Soyo weather in August

In August, Soyo sees average daytime highs of 22°C and overnight lows near 21°C, with 1 mm of rain across 0.2 wet days and about 11.8 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 31% 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 Soyo's 4th-clearest and 6th-windiest month. For the whole year in context, see Soyo's year-round climate.

Daytime high
22°
12th warmest
Overnight low
21°
1st coldest
Rainfall
1 mm
0.2 wet days
Daylight
11 h 48 min
6:21 AM – 6:09 PM
Cloud cover
56%
4th clearest
Wind
13 km/h
6th windiest
Solar energy
4.45 kWh/m²
Travel score
8.1
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical August day in Soyo reaches about 22°C in the afternoon and slips back to 21°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 22°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

15°18°20°23°25°151015202531
Avg high (°C)Avg low (°C)
12121
22121
32121
42121
52121
62121
72121
82121
92121
102121
112121
122121
132121
142221
152221
162221
172221
182221
192221
202221
212221
222221
232221
242221
252221
262221
272221
282221
292222
302222
312222

How August really feels in Soyo

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.

Soyo weather by month

How August compares with the rest of the year at a glance. August is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°8713.912.35.7
Feb28° / 26°8913.412.25.5
Mar28° / 27°9414.2125.5
Apr27° / 26°10014.411.95.6
May26° / 25°254.311.77.6
Jun24° / 23°0011.78.8
Jul22° / 21°0011.78.3
Aug22° / 21°10.211.88.1
Sep23° / 22°20.7128.2
Oct25° / 24°184.112.17.6
Nov26° / 25°6411.512.36.3
Dec26° / 25°7912.412.36.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 24% of August, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26337
36238
46139
56139
66040
75941
85842
95842
105743
115644
125644
135644
145644
155644
165545
175545
185446
195446
205446
215347
225347
235248
245248
255248
265149
275149
285050
295050
305050
315050

Chance of precipitation in August

Any precipitation

Soyo gets around 1 mm of rain over 0.2 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 1% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301
311

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 92% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
111890
210900
39910
48920
58920
67930
77930
87930
97930
106940
116931
126931
136931
146931
156931
165932
175932
185923
195923
204924
214915
224915
233916
243916
253907
262917
272908
282908
292908
301909
311909

Wind in August

Winds average 13 km/h in August.

Across August, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

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 6:25 AM to 6:14 AM, and sunset from 6:08 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:256:08
211.76:256:09
311.76:246:09
411.76:246:09
511.76:246:09
611.86:246:09
711.86:236:09
811.86:236:09
911.86:236:09
1011.86:236:09
1111.86:226:09
1211.86:226:09
1311.86:226:09
1411.86:216:09
1511.86:216:09
1611.86:216:09
1711.86:206:08
1811.86:206:08
1911.86:206:08
2011.86:196:08
2111.86:196:08
2211.86:186:08
2311.86:186:08
2411.86:186:08
2511.86:176:08
2611.86:176:08
2711.96:166:07
2811.96:166:07
2911.96:156:07
3011.96:156:07
3111.96:146:07

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.45 kWh/m².

For context, solar energy here swings from a low near 4.41 kWh/m² to a high of 5.33 kWh/m² in February across the year — August's 4.45 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.6Bright
Planning a trip in August

Hazard calendar for Soyo

In seasonPeak

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

Soyo'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 Soyo?

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

8.1
Sightseeing
4th-best month of the year
5.4
Beach & pool
12th-best month of the year

August is one of the better times to visit Soyo for general sightseeing.

What to pack for Soyo in August

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

In August, Soyo sees daytime highs around 22°C and nights near 21°C. Little to plan around — just the basics.

Sea temperature near Soyo in August

The nearest coast averages about 21°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 km away) is warmest in March at about 28°C and coldest in August near 21°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Tropical
Mar28Tropical
Apr28Warm
May26Warm
Jun23Refreshing
Jul22Refreshing
Aug21Refreshing
Sep23Refreshing
Oct25Warm
Nov26Warm
Dec27Warm

UV index in Soyo in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Soyo peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 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 15Aug 10UV 6
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun7High
Jul6High
Aug6High
Sep10Very high
Oct13Extreme
Nov11Extreme
Dec10Extreme

Air quality in Soyo 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 Soyo is worst in July — around 22 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1521 µg/m³Nov 128 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar9Good
Apr10Good
May15Moderate
Jun19Moderate
Jul22Moderate
Aug18Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Soyo?

Soyo sits at 6.1°S, 12.4°E, 10 m above sea level, in Angola. The nearest listed city is Moanda, 23 km away.

MatadiTombôcoN'zetoTshelaKenge

Topography around Soyo

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

Within 3 km, the terrain around Soyo has only modest variations in elevation — a maximum elevation change of 24 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 139 m; within 80 km, significant variations in elevation — a maximum elevation change of 314 m.

The land around Soyo is covered by artificial surfaces (31%), mangroves (30%) and water (22%) within 3 km, water (52%) within 16 km, and water (39%), trees (29%) and grassland (26%) within 80 km.

3 km
24 m
16 km
139 m
80 km
314 m
treesgrasslandartificial surfacesbare terrainwaterwetlandmangroves
August weather nearby: Moanda 23 km · Cabinda 67 km · Boma 82 km · Matadi 125 km · Tombôco 130 km · N'zeto 134 km · Tshela 142 km · Kenge 148 km

Angola travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
220 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$3,129
2025
Happiness
3.8 / 10
World Happiness, 2017
Homicide rate
4.1
per 100k, 2016
Road deaths
26.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 413
Religion
Roman Catholic 41%Protestant 38%none 12%other 9%

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 Soyo (-6.1349°, 12.3689°, elevation 10 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).