Grand-Bassam weather in August

In August, Grand-Bassam sees average daytime highs of 25°C and overnight lows near 24°C, with 64 mm of rain across 14.3 wet days and about 12.2 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 7% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of August to 12 h 06 min by month's end. Set against the rest of the year, August is Grand-Bassam's 9th-clearest and 2nd-windiest month. For the whole year in context, see Grand-Bassam's year-round climate.

Daytime high
25°
12th warmest
Overnight low
24°
1st coldest
Rainfall
64 mm
14.3 wet days
Daylight
12 h 12 min
6:14 AM – 6:24 PM
Cloud cover
74%
9th clearest
Wind
15 km/h
2nd windiest
Solar energy
4.47 kWh/m²
Travel score
5.9
out of 10

Grand-Bassam is city of côte d'ivoire.

Density
762/km²
people per km²

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 25°C through the month.

A typical August day in Grand-Bassam reaches about 25°C in the afternoon and slips back to 24°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 25°C. Set against its neighbours, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12524
22524
32524
42524
52524
62524
72524
82524
92524
102524
112524
122523
132523
142523
152523
162523
172523
182523
192523
202523
212523
222523
232523
242523
252523
262523
272523
282523
292523
302524
312524

How August really feels in Grand-Bassam

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.

Grand-Bassam weather by month

How August compares with the rest of the year at a glance. August is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 26°4713.711.76.0
Feb28° / 26°5516.311.85.2
Mar28° / 26°7820.2124.4
Apr28° / 26°10321.912.14.1
May28° / 26°20627.912.23.6
Jun27° / 25°25027.312.33.8
Jul25° / 24°12919.812.35.1
Aug25° / 24°6414.312.25.9
Sep25° / 24°8818.3125.3
Oct26° / 25°10724.311.94.5
Nov28° / 25°9324.211.84.3
Dec28° / 26°6318.911.75.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32674
42674
52674
62674
72674
82773
92773
102773
112773
122773
132674
142674
152674
162575
172575
182575
192575
202674
212674
222674
232674
242674
252674
262773
272773
282773
292773
302872
312872

Chance of precipitation in August

Any precipitation

Grand-Bassam gets around 64 mm of rain over 14.3 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 47% and peaks near 52% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
147
246
346
445
545
645
745
845
945
1045
1145
1245
1345
1446
1546
1646
1746
1847
1947
2047
2147
2247
2348
2448
2549
2649
2750
2850
2951
3052
3152

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 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
11090
21090
31090
41090
51090
6991
7991
8991
9892
10892
11793
12793
13694
14694
15595
16595
17496
18496
19496
20397
21397
22298
23298
24298
25298
26199
27199
28199
29199
30199
31199

Wind in August

Winds average 15 km/h in August.

Across August, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 12 min at the start of August to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over August. Sunrise moves from 6:14 AM to 6:12 AM, and sunset from 6:28 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:146:28
212.26:146:28
312.26:146:28
412.26:146:27
512.26:146:27
612.26:146:27
712.26:146:27
812.26:146:27
912.26:146:26
1012.26:146:26
1112.26:146:26
1212.26:146:25
1312.26:146:25
1412.26:146:25
1512.26:146:25
1612.26:146:24
1712.26:146:24
1812.26:146:24
1912.26:146:23
2012.26:146:23
2112.26:136:22
2212.16:136:22
2312.16:136:22
2412.16:136:21
2512.16:136:21
2612.16:136:20
2712.16:136:20
2812.16:126:20
2912.16:126:19
3012.16:126:19
3112.16:126:18

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.47 kWh/m².

For context, solar energy here swings from a low near 4.19 kWh/m² to a high of 5.52 kWh/m² in March across the year — August's 4.47 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in August

Hazard calendar for Grand-Bassam

In seasonPeak

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

Grand-Bassam's rainy season runs May–July, when most of the year's rain falls.

Grand-Bassam sees seasonal dust haze (January–February), heaviest in February.

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

Is August a good time to visit Grand-Bassam?

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

5.9
Sightseeing
2nd-best month of the year
5.3
Beach & pool
4th-best month of the year

August is a reasonable time to visit Grand-Bassam for sightseeing.

What to pack for Grand-Bassam in August

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

In August, Grand-Bassam sees daytime highs around 25°C and nights near 24°C. Pack rain gear. Worth having: light clothes. About 14 days see rain.

rain gearlight clothes

Sea temperature near Grand-Bassam in August

The nearest coast averages about 24°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 16 km away) is warmest in April at about 28°C and coldest in August near 24°C.

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

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar28Tropical
Apr28Tropical
May28Tropical
Jun27Warm
Jul25Warm
Aug24Refreshing
Sep24Warm
Oct26Warm
Nov28Tropical
Dec28Tropical

UV index in Grand-Bassam 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 Grand-Bassam peaks around April 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 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 highExtremeVery highApr 12UV 13Jul 16UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul8Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in Grand-Bassam 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 Grand-Bassam is worst in January — around 72 µg/m³ PM2.5 (unhealthy), about 3.3× the cleanest month (August, 22 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorJan 1671 µg/m³Aug 2422 µg/m³
PM2.5 (µg/m³)Level
Jan72Unhealthy
Feb61Unhealthy
Mar42Poor
Apr40Poor
May29Moderate
Jun27Moderate
Jul25Moderate
Aug22Moderate
Sep22Moderate
Oct27Moderate
Nov36Poor
Dec61Unhealthy
Location & terrain

Where is Grand-Bassam?

Grand-Bassam sits at 5.2°N, 3.7°W, 7 m above sea level, in Ivory Coast. The nearest listed city is Bonoua, 17 km away.

Ahigbé KoffikroAnyama

Topography around Grand-Bassam

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

Within 3 km, the terrain around Grand-Bassam has only modest variations in elevation — a maximum elevation change of 14 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 98 m; within 80 km, only modest variations in elevation — a maximum elevation change of 201 m.

The land around Grand-Bassam is covered by artificial surfaces (29%), grassland (22%) and water (21%) within 3 km, water (49%) and trees (34%) within 16 km, and trees (55%) and water (38%) within 80 km.

3 km
14 m
16 km
98 m
80 km
201 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Bonoua 17 km · Bingerville 23 km · Koumassi 27 km · Marcory 30 km · Abidjan 33 km · Abobo 38 km · Ahigbé Koffikro 45 km · Anyama 47 km

Ivory Coast travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 37% of US
price level, 2025
GDP per capita
$3,050
2025
Happiness
5.1 / 10
World Happiness, 2025
Safe drinking water
36%
of population, 2024
Road deaths
24.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 393

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 Grand-Bassam (5.2118°, -3.7388°, elevation 7 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).