Brazzaville weather in January

In January, Brazzaville sees average daytime highs of 30°C and overnight lows near 23°C, with 116 mm of rain across 20.9 wet days and about 12.2 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 4% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of January to 12 h 12 min by month's end. Set against the rest of the year, January is Brazzaville's 11th-clearest and 8th-windiest month. For the whole year in context, see Brazzaville's year-round climate.

Daytime high
30°
7th warmest
Overnight low
23°
9th coldest
Rainfall
116 mm
20.9 wet days
Daylight
12 h 12 min
6:01 AM – 6:15 PM
Cloud cover
80%
11th clearest
Wind
5 km/h
8th windiest
Solar energy
4.93 kWh/m²
Travel score
3.7
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in Brazzaville reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How January really feels in Brazzaville

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Brazzaville weather by month

How January compares with the rest of the year at a glance. January is the 7th-warmest and 4th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, 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
101882
111882
121882
131783
141783
151783
161783
171684
181684
191585
201585
211585
221585
231585
241684
251684
261684
271684
281684
291684
301684
311684

Chance of precipitation in January

Any precipitation

Brazzaville gets around 116 mm of rain over 20.9 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 68% and peaks near 78% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
178
277
376
476
575
674
773
872
971
1071
1170
1269
1369
1468
1568
1667
1767
1866
1966
2065
2165
2264
2364
2463
2562
2661
2761
2860
2959
3058
3158

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11990
21990
31990
41990
51990
61990
72980
82980
92980
102980
112971
122971
132971
142971
152971
163961
173961
183961
193961
203961
213961
224951
234951
244951
254951
264951
274951
284951
294951
304942
314942

Wind in January

Winds average 5 km/h in January.

Across January, 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 January

DaylightNight

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

Days grow by about 0 minutes over January. Sunrise moves from 5:55 AM to 6:07 AM, and sunset from 6:09 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:556:09
212.25:556:10
312.25:566:10
412.25:566:11
512.25:576:11
612.25:576:11
712.25:586:12
812.25:586:12
912.25:586:13
1012.25:596:13
1112.25:596:13
1212.26:006:14
1312.26:006:14
1412.26:016:14
1512.26:016:15
1612.26:016:15
1712.26:026:15
1812.26:026:15
1912.26:036:16
2012.26:036:16
2112.26:036:16
2212.26:046:16
2312.26:046:17
2412.26:046:17
2512.26:056:17
2612.26:056:17
2712.26:056:17
2812.26:066:17
2912.26:066:18
3012.26:066:18
3112.26:076:18

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.93 kWh/m².

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 — January's 4.93 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.1Bright
315.1Bright
Planning a trip in January

Hazard calendar for Brazzaville

In seasonPeak

In January, 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 January a good time to visit Brazzaville?

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

3.7
Sightseeing
8th-best month of the year
5.0
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Brazzaville.

What to pack for Brazzaville in January

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

In January, Brazzaville sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Brazzaville in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).