Sumbe weather in August

In August, Sumbe sees average daytime highs of 20°C and overnight lows near 19°C, with 0 mm of rain across 0 wet days and about 11.6 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 68% of the time in August, and the air most often feels humid.

Daylight stretches from about 11 h 30 min at the start of August to 11 h 48 min by month's end. Set against the rest of the year, August is Sumbe's 1st-clearest and 12th-windiest month. For the whole year in context, see Sumbe's year-round climate.

Daytime high
20°
12th warmest
Overnight low
19°
1st coldest
Rainfall
0 mm
0 wet days
Daylight
11 h 36 min
6:20 AM – 5:58 PM
Cloud cover
32%
1st clearest
Wind
11 km/h
12th windiest
Solar energy
5.04 kWh/m²
Travel score
8.3
out of 10

Sumbe is city in Cuanza Sul, Angola.

Density
44/km²
people per km²
Founded
1889

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 20°C through the month.

A typical August day in Sumbe reaches about 20°C in the afternoon and slips back to 19°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 21°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)
12019
22019
32019
42019
52019
62019
72019
82019
92019
102019
112019
122019
132019
142019
152019
162019
172019
182019
192019
202019
212019
222019
232019
242019
252019
262019
272020
282020
292020
302020
312020

Sumbe weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 25°354.212.67.4
Feb27° / 26°39512.46.9
Mar27° / 26°12810.612.16.1
Apr27° / 26°536.611.86.9
May25° / 24°20.311.58.7
Jun23° / 22°20.111.48.7
Jul21° / 20°1011.48.2
Aug20° / 19°0011.68.3
Sep21° / 20°10.411.98.4
Oct23° / 23°61.812.38.3
Nov25° / 24°23412.57.6
Dec25° / 25°314.512.67.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 15%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28317
38317
48317
58317
68416
78416
88416
98416
108317
118317
128416
138416
148317
158416
168416
178515
188515
198614
208614
218713
228713
238713
248812
258812
268812
278812
288812
298812
308713
318713

Chance of precipitation in August

Any precipitation

Sumbe gets around 0 mm of rain over 0 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 0% and peaks near 0% 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
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
118118
218118
318118
418019
517920
617920
717821
817722
917623
1017524
1117326
1217227
1317128
1417029
1516831
1616732
1716534
1816435
1916237
2016138
2106040
2205941
2305743
2405545
2505446
2605248
2705050
2804852
2904753
3004555
3104357

Wind in August

Winds average 11 km/h in August, the calmest month.

Across August, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 30 min at the start of August to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over August. Sunrise moves from 6:26 AM to 6:12 AM, and sunset from 5:56 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:265:56
211.56:255:56
311.56:255:56
411.56:255:56
511.56:245:56
611.56:245:56
711.56:245:57
811.66:235:57
911.66:235:57
1011.66:235:57
1111.66:225:57
1211.66:225:57
1311.66:215:57
1411.66:215:57
1511.66:205:57
1611.66:205:58
1711.66:195:58
1811.66:195:58
1911.76:185:58
2011.76:185:58
2111.76:175:58
2211.76:175:58
2311.76:165:58
2411.76:165:58
2511.76:155:58
2611.76:155:58
2711.76:145:58
2811.76:135:58
2911.86:135:58
3011.86:125:58
3111.86:125:58

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.04 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 5.97 kWh/m² in January across the year — August's 5.04 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in August

Is August a good time to visit Sumbe?

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

8.3
Sightseeing
4th-best month of the year
4.4
Beach & pool
12th-best month of the year

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

What to pack for Sumbe in August

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

In August, Sumbe sees daytime highs around 20°C and nights near 19°C. Worth packing: sun protection.

sun protection

Sea temperature near Sumbe in August

The nearest coast averages about 20°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in March at about 28°C and coldest in August near 20°C.

It's comfortable for a long swim from Aug 23 to Aug 9 — about 11.6 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb27Warm
Mar28Warm
Apr27Warm
May25Warm
Jun23Refreshing
Jul21Refreshing
Aug20Cool
Sep21Refreshing
Oct24Refreshing
Nov26Warm
Dec26Warm

UV index in Sumbe 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 Sumbe peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 14 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeMar 14UV 15Aug 14UV 7
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug7High
Sep8Very high
Oct11Extreme
Nov12Extreme
Dec13Extreme

Air quality in Sumbe 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 Sumbe is worst in July — around 23 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (March, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1722 µg/m³Mar 138 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb8Good
Mar8Good
Apr9Good
May13Moderate
Jun17Moderate
Jul23Moderate
Aug18Moderate
Sep16Moderate
Oct12Moderate
Nov8Good
Dec9Good
Location & terrain

Where is Sumbe?

Sumbe sits at 11.2°S, 13.8°E, 10 m above sea level, in Angola. The nearest listed city is Porto Amboim, 53 km away.

ChindumboCubal do LumboLobito

Topography around Sumbe

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

Within 3 km, the terrain around Sumbe has only modest variations in elevation — a maximum elevation change of 134 m around an average of 23 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 292 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,820 m.

The land around Sumbe is covered by water (31%), artificial surfaces (30%) and grassland (26%) within 3 km, water (46%) and grassland (26%) within 16 km, and water (32%), trees (26%) and grassland (26%) within 80 km.

3 km
134 m
16 km
292 m
80 km
1,820 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Porto Amboim 53 km · Conda 55 km · Ucu Seles 55 km · Capunda 68 km · Gabela 71 km · Chindumbo 107 km · Cubal do Lumbo 127 km · Lobito 133 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 Sumbe (-11.206°, 13.8437°, 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).