Mwanza weather in August

In August, Mwanza sees average daytime highs of 26°C and overnight lows near 21°C, with 53 mm of rain across 8.4 wet days and about 11.9 hours of daylight. It is the 6th-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 44% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 11 h 54 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Mwanza's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Mwanza's year-round climate.

Daytime high
26°
6th warmest
Overnight low
21°
2nd coldest
Rainfall
53 mm
8.4 wet days
Daylight
11 h 54 min
6:55 AM – 6:50 PM
Cloud cover
49%
2nd clearest
Wind
13 km/h
2nd windiest
Solar energy
6.26 kWh/m²
Travel score
7.2
out of 10

Mwanza is Lakeside City.

Founded
1892

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 Mwanza reaches about 26°C in the afternoon and slips back to 21°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, August runs on par with July and on par with September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12620
22620
32620
42620
52620
62620
72620
82620
92620
102620
112621
122621
132621
142621
152621
162621
172621
182621
192621
202621
212621
222621
232621
242621
252621
262621
272621
282621
292621
302621
312621

Mwanza weather by month

How August compares with the rest of the year at a glance. August is the 6th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 21°16022.312.14.9
Feb26° / 22°11315.612.15.5
Mar26° / 22°18119.3125.2
Apr26° / 21°1962011.94.9
May26° / 21°8812.711.96.3
Jun26° / 21°336.211.97.3
Jul26° / 20°122.711.98.0
Aug26° / 21°538.411.97.2
Sep26° / 21°10415.4125.9
Oct25° / 21°21124.412.14.5
Nov25° / 21°2662612.14.2
Dec25° / 21°22425.712.14.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36040
46040
56139
66139
76040
86139
96139
106139
116238
126238
136238
146238
156337
166337
176337
186337
196337
206337
216337
226436
236337
246337
256337
266238
276238
286139
296040
306040
316040

Chance of precipitation in August

Any precipitation

Mwanza gets around 53 mm of rain over 8.4 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 27% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
115
216
316
417
518
618
719
820
921
1022
1123
1224
1325
1426
1527
1628
1729
1829
1930
2031
2132
2232
2333
2434
2535
2636
2737
2838
2939
3040
3141

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13543175
23443185
33343185
43343196
53243196
63143206
73142216
83041217
93041227
103040237
112939248
122938258
132937268
142836279
152835289
162835289
1728342910
1827332910
1927333010
2026333011
2126333011
2225333011
2325343012
2424343012
2523343012
2622353113
2721353113
2820353114
2919363114
3018363215
3116363215

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
114light breeze
214light breeze
314light 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
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 54 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 0 minutes over August. Sunrise moves from 6:58 AM to 6:50 AM, and sunset from 6:51 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:586:51
211.96:586:51
311.96:586:51
411.96:576:51
511.96:576:51
611.96:576:51
711.96:576:51
811.96:576:51
911.96:576:51
1011.96:566:51
1111.96:566:51
1211.96:566:51
1311.96:566:50
1411.96:556:50
1511.96:556:50
1611.96:556:50
1711.96:556:50
1811.96:546:50
1911.96:546:50
2011.96:546:49
2111.96:546:49
2211.96:536:49
2311.96:536:49
2411.96:536:49
2511.96:526:48
2611.96:526:48
2711.96:516:48
2811.96:516:48
2911.96:516:47
3011.96:506:47
3111.96:506:47

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.26 kWh/m².

For context, solar energy here swings from a low near 5.63 kWh/m² to a high of 6.57 kWh/m² in February across the year — August's 6.26 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in August

Hazard calendar for Mwanza

In seasonPeak

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

Mwanza's rainy season runs March–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 Mwanza?

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

7.2
Sightseeing
3rd-best month of the year
6.7
Beach & pool
3rd-best month of the year

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

What to pack for Mwanza in August

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

In August, Mwanza sees daytime highs around 26°C and nights near 21°C. Pack sun protection. Worth having: light clothes and rain gear. About 8 days see rain.

sun protectionlight clothesrain gear

UV index in Mwanza 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 Mwanza peaks around March 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 16Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec11Extreme

Air quality in Mwanza 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 Mwanza is worst in January — around 18 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJan 2117 µg/m³Nov 128 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb16Moderate
Mar11Good
Apr9Good
May10Good
Jun14Moderate
Jul16Moderate
Aug15Moderate
Sep13Moderate
Oct9Good
Nov8Good
Dec10Good
Location & terrain

Where is Mwanza?

Mwanza sits at 2.5°S, 32.9°E, 1,144 m above sea level, in Tanzania. The nearest listed city is Kisesa, 15 km away.

Topography around Mwanza

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

Within 3 km, the terrain around Mwanza has only modest variations in elevation — a maximum elevation change of 184 m around an average of 1,180 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 211 m; within 80 km, significant variations in elevation — a maximum elevation change of 502 m.

The land around Mwanza is covered by artificial surfaces (44%) and water (31%) within 3 km, water (37%) and cropland (24%) within 16 km, and cropland (43%) and water (40%) within 80 km.

3 km
184 m
16 km
211 m
80 km
502 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Kisesa 15 km · Usagara 22 km · Sengerema 32 km · Misungwi 42 km · Nansio 46 km · Kihangara 51 km · Muriti 59 km · Magu 61 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 Mwanza (-2.5167°, 32.9°, elevation 1,144 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).