Geiro weather in August

In August, Geiro sees average daytime highs of 23°C and overnight lows near 13°C, with 16 mm of rain across 6.2 wet days and about 11.8 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 21% of the time in August, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Geiro's 6th-clearest and 3rd-windiest month. For the whole year in context, see Geiro's year-round climate.

Daytime high
23°
10th warmest
Overnight low
13°
2nd coldest
Rainfall
16 mm
6.2 wet days
Daylight
11 h 48 min
6:43 AM – 6:31 PM
Cloud cover
57%
6th clearest
Wind
12 km/h
3rd windiest
Solar energy
5.4 kWh/m²
Travel score
7.4
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical August day in Geiro reaches about 23°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 24°C. Set against its neighbours, August runs on par with July and about 2°C cooler than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52213
62213
72213
82213
92213
102213
112213
122213
132213
142213
152213
162313
172313
182313
192313
202313
212313
222313
232313
242313
252313
262313
272313
282313
292313
302313
312313

Geiro weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 18°19920.812.35.0
Feb26° / 17°16316.812.25.2
Mar26° / 18°16922.5124.8
Apr24° / 17°11623.711.94.6
May23° / 16°5715.811.76.0
Jun22° / 14°176.711.77.2
Jul22° / 13°124.711.77.4
Aug23° / 13°166.211.87.4
Sep24° / 14°113.9128.0
Oct26° / 15°267.712.17.3
Nov26° / 17°6612.412.36.3
Dec26° / 18°16018.912.45.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 31% of August, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34654
44555
54555
64654
74555
84555
94654
104753
114753
125050
135050
145149
155347
165347
175446
185644
195644
205644
215743
225842
235842
245842
255842
265842
275842
285842
295842
305941
315941

Chance of precipitation in August

Any precipitation

Geiro gets around 16 mm of rain over 6.2 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 24% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
121
222
322
423
524
624
724
824
923
1023
1122
1222
1321
1421
1520
1619
1719
1818
1918
2017
2117
2216
2316
2416
2516
2615
2715
2815
2915
3015
3116

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 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
173270
272280
371290
470300
569310
669310
768320
868320
967330
1067330
1167330
1267330
1368320
1468320
1568320
1668320
1768320
1869310
1969310
2069310
2170300
2269301
2369301
2469301
2570300
2669310
2769310
2868320
2967330
3066340
3165350

Wind in August

Winds average 12 km/h in August.

Across August, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 42 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 12 minutes over August. Sunrise moves from 6:47 AM to 6:36 AM, and sunset from 6:30 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:476:30
211.76:476:31
311.76:466:31
411.76:466:31
511.76:466:31
611.76:466:31
711.86:456:31
811.86:456:31
911.86:456:31
1011.86:456:31
1111.86:446:31
1211.86:446:31
1311.86:446:31
1411.86:436:31
1511.86:436:31
1611.86:436:31
1711.86:426:30
1811.86:426:30
1911.86:426:30
2011.86:416:30
2111.86:416:30
2211.86:406:30
2311.86:406:30
2411.86:406:30
2511.86:396:30
2611.86:396:30
2711.96:386:29
2811.96:386:29
2911.96:376:29
3011.96:376:29
3111.96:366:29

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.4 kWh/m².

For context, solar energy here swings from a low near 4.93 kWh/m² to a high of 6.66 kWh/m² in October across the year — August's 5.4 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.4Bright
165.4Bright
175.4Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.6Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.8Bright
Planning a trip in August

Hazard calendar for Geiro

In seasonPeak

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

Geiro's monsoon runs December–April, when most of the year's rain falls.

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

Is August a good time to visit Geiro?

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

7.4
Sightseeing
2nd-best month of the year
5.5
Beach & pool
4th-best month of the year

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

What to pack for Geiro in August

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

In August, Geiro sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Geiro 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 Geiro peaks around March 11 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 11UV 16Jun 17UV 10
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr15Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Geiro?

Geiro sits at 6.2°S, 36.9°E, 1,284 m above sea level, in Tanzania. The nearest listed city is Kibaigwa, 26 km away.

KilosaKibakwe

Topography around Geiro

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

Within 3 km, the terrain around Geiro has significant variations in elevation — a maximum elevation change of 458 m around an average of 1,295 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 845 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,016 m.

The land around Geiro is covered by cropland (69%) within 3 km, cropland (71%) within 16 km, and cropland (36%), trees (26%) and shrubs (25%) within 80 km.

3 km
458 m
16 km
845 m
80 km
2,016 m
treesshrubsgrasslandcroplandartificial surfaces
August weather nearby: Kibaigwa 26 km · Mpwapwa 48 km · Msowero 56 km · Dumila 59 km · Magole 61 km · Lubata 65 km · Kilosa 77 km · Kibakwe 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 Geiro (-6.15°, 36.8667°, elevation 1,284 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).