Kasamwa weather in August

In August, Kasamwa sees average daytime highs of 29°C and overnight lows near 18°C, with 36 mm of rain across 5.6 wet days and about 11.9 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 33% of the time in August, and the air most often feels dry.

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 Kasamwa's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Kasamwa's year-round climate.

Daytime high
29°
1st warmest
Overnight low
18°
7th coldest
Rainfall
36 mm
5.6 wet days
Daylight
11 h 54 min
6:57 AM – 6:52 PM
Cloud cover
55%
2nd clearest
Wind
10 km/h
2nd windiest
Solar energy
6.09 kWh/m²
Travel score
6.1
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical August day in Kasamwa reaches about 29°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, August runs on par with July and on par with September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12918
22918
32918
42918
52918
62918
72918
82918
92918
102918
112918
122918
132918
142918
152918
162918
172918
182918
192918
202918
212918
222918
232918
242918
252918
262918
272918
282918
292918
302918
312918

Kasamwa weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°12520.912.14.8
Feb28° / 18°9215.412.15.0
Mar28° / 18°12918.8124.8
Apr27° / 18°13317.911.95.0
May28° / 19°478.411.96.4
Jun28° / 18°193.311.86.6
Jul29° / 18°81.411.96.8
Aug29° / 18°365.611.96.1
Sep29° / 18°6811125.5
Oct28° / 18°13719.512.14.8
Nov26° / 18°18824.112.14.2
Dec26° / 18°17123.712.24.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35446
45545
55545
65545
75545
85545
95545
105545
115545
125545
135644
145644
155545
165545
175545
185545
195644
205644
215644
225743
235644
245644
255644
265644
275644
285545
295446
305446
315446

Chance of precipitation in August

Any precipitation

Kasamwa gets around 36 mm of rain over 5.6 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 19% and peaks near 32% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
19
29
310
410
510
611
712
812
913
1013
1114
1215
1315
1416
1517
1618
1718
1819
1920
2021
2122
2223
2323
2424
2526
2627
2728
2829
2930
3031
3132

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 63% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
17713100
27713100
37613110
47613110
57413121
67313131
77114141
87114141
97014151
106914161
116814171
126615181
136515191
146415201
156315211
166215221
176314221
186214231
196014242
205914252
215914252
225814262
235714272
245714272
255614282
265514292
275414302
285314312
295015323
304915323
314816333

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 7:00 AM to 6:52 AM, and sunset from 6:53 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.97:006:53
211.97:006:53
311.97:006:53
411.97:006:53
511.97:006:53
611.96:596:52
711.96:596:52
811.96:596:52
911.96:596:52
1011.96:596:52
1111.96:586:52
1211.96:586:52
1311.96:586:52
1411.96:586:52
1511.96:576:52
1611.96:576:52
1711.96:576:51
1811.96:576:51
1911.96:566:51
2011.96:566:51
2111.96:566:51
2211.96:556:51
2311.96:556:50
2411.96:556:50
2511.96:546:50
2611.96:546:50
2711.96:546:50
2811.96:536:49
2911.96:536:49
3011.96:526:49
3111.96:526:49

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.09 kWh/m².

For context, solar energy here swings from a low near 5.38 kWh/m² to a high of 6.27 kWh/m² in February across the year — August's 6.09 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in August

Hazard calendar for Kasamwa

In seasonPeak

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

Kasamwa's rainy season runs October–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 Kasamwa?

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

6.1
Sightseeing
4th-best month of the year
7.7
Beach & pool
3rd-best month of the year

August is a reasonable time to visit Kasamwa for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Kasamwa in August

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

In August, Kasamwa sees daytime highs around 29°C and nights near 18°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Kasamwa 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 Kasamwa peaks around March 15 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 15UV 16Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec11Extreme

Air quality in Kasamwa 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 Kasamwa is worst in January — around 23 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (October, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 1922 µg/m³Oct 1814 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb21Moderate
Mar17Moderate
Apr15Moderate
May15Moderate
Jun15Moderate
Jul15Moderate
Aug17Moderate
Sep17Moderate
Oct14Moderate
Nov16Moderate
Dec18Moderate
Location & terrain

Where is Kasamwa?

Kasamwa sits at 2.9°S, 32.4°E, 1,199 m above sea level, in Tanzania. The nearest listed city is Geita, 22 km away.

Topography around Kasamwa

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

Within 3 km, the terrain around Kasamwa has only modest variations in elevation — a maximum elevation change of 148 m around an average of 1,211 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 370 m; within 80 km, large variations in elevation — a maximum elevation change of 670 m.

The land around Kasamwa is covered by cropland (60%) within 3 km, cropland (55%) and shrubs (22%) within 16 km, and cropland (54%) and water (20%) within 80 km.

3 km
148 m
16 km
370 m
80 km
670 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Geita 22 km · Sengerema 32 km · Mhalamba 56 km · Katoro 58 km · Mwanza 64 km · Buseresere 65 km · Usagara 66 km · Mhango 67 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 Kasamwa (-2.85°, 32.4333°, elevation 1,199 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).