Coyah weather in August

In August, Coyah sees average daytime highs of 28°C and overnight lows near 23°C, with 741 mm of rain across 30.7 wet days and about 12.3 hours of daylight. It is the 12th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°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 24 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Coyah's 12th-clearest and 1st-windiest month. For the whole year in context, see Coyah's year-round climate.

Daytime high
28°
12th warmest
Overnight low
23°
7th coldest
Rainfall
741 mm
30.7 wet days
Daylight
12 h 18 min
6:48 AM – 7:07 PM
Cloud cover
92%
12th clearest
Wind
7 km/h
1st windiest
Solar energy
3.39 kWh/m²
Travel score
3.2
out of 10

Coyah is human settlement.

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 28°C through the month.

A typical August day in Coyah reaches about 28°C in the afternoon and slips back to 23°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12723
22723
32723
42723
52723
62723
72723
82723
92723
102723
112723
122723
132723
142723
152723
162723
172723
182823
192823
202823
212823
222823
232823
242823
252823
262823
272823
282823
292823
302823
312823

How August really feels in Coyah

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.

Coyah 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
Jan32° / 21°30.811.55.2
Feb33° / 22°10.311.74.8
Mar33° / 23°10.311.94.6
Apr33° / 24°71.412.24.5
May31° / 25°8614.112.43.8
Jun29° / 24°30128.212.63.0
Jul28° / 23°62330.612.53.2
Aug28° / 23°74130.712.33.2
Sep29° / 23°46529.212.13.0
Oct30° / 23°21428.211.82.9
Nov30° / 23°8316.711.64.2
Dec31° / 22°112.611.45.5

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 1% of August, with mostly cloudy or overcast conditions the remaining 99%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30298
31298

Chance of precipitation in August

Any precipitation

Coyah gets around 741 mm of rain over 30.7 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 99% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
199
299
399
499
599
699
799
899
999
1099
1199
1299
1399
1499
1599
1699
1799
1899
1999
2099
2199
2299
2399
2499
2599
2699
2799
2899
2999
3099
3199

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1973
2973
3973
4973
5973
6973
7973
8973
9973
10973
11973
12973
13973
14973
15973
16973
17973
18973
19973
20973
21973
22973
23973
24973
25973
26973
27973
28973
29973
30973
31973

Wind in August

Winds average 7 km/h in August, the windiest month of the year.

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
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 24 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 12 minutes over August. Sunrise moves from 6:47 AM to 6:48 AM, and sunset from 7:13 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:477:13
212.46:477:12
312.46:477:12
412.46:477:12
512.46:477:11
612.46:477:11
712.46:477:11
812.46:477:10
912.46:487:10
1012.46:487:10
1112.46:487:09
1212.46:487:09
1312.36:487:09
1412.36:487:08
1512.36:487:08
1612.36:487:07
1712.36:487:07
1812.36:487:06
1912.36:487:06
2012.36:487:05
2112.36:487:05
2212.36:487:04
2312.36:487:04
2412.36:487:03
2512.26:487:03
2612.26:487:02
2712.26:487:02
2812.26:487:01
2912.26:487:01
3012.26:487:00
3112.26:486:59

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.39 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.39 kWh/m² to a high of 6.51 kWh/m² in March across the year — August's 3.39 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.3Moderate
43.3Moderate
53.3Moderate
63.3Moderate
73.3Moderate
83.3Moderate
93.3Moderate
103.3Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.3Moderate
153.4Moderate
163.4Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in August

Hazard calendar for Coyah

In seasonPeak

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

Coyah's monsoon runs July–September, when most of the year's rain falls.

Coyah sees seasonal dust haze (February–May), heaviest in February.

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

Is August a good time to visit Coyah?

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

3.2
Sightseeing
8th-best month of the year
3.4
Beach & pool
12th-best month of the year

August is a weaker month for outdoor sightseeing in Coyah.

What to pack for Coyah in August

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

In August, Coyah sees daytime highs around 28°C and nights near 23°C. Pack light clothes and rain gear. About 31 days see rain.

light clothesrain gear

Sea temperature near Coyah in August

The nearest coast averages about 27°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 28 km away) is warmest in November at about 29°C and coldest in August near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb27Warm
Mar27Warm
Apr28Warm
May28Tropical
Jun28Tropical
Jul28Warm
Aug27Warm
Sep28Warm
Oct28Tropical
Nov29Tropical
Dec29Tropical

UV index in Coyah 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 Coyah peaks around March 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 15UV 13Dec 14UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr11Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Coyah 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 Coyah is worst in April — around 95 µg/m³ PM2.5 (unhealthy), about 5.5× the cleanest month (August, 17 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModeratePoorUnhealthyApr 1592 µg/m³Aug 1317 µg/m³
PM2.5 (µg/m³)Level
Jan79Unhealthy
Feb89Unhealthy
Mar74Unhealthy
Apr95Unhealthy
May67Unhealthy
Jun30Moderate
Jul19Moderate
Aug17Moderate
Sep21Moderate
Oct33Moderate
Nov46Poor
Dec74Unhealthy
Location & terrain

Where is Coyah?

Coyah sits at 9.7°N, 13.4°W, 13 m above sea level, in Guinea. The nearest listed city is Manéah, 5.0 km away.

KindiaFria

Topography around Coyah

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

Within 3 km, the terrain around Coyah has significant variations in elevation — a maximum elevation change of 532 m around an average of 79 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 996 m; within 80 km, large variations in elevation — a maximum elevation change of 1,191 m.

The land around Coyah is covered by trees (43%) and artificial surfaces (32%) within 3 km, trees (39%) and grassland (27%) within 16 km, and trees (33%) and water (27%) within 80 km.

3 km
532 m
16 km
996 m
80 km
1,191 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
August weather nearby: Manéah 5.0 km · Dubréka 18 km · Dixinn 36 km · Conakry 37 km · Camayenne 38 km · Forécariah 45 km · Kindia 69 km · Fria 77 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 Coyah (9.7064°, -13.3847°, elevation 13 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).