Boma weather in June

In June, Boma sees average daytime highs of 27°C and overnight lows near 20°C, with 3 mm of rain across 0.4 wet days and about 11.7 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 9% of the time in June, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of June to 11 h 42 min by month's end. Set against the rest of the year, June is Boma's 1st-clearest and 5th-windiest month. For the whole year in context, see Boma's year-round climate.

Daytime high
27°
10th warmest
Overnight low
20°
3rd coldest
Rainfall
3 mm
0.4 wet days
Daylight
11 h 42 min
6:18 AM – 5:58 PM
Cloud cover
73%
1st clearest
Wind
6 km/h
5th windiest
Solar energy
3.41 kWh/m²
Travel score
7.5
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 June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical June day in Boma reaches about 27°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, June runs about 2°C cooler than May and about 1°C warmer than July.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12822
22821
32821
42821
52821
62821
72821
82721
92721
102720
112720
122720
132720
142720
152720
162720
172720
182720
192720
202720
212719
222719
232719
242719
252719
262719
272719
282619
292619
302619

How June really feels in Boma

Once humidity and wind are folded in, June 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

June 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 June compares with the rest of the year at a glance. June is the 10th-warmest and 11th-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 June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in June, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of June, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11684
21783
31783
41981
51981
62080
72278
82278
92278
102476
112476
122575
132674
142773
152872
162872
172872
182971
192872
202872
212872
222872
232773
242773
252773
262674
272674
282674
292575
302476

Chance of precipitation in June

Any precipitation

Boma gets around 3 mm of rain over 0.4 wet days in June. 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 7% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
17
26
35
44
54
63
73
82
92
102
112
121
131
141
151
161
171
181
191
201
211
221
231
240
250
260
270
280
290
300

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the muggy band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10035641
20039601
30042571
40146530
50150490
60154450
70158410
80260380
90264340
100268300
110370270
120373240
130475210
140577180
150678160
160779140
170880120
180981100
190108190
200118180
210128170
220138160
230148150
240158140
251168030
261177930
271187830
281197730
291217620
301227520

Wind in June

Winds average 6 km/h in June.

Across June, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

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

Days grow by about 0 minutes over June. Sunrise moves from 6:15 AM to 6:21 AM, and sunset from 5:56 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:155:56
211.76:155:56
311.76:155:56
411.76:155:56
511.76:165:56
611.76:165:56
711.76:165:56
811.76:165:57
911.76:175:57
1011.76:175:57
1111.76:175:57
1211.76:175:57
1311.76:175:57
1411.76:185:58
1511.76:185:58
1611.76:185:58
1711.76:185:58
1811.76:195:58
1911.76:195:58
2011.76:195:59
2111.76:195:59
2211.76:195:59
2311.76:205:59
2411.76:206:00
2511.76:206:00
2611.76:206:00
2711.76:206:00
2811.76:216:00
2911.76:216:01
3011.76:216:01

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 3.41 kWh/m².

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 — June's 3.41 kWh/m² sits near the bottom.

01234151015202530
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.3Moderate
43.3Moderate
53.3Moderate
63.3Moderate
73.3Moderate
83.3Moderate
93.4Moderate
103.4Moderate
113.4Moderate
123.4Moderate
133.4Moderate
143.4Moderate
153.4Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.4Moderate
Planning a trip in June

Hazard calendar for Boma

In seasonPeak

None of Boma's seasonal hazards are active in June. 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 June a good time to visit Boma?

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

7.5
Sightseeing
2nd-best month of the year
7.6
Beach & pool
1st-best month of the year

June 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 June

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

In June, Boma sees daytime highs around 27°C and nights near 20°C. Pack light clothes.

light clothes

UV index in Boma in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 June

GoodModeratePoorUnhealthyVery unhealthy

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