Isaka weather in August

In August, Isaka sees average daytime highs of 30°C and overnight lows near 19°C, with 3 mm of rain across 0.6 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 45% of the time in August, and the air most often feels dry.

Daylight stretches from about 11 h 48 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Isaka's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Isaka's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
19°
3rd coldest
Rainfall
3 mm
0.6 wet days
Daylight
11 h 54 min
6:56 AM – 6:49 PM
Cloud cover
45%
2nd clearest
Wind
13 km/h
2nd windiest
Solar energy
6.45 kWh/m²
Travel score
6.1
out of 10

Isaka is settlement in Shinyanga Region, 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 30°C through the month.

A typical August day in Isaka reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13018
23018
33018
43018
53018
63018
73018
83018
93019
103019
113019
123019
133019
143019
153019
163019
173019
183019
193019
203019
213019
223019
233119
243119
253119
263119
273119
283119
293119
303119
313119

How August really feels in Isaka

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.

Isaka weather by month

How August compares with the rest of the year at a glance. August is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°11918.112.24.9
Feb29° / 19°9314.512.14.7
Mar29° / 19°11816.4124.7
Apr28° / 19°9813.511.95.2
May29° / 19°203.911.86.2
Jun29° / 19°20.411.86.5
Jul29° / 18°00.111.86.9
Aug30° / 19°30.611.96.1
Sep32° / 20°71.3125.2
Oct32° / 20°275.112.14.5
Nov30° / 20°10313.312.24.5
Dec28° / 19°13018.512.24.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36535
46436
56436
66337
76337
86337
96436
106337
116337
126337
136337
146337
156436
166535
176535
186535
196634
206634
216733
226832
236832
246832
256832
266931
276931
287030
297030
307030
317030

Chance of precipitation in August

Any precipitation

Isaka gets around 3 mm of rain over 0.6 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 2% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
102
112
122
132
142
152
162
172
182
192
202
212
223
233
243
253
263
273
283
293
303
314

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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19541
29541
39541
49541
59541
69541
79541
89541
99541
109541
119541
129541
139541
149541
159451
169451
179451
189451
199361
209361
219262
229262
239262
249172
259172
269172
279172
289172
299073
309073
319073

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
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light 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 48 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 6 minutes over August. Sunrise moves from 6:59 AM to 6:51 AM, and sunset from 6:49 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:596:49
211.86:596:49
311.86:596:49
411.86:596:49
511.86:596:49
611.86:596:49
711.86:586:49
811.86:586:49
911.96:586:49
1011.96:586:49
1111.96:586:49
1211.96:576:49
1311.96:576:49
1411.96:576:49
1511.96:576:49
1611.96:566:49
1711.96:566:48
1811.96:566:48
1911.96:556:48
2011.96:556:48
2111.96:556:48
2211.96:546:48
2311.96:546:48
2411.96:536:47
2511.96:536:47
2611.96:536:47
2711.96:526:47
2811.96:526:47
2911.96:526:46
3011.96:516:46
3111.96:516:46

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.45 kWh/m².

For context, solar energy here swings from a low near 5.76 kWh/m² to a high of 6.92 kWh/m² in September across the year — August's 6.45 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.7Intense
306.7Intense
316.7Intense
Planning a trip in August

Hazard calendar for Isaka

In seasonPeak

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

Isaka'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 Isaka?

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
8.5
Beach & pool
3rd-best month of the year

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

What to pack for Isaka in August

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

In August, Isaka sees daytime highs around 30°C and nights near 19°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Isaka 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 Isaka peaks around March 10 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 10UV 16Jun 17UV 10
UV index (midday)Level
Jan13Extreme
Feb16Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Isaka 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 Isaka is worst in January — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (May, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJan 1917 µg/m³May 218 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb15Moderate
Mar12Moderate
Apr10Good
May8Good
Jun8Good
Jul10Good
Aug11Good
Sep11Good
Oct10Good
Nov11Good
Dec13Moderate
Location & terrain

Where is Isaka?

Isaka sits at 3.9°S, 32.9°E, 1,201 m above sea level, in Tanzania. The nearest listed city is Tinde, 30 km away.

MhangoSongwaMwadui

Topography around Isaka

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

Within 3 km, the terrain around Isaka has only modest variations in elevation — a maximum elevation change of 34 m around an average of 1,187 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 228 m; within 80 km, significant variations in elevation — a maximum elevation change of 502 m.

The land around Isaka is covered by cropland (85%) within 3 km, cropland (86%) within 16 km, and cropland (75%) within 80 km.

3 km
34 m
16 km
228 m
80 km
502 m
treesshrubsgrasslandcroplandartificial surfaces
August weather nearby: Tinde 30 km · Kahama 38 km · Nzega 45 km · Shinyanga 60 km · Old Shinyanga 65 km · Mhango 69 km · Songwa 78 km · Mwadui 84 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 Isaka (-3.9°, 32.9333°, elevation 1,201 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).