Boma weather in August

In August, Boma sees average daytime highs of 26°C and overnight lows near 19°C, with 6 mm of rain across 0.8 wet days and about 11.8 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 2% of the time in August, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Boma's 11th-clearest and 3rd-windiest month. For the whole year in context, see Boma's year-round climate.

Daytime high
26°
11th warmest
Overnight low
19°
2nd coldest
Rainfall
6 mm
0.8 wet days
Daylight
11 h 48 min
6:18 AM – 6:06 PM
Cloud cover
88%
11th clearest
Wind
6 km/h
3rd windiest
Solar energy
3.07 kWh/m²
Travel score
7.3
out of 10

Boma is city in Democratic Republic of the Congo.

Density
4,569/km²
people per km²
Founded
1550

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical August day in Boma reaches about 26°C in the afternoon and slips back to 19°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 28°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12618
22618
32618
42618
52618
62618
72618
82619
92619
102619
112619
122619
132619
142619
152619
162619
172619
182619
192619
202619
212619
222619
232619
242619
252619
262619
272619
282619
292619
302620
312620

How August really feels in Boma

Once humidity and wind are folded in, August averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Boma weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°17621.912.33.4
Feb30° / 24°14419.212.23.4
Mar31° / 24°14720.5123.3
Apr31° / 24°18422.211.93.2
May29° / 23°6311.611.74.9
Jun27° / 20°30.411.77.5
Jul26° / 18°20.111.77.7
Aug26° / 19°60.811.87.3
Sep27° / 20°122.6126.8
Oct29° / 22°5210.412.15.0
Nov30° / 23°1552212.33.4
Dec30° / 23°18723.412.33.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 3% of August, with mostly cloudy or overcast conditions the remaining 95%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
3991
4892
5892
6892
7892
8892
9892
10892
11892
12694
13694
14694
15694
16595
17496
18496
19496
20496
21496
22496
23397
24397
25298
26298
27199
28199
29199
30199
31199

Chance of precipitation in August

Any precipitation

Boma gets around 6 mm of rain over 0.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 2% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
82
92
102
112
122
132
142
152
162
173
183
193
203
213
223
233
243
253
263
273
284
294
304
314

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 67% of days. Sticky, muggy-or-worse air turns up on roughly 67% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
115346
205248
305050
404852
504654
604555
704357
804159
904060
1003862
1103763
1203664
1303466
1403367
1503268
1603268
1703169
1803070
1902971
2002971
2102872
2202773
2302674
2402575
2502377
2602278
2702179
2801981
2901882
3001684
3101585

Wind in August

Winds average 6 km/h in August.

Across August, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 42 min at the start of August to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over August. Sunrise moves from 6:22 AM to 6:11 AM, and sunset from 6:06 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:226:06
211.76:216:06
311.76:216:06
411.86:216:06
511.86:216:06
611.86:216:06
711.86:206:06
811.86:206:06
911.86:206:06
1011.86:206:06
1111.86:196:06
1211.86:196:06
1311.86:196:06
1411.86:186:06
1511.86:186:06
1611.86:186:06
1711.86:176:06
1811.86:176:06
1911.86:176:06
2011.86:166:06
2111.86:166:06
2211.86:156:06
2311.86:156:05
2411.86:156:05
2511.96:146:05
2611.96:146:05
2711.96:136:05
2811.96:136:05
2911.96:126:05
3011.96:126:04
3111.96:116:04

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.07 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.07 kWh/m² to a high of 4.86 kWh/m² in March across the year — August's 3.07 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.3Moderate
43.3Moderate
53.2Moderate
63.2Moderate
73.2Moderate
83.2Moderate
93.2Moderate
103.1Moderate
113.1Moderate
123.1Moderate
133.1Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.1Moderate
193.1Moderate
203.1Moderate
213.1Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.0Moderate
303.0Moderate
313.0Moderate
Planning a trip in August

Hazard calendar for Boma

In seasonPeak

None of Boma's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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

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

Is August a good time to visit Boma?

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

7.3
Sightseeing
3rd-best month of the year
7.1
Beach & pool
3rd-best month of the year

August is one of the better times to visit Boma for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Boma in August

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

In August, Boma sees daytime highs around 26°C and nights near 19°C. Worth packing: light clothes.

light clothes

UV index in Boma in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Boma peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 18 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeMar 15UV 15Jul 18UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May8Very high
Jun7High
Jul6High
Aug7High
Sep10Very high
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Boma in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Boma is worst in July — around 30 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (November, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJul 1429 µg/m³Nov 1710 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb14Moderate
Mar12Moderate
Apr14Moderate
May20Moderate
Jun27Moderate
Jul30Moderate
Aug24Moderate
Sep19Moderate
Oct13Moderate
Nov10Good
Dec12Good
Location & terrain

Where is Boma?

Boma sits at 5.9°S, 13.1°E, 11 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Matadi, 45 km away.

Buco Zau

Topography around Boma

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

Within 3 km, the terrain around Boma has only modest variations in elevation — a maximum elevation change of 142 m around an average of 27 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 436 m; within 80 km, significant variations in elevation — a maximum elevation change of 585 m.

The land around Boma is covered by artificial surfaces (33%), grassland (23%) and water (20%) within 3 km, grassland (58%) and trees (22%) within 16 km, and trees (54%) and grassland (37%) within 80 km.

3 km
142 m
16 km
436 m
80 km
585 m
treesshrubsgrasslandartificial surfaceswaterwetlandmangroves
August weather nearby: Matadi 45 km · Kenge 67 km · Moanda 76 km · Soyo 82 km · Tshela 96 km · Cabinda 100 km · Tombôco 110 km · Buco Zau 133 km

Democratic Republic of the Congo travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 42% of US
price level, 2025
GDP per capita
$807
2025
Happiness
3.8 / 10
World Happiness, 2025
Safe drinking water
12%
of population, 2024
Road deaths
34.9
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 400

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 Boma (-5.851°, 13.0536°, elevation 11 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).