Koumbia weather in August

In August, Koumbia sees average daytime highs of 30°C and overnight lows near 23°C, with 374 mm of rain across 28.3 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 30°C through the month. The sky is clear or mostly clear about 0% 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 Koumbia's 12th-clearest and 5th-windiest month. For the whole year in context, see Koumbia's year-round climate.

Daytime high
30°
12th warmest
Overnight low
23°
8th coldest
Rainfall
374 mm
28.3 wet days
Daylight
12 h 24 min
6:46 AM – 7:10 PM
Cloud cover
87%
12th clearest
Wind
8 km/h
5th windiest
Solar energy
4.11 kWh/m²
Travel score
2.9
out of 10

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 Koumbia reaches about 30°C in the afternoon and slips back to 23°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 32°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)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How August really feels in Koumbia

Once humidity and wind are folded in, August averages 31 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
31
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.

Koumbia 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
Jan34° / 19°10.311.44.1
Feb36° / 21°10.111.62.9
Mar37° / 23°10.111.91.9
Apr38° / 25°20.712.31.5
May36° / 25°356.812.52.0
Jun32° / 24°1301712.73.0
Jul30° / 23°28926.712.63.0
Aug30° / 23°37428.312.42.9
Sep31° / 23°29726.812.12.7
Oct32° / 23°17820.611.73.1
Nov32° / 21°264.211.54.4
Dec33° / 19°20.311.34.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 4% of August, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2694
3595
4595
5595
6496
7496
8496
9496
10397
11397
12397
13397
14397
15397
16298
17298
18298
19397
20397
21397
22397
23397
24397
25397
26397
27496
28496
29496
30496
31595

Chance of precipitation in August

Any precipitation

Koumbia gets around 374 mm of rain over 28.3 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 91% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
190
290
390
490
590
690
790
890
990
1091
1191
1291
1391
1492
1592
1692
1792
1892
1992
2092
2192
2292
2392
2492
2592
2692
2792
2892
2992
3092
3192

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
Oppressive (%)Miserable (%)
1964
2964
3964
4964
5964
6964
7964
8964
9964
10964
11964
12964
13964
14964
15964
16964
17964
18973
19973
20973
21973
22973
23973
24973
25973
26973
27973
28973
29973
30973
31973

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 6:44 AM to 6:47 AM, and sunset from 7:16 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:447:16
212.56:447:16
312.56:457:15
412.56:457:15
512.56:457:15
612.56:457:14
712.56:457:14
812.56:457:13
912.56:467:13
1012.46:467:13
1112.46:467:12
1212.46:467:12
1312.46:467:11
1412.46:467:11
1512.46:467:10
1612.46:467:10
1712.46:467:09
1812.46:467:09
1912.46:467:08
2012.46:477:08
2112.36:477:07
2212.36:477:07
2312.36:477:06
2412.36:477:06
2512.36:477:05
2612.36:477:04
2712.36:477:04
2812.36:477:03
2912.36:477:03
3012.36:477:02
3112.26:477:01

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.11 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.11 kWh/m² to a high of 6.97 kWh/m² in April across the year — August's 4.11 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.2Bright
314.2Bright
Planning a trip in August

Hazard calendar for Koumbia

In seasonPeak

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

Koumbia's monsoon runs July–October, when most of the year's rain falls.

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

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

Is August a good time to visit Koumbia?

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

2.9
Sightseeing
7th-best month of the year
3.9
Beach & pool
12th-best month of the year

August is a weaker month for outdoor sightseeing in Koumbia.

What to pack for Koumbia in August

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

In August, Koumbia sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Koumbia 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 Koumbia peaks around March 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 18UV 13Dec 17UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr12Extreme
May10Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec7Very high

Air quality in Koumbia 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 Koumbia is worst in May — around 90 µg/m³ PM2.5 (unhealthy), about 7.2× the cleanest month (August, 12 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyModeratePoorMay 1188 µg/m³Aug 1713 µg/m³
PM2.5 (µg/m³)Level
Jan48Poor
Feb62Unhealthy
Mar59Unhealthy
Apr83Unhealthy
May90Unhealthy
Jun29Moderate
Jul16Moderate
Aug12Moderate
Sep15Moderate
Oct31Moderate
Nov34Moderate
Dec47Poor
Location & terrain

Where is Koumbia?

Koumbia sits at 11.8°N, 13.5°W, 115 m above sea level, in Guinea. The nearest listed city is Wendou Borou, 58 km away.

Wendou BorouKamabiKoundaraSangarédiGabúTéliméléBokéBafatá

Topography around Koumbia

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

Within 3 km, the terrain around Koumbia has only modest variations in elevation — a maximum elevation change of 158 m around an average of 147 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 410 m; within 80 km, large variations in elevation — a maximum elevation change of 1,072 m.

The land around Koumbia is covered by trees (41%) and shrubs (38%) within 3 km, trees (49%) and shrubs (33%) within 16 km, and trees (60%) and shrubs (20%) within 80 km.

3 km
158 m
16 km
410 m
80 km
1,072 m
treesshrubsgrasslandcroplandartificial surfaces
August weather nearby: Wendou Borou 58 km · Kamabi 67 km · Koundara 79 km · Sangarédi 83 km · Gabú 95 km · Télimélé 112 km · Boké 129 km · Bafatá 133 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 Koumbia (11.8°, -13.5°, elevation 115 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).