Sumbawanga weather in August

In August, Sumbawanga sees average daytime highs of 24°C and overnight lows near 12°C, with 2 mm of rain across 0.4 wet days and about 11.7 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 50% of the time in August, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of August to 11 h 48 min by month's end. Set against the rest of the year, August is Sumbawanga's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Sumbawanga's year-round climate.

Daytime high
24°
4th warmest
Overnight low
12°
3rd coldest
Rainfall
2 mm
0.4 wet days
Daylight
11 h 42 min
7:06 AM – 6:50 PM
Cloud cover
40%
2nd clearest
Wind
9 km/h
3rd windiest
Solar energy
6.3 kWh/m²
Travel score
8.8
out of 10

Sumbawanga is city located in western Tanzania.

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 24°C through the month.

A typical August day in Sumbawanga reaches about 24°C in the afternoon and slips back to 12°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 25°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12311
22311
32311
42311
52311
62312
72312
82312
92312
102312
112412
122412
132412
142412
152412
162412
172412
182412
192412
202412
212412
222412
232412
242412
252412
262413
272413
282413
292413
302413
312413

Sumbawanga weather by month

How August compares with the rest of the year at a glance. August is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 14°30428.412.43.7
Feb22° / 14°23923.612.34.0
Mar22° / 14°2792612.14.1
Apr22° / 14°16018.811.85.2
May23° / 13°305.111.67.7
Jun23° / 11°20.211.58.6
Jul23° / 11°10.211.68.7
Aug24° / 12°20.411.78.8
Sep25° / 14°81.1128.5
Oct25° / 15°405.712.27.4
Nov24° / 15°14815.612.45.7
Dec22° / 14°28226.412.54.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 25% of August, with mostly cloudy or overcast conditions the remaining 25%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37426
47426
57426
67426
77327
87327
97426
107426
117426
127426
137525
147525
157624
167624
177624
187723
197723
207723
217723
227822
237822
247822
257723
267723
277723
287624
297624
307426
317426

Chance of precipitation in August

Any precipitation

Sumbawanga gets around 2 mm of rain over 0.4 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 3% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
52
62
72
82
92
102
112
122
132
141
151
161
171
181
191
201
211
221
231
241
251
262
272
282
292
303
313

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
29991
30991
31991

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 36 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 12 minutes over August. Sunrise moves from 7:10 AM to 6:58 AM, and sunset from 6:49 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:106:49
211.77:106:49
311.77:106:49
411.77:096:49
511.77:096:49
611.77:096:49
711.77:096:50
811.77:086:50
911.77:086:50
1011.77:086:50
1111.77:076:50
1211.77:076:50
1311.77:076:50
1411.77:066:50
1511.77:066:50
1611.77:066:50
1711.77:056:50
1811.77:056:50
1911.87:046:50
2011.87:046:50
2111.87:036:50
2211.87:036:50
2311.87:026:49
2411.87:026:49
2511.87:026:49
2611.87:016:49
2711.87:016:49
2811.87:006:49
2911.86:596:49
3011.86:596:49
3111.86:586:49

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.3 kWh/m².

For context, solar energy here swings from a low near 5.08 kWh/m² to a high of 6.79 kWh/m² in September across the year — August's 6.3 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.6Intense
Planning a trip in August

Hazard calendar for Sumbawanga

In seasonPeak

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

Sumbawanga sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Sumbawanga's monsoon runs November–April, when most of the year's rain falls.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Sumbawanga?

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

8.8
Sightseeing
1st-best month of the year
7.3
Beach & pool
2nd-best month of the year

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

What to pack for Sumbawanga in August

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

In August, Sumbawanga sees daytime highs around 24°C and nights near 12°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Sumbawanga in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sumbawanga peaks around February 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 16Jun 17UV 10
UV index (midday)Level
Jan16Extreme
Feb17Extreme
Mar16Extreme
Apr15Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec14Extreme

Air quality in Sumbawanga 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 Sumbawanga is worst in September — around 23 µg/m³ PM2.5 (moderate), about 3.8× the cleanest month (May, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1223 µg/m³May 146 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar9Good
Apr7Good
May6Good
Jun9Good
Jul15Moderate
Aug21Moderate
Sep23Moderate
Oct18Moderate
Nov11Good
Dec8Good
Location & terrain

Where is Sumbawanga?

Sumbawanga sits at 8.0°S, 31.6°E, 1,833 m above sea level, in Tanzania. The nearest listed city is Matai, 39 km away.

NamanyereLaelaMbalaMpulunguUseviaKirando

Topography around Sumbawanga

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

Within 3 km, the terrain around Sumbawanga has only modest variations in elevation — a maximum elevation change of 126 m around an average of 1,833 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,171 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,666 m.

The land around Sumbawanga is covered by artificial surfaces (44%) and cropland (34%) within 3 km, cropland (55%) and grassland (21%) within 16 km, and cropland (32%), trees (20%) and water (20%) within 80 km.

3 km
126 m
16 km
1,171 m
80 km
1,666 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Matai 39 km · Chala 57 km · Namanyere 80 km · Laela 82 km · Mbala 101 km · Mpulungu 104 km · Usevia 105 km · Kirando 128 km

Tanzania travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$1,319
2025
Happiness
3.9 / 10
World Happiness, 2025
Safe drinking water
31%
of population, 2024
Homicide rate
3.7
per 100k, 2020
Road deaths
31.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 479
Religion
Christian 63%Muslim 34%folk religion 1%

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 Sumbawanga (-7.9667°, 31.6167°, elevation 1,833 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).