Mandiana weather in August

In August, Mandiana sees average daytime highs of 29°C and overnight lows near 22°C, with 270 mm of rain across 26.7 wet days and about 12.4 hours of daylight. It is the 12th-warmest and 1st-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 1% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Mandiana's 12th-clearest and 8th-windiest month. For the whole year in context, see Mandiana's year-round climate.

Daytime high
29°
12th warmest
Overnight low
22°
7th coldest
Rainfall
270 mm
26.7 wet days
Daylight
12 h 24 min
6:28 AM – 6:49 PM
Cloud cover
82%
12th clearest
Wind
8 km/h
8th windiest
Solar energy
4.34 kWh/m²
Travel score
3.3
out of 10

Mandiana is human settlement in Guinea.

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 29°C through the month.

A typical August day in Mandiana reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°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 about 1°C cooler than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302922
312922

How August really feels in Mandiana

Once humidity and wind are folded in, August averages 8 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
8
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Mandiana weather by month

How August compares with the rest of the year at a glance. August is the 12th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 19°20.511.44.8
Feb35° / 21°20.511.63.2
Mar37° / 24°82.311.91.9
Apr37° / 25°408.712.21.7
May34° / 24°10115.912.52.3
Jun31° / 23°16221.512.63.1
Jul29° / 22°23925.312.63.3
Aug29° / 22°27026.712.43.3
Sep30° / 22°24525.612.13.1
Oct31° / 21°1301911.83.5
Nov33° / 20°152.811.54.3
Dec33° / 18°00.111.44.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of August, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21288
31189
41189
51189
61189
71189
81090
91090
101090
111090
121090
131090
141090
151090
161189
171189
181189
191189
201189
211288
221288
231288
241387
251387
261387
271486
281486
291486
301486
311684

Chance of precipitation in August

Any precipitation

Mandiana gets around 270 mm of rain over 26.7 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 86% and peaks near 87% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
285
385
485
585
686
786
886
986
1087
1187
1287
1387
1487
1587
1687
1787
1887
1987
2086
2186
2286
2386
2486
2586
2685
2785
2885
2985
3085
3185

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
1595
2595
3595
4595
5595
6595
7595
8595
9595
10496
11496
12496
13496
14496
15397
16397
17397
18397
19397
20397
21298
22298
23298
24298
25298
26298
27298
28298
29298
30298
31298

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 30 min at the start of August to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over August. Sunrise moves from 6:27 AM to 6:28 AM, and sunset from 6:55 PM to 6:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:276:55
212.56:276:55
312.56:276:54
412.56:276:54
512.46:276:54
612.46:276:54
712.46:276:53
812.46:286:53
912.46:286:52
1012.46:286:52
1112.46:286:52
1212.46:286:51
1312.46:286:51
1412.46:286:50
1512.46:286:50
1612.46:286:49
1712.36:286:49
1812.36:286:49
1912.36:286:48
2012.36:286:48
2112.36:286:47
2212.36:286:46
2312.36:286:46
2412.36:286:45
2512.36:286:45
2612.36:286:44
2712.36:286:44
2812.26:286:43
2912.26:286:43
3012.26:286:42
3112.26:286:41

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.34 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.34 kWh/m² to a high of 6.56 kWh/m² in March across the year — August's 4.34 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in August

Hazard calendar for Mandiana

In seasonPeak

In August, Mandiana sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Mandiana's monsoon runs June–October, when most of the year's rain falls.

Mandiana sees seasonal dust haze (February–June), heaviest in April.

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

Is August a good time to visit Mandiana?

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

3.3
Sightseeing
5th-best month of the year
4.2
Beach & pool
12th-best month of the year

August is a weaker month for outdoor sightseeing in Mandiana.

What to pack for Mandiana in August

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

In August, Mandiana sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

UV index in Mandiana in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mandiana peaks around March 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 16UV 13Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr12Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec7Very high

Air quality in Mandiana 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 Mandiana is worst in March — around 71 µg/m³ PM2.5 (unhealthy), about 7.6× the cleanest month (August, 9 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModerateGoodModeratePoorMar 1170 µg/m³Aug 1610 µg/m³
PM2.5 (µg/m³)Level
Jan55Poor
Feb67Unhealthy
Mar71Unhealthy
Apr50Poor
May24Moderate
Jun20Moderate
Jul13Moderate
Aug9Good
Sep14Moderate
Oct23Moderate
Nov27Moderate
Dec42Poor
Location & terrain

Where is Mandiana?

Mandiana sits at 10.6°N, 8.7°W, 373 m above sea level, in Guinea. The nearest listed city is Kankan, 72 km away.

KankanYanfolilaSiguiriKouroussaKintinianKangabaKérouanéBougouni

Topography around Mandiana

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

Within 3 km, the terrain around Mandiana has only modest variations in elevation — a maximum elevation change of 78 m around an average of 383 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 130 m; within 80 km, only modest variations in elevation — a maximum elevation change of 230 m.

The land around Mandiana is covered by grassland (43%) within 3 km, grassland (52%) and shrubs (22%) within 16 km, and grassland (37%), trees (28%) and shrubs (26%) within 80 km.

3 km
78 m
16 km
130 m
80 km
230 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Kankan 72 km · Yanfolila 86 km · Siguiri 103 km · Kouroussa 130 km · Kintinian 132 km · Kangaba 149 km · Kérouané 155 km · Bougouni 159 km

Guinea travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / K
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,877
2025
Happiness
4.6 / 10
World Happiness, 2025
Road deaths
29.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Muslim 85%Christian 13%none 1%animist 0%

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 Mandiana (10.6258°, -8.6941°, elevation 373 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).