day in Brazzaville reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, March runs on par with February and on par with April.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How March really feels in Brazzaville

Once humidity and wind are folded in, March averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Brazzaville weather by month

How March compares with the rest of the year at a glance. March is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°11620.912.23.7
Feb30° / 23°10215.712.13.8
Mar31° / 23°10917.9123.5
Apr31° / 23°14021.311.93.2
May30° / 23°7314.511.84.4
Jun29° / 21°41.211.86.6
Jul28° / 20°10.211.86.9
Aug29° / 20°5111.96.3
Sep30° / 22°165125.1
Oct30° / 22°11218.712.13.8
Nov29° / 22°1832512.23.3
Dec29° / 22°15624.912.23.5

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 12% of March, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21783
31783
41882
51882
61882
71882
81882
91882
101783
111783
121783
131783
141684
151684
161684
171684
181684
191585
201585
211684
221684
231684
241783
251783
261783
271783
281783
291882
301981
312080

Chance of precipitation in March

Any precipitation

Brazzaville gets around 109 mm of rain over 17.9 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 59% and peaks near 62% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
154
254
354
454
554
654
754
855
956
1056
1157
1258
1358
1459
1559
1660
1760
1861
1961
2061
2161
2262
2362
2462
2562
2662
2762
2862
2962
3062
3162

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the oppressive band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
16913
26913
36913
46922
56922
66922
76922
86922
96922
105932
115932
125932
134942
144942
153952
163952
173952
182962
192962
202962
211972
221972
231972
241972
251972
261972
271972
281972
291972
302962
312962

Wind in March

Winds average 5 km/h in March.

Across March, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 06 min at the start of March to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over March. Sunrise moves from 6:09 AM to 6:05 AM, and sunset from 6:15 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:096:15
212.16:096:14
312.16:096:14
412.16:096:14
512.16:096:13
612.16:096:13
712.16:096:13
812.16:096:12
912.16:096:12
1012.16:096:12
1112.06:086:11
1212.06:086:11
1312.06:086:11
1412.06:086:10
1512.06:086:10
1612.06:086:09
1712.06:076:09
1812.06:076:09
1912.06:076:08
2012.06:076:08
2112.06:076:07
2212.06:076:07
2312.06:066:06
2412.06:066:06
2512.06:066:06
2612.06:066:05
2712.06:066:05
2812.06:056:04
2912.06:056:04
3012.06:056:03
3112.06:056:03

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.21 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.38 kWh/m² to a high of 5.21 kWh/m² in March across the year — March's 5.21 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in March

Hazard calendar for Brazzaville

In seasonPeak

In March, Brazzaville sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Brazzaville's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is March a good time to visit Brazzaville?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.5
Sightseeing
9th-best month of the year
5.2
Beach & pool
8th-best month of the year

March is a weaker month for outdoor sightseeing in Brazzaville.

What to pack for Brazzaville in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Brazzaville sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Brazzaville in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Brazzaville peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 11 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeMar 17UV 15Aug 11UV 6
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar15Extreme
Apr13Extreme
May9Very high
Jun7High
Jul7High
Aug6High
Sep10Very high
Oct13Extreme
Nov12Extreme
Dec10Very high

Air quality in Brazzaville in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Brazzaville is worst in June — around 60 µg/m³ PM2.5 (unhealthy), about 1.8× the cleanest month (January, 33 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJun 2259 µg/m³Jan 1433 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb36Poor
Mar36Poor
Apr39Poor
May53Poor
Jun60Unhealthy
Jul59Unhealthy
Aug55Poor
Sep58Unhealthy
Oct45Poor
Nov33Moderate
Dec34Moderate
Location & terrain

Where is Brazzaville?

Brazzaville sits at 4.3°S, 15.3°E, 284 m above sea level, in Republic of the Congo. The nearest listed city is Kinshasa, 8.0 km away.

InkisiMbanza-NgunguMouyondziLoutétéBouansa

Topography around Brazzaville

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Brazzaville.

Within 3 km, the terrain around Brazzaville has only modest variations in elevation — a maximum elevation change of 81 m around an average of 285 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 336 m; within 80 km, significant variations in elevation — a maximum elevation change of 573 m.

The land around Brazzaville is covered by artificial surfaces (58%) and water (31%) within 3 km, artificial surfaces (33%) and grassland (21%) within 16 km, and grassland (57%) and trees (31%) within 80 km.

3 km
81 m
16 km
336 m
80 km
573 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
March weather nearby: Kinshasa 8.0 km · Masina 18 km · Kasangulu 38 km · Inkisi 99 km · Mbanza-Ngungu 120 km · Mouyondzi 153 km · Loutété 159 km · Bouansa 169 km

Republic of the Congo travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$2,515
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
46%
of population, 2021
Road deaths
29.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Roman Catholic 33%Awakening Churches/Christian Revival 22%Protestant 20%none 11%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Brazzaville (-4.2661°, 15.2832°, elevation 284 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).