Grand-Bassam weather in December

In December, Grand-Bassam sees average daytime highs of 28°C and overnight lows near 26°C, with 63 mm of rain across 18.9 wet days and about 11.7 hours of daylight. It is the 4th-warmest and 10th-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 36% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of December to 11 h 42 min by month's end. Set against the rest of the year, December is Grand-Bassam's 2nd-clearest and 11th-windiest month. For the whole year in context, see Grand-Bassam's year-round climate.

Daytime high
28°
4th warmest
Overnight low
26°
9th coldest
Rainfall
63 mm
18.9 wet days
Daylight
11 h 42 min
6:20 AM – 6:02 PM
Cloud cover
52%
2nd clearest
Wind
11 km/h
11th windiest
Solar energy
4.77 kWh/m²
Travel score
5.3
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 December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December day in Grand-Bassam reaches about 28°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192826
202826
212826
222826
232826
242826
252826
262826
272826
282826
292826
302826
312826

How December really feels in Grand-Bassam

Once humidity and wind are folded in, December 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

December 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 December compares with the rest of the year at a glance. December is the 4th-warmest and 10th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 30% of December, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35842
45941
55941
66040
76139
86139
96337
106337
116535
126535
136733
146733
156832
166931
176931
187030
197129
207129
217129
227129
237129
247228
257129
267129
277129
287030
297030
307030
316931

Chance of precipitation in December

Any precipitation

Grand-Bassam gets around 63 mm of rain over 18.9 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 60% and peaks near 74% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
174
273
372
471
570
669
768
867
966
1065
1164
1263
1363
1462
1561
1661
1760
1860
1959
2058
2157
2256
2355
2454
2553
2652
2751
2849
2948
3047
3146

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1007525
2007426
3007426
4007426
5007426
6007426
7007426
8007426
9007327
10007327
11007228
12007228
13007129
14007030
15006931
16006832
17006733
18006634
19006535
20006436
21006337
22006337
23006238
24006238
25006238
26006238
27016237
28116236
29116236
30116335
31126334

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 42 min at the start of December to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:13 AM to 6:27 AM, and sunset from 5:56 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:135:56
211.76:145:57
311.76:145:57
411.76:145:57
511.76:155:58
611.76:155:58
711.76:165:58
811.76:165:59
911.76:175:59
1011.76:176:00
1111.76:186:00
1211.76:186:00
1311.76:196:01
1411.76:196:01
1511.76:206:02
1611.76:206:02
1711.76:216:03
1811.76:216:03
1911.76:226:03
2011.76:226:04
2111.76:236:04
2211.76:236:05
2311.76:236:05
2411.76:246:06
2511.76:246:06
2611.76:256:07
2711.76:256:07
2811.76:266:08
2911.76:266:08
3011.76:276:09
3111.76:276:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.77 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 — December's 4.77 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
315.0Bright
Planning a trip in December

Hazard calendar for Grand-Bassam

In seasonPeak

None of Grand-Bassam's seasonal hazards are active in December. 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 December a good time to visit Grand-Bassam?

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

5.3
Sightseeing
3rd-best month of the year
5.6
Beach & pool
3rd-best month of the year

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

What to pack for Grand-Bassam in December

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

In December, Grand-Bassam sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Grand-Bassam in December

The nearest coast averages about 28°C in December — 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 December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (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 December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December 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
December 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).