Bianouan weather in December

In December, Bianouan sees average daytime highs of 31°C and overnight lows near 22°C, with 48 mm of rain across 11.9 wet days and about 11.7 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 30% 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 Bianouan's 2nd-clearest and 11th-windiest month. For the whole year in context, see Bianouan's year-round climate.

Daytime high
31°
5th warmest
Overnight low
22°
4th coldest
Rainfall
48 mm
11.9 wet days
Daylight
11 h 42 min
6:19 AM – 5:59 PM
Cloud cover
56%
2nd clearest
Wind
5 km/h
11th windiest
Solar energy
4.52 kWh/m²
Travel score
4.4
out of 10

Bianouan is town and sub-prefecture in Comoé, Ivory Coast.

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 31°C through the month.

A typical December day in Bianouan reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, December runs on par with November and about 1°C cooler than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How December really feels in Bianouan

Once humidity and wind are folded in, December 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 December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Bianouan weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°378.611.74.1
Feb33° / 24°6814.711.83.0
Mar32° / 24°13123.7122.5
Apr32° / 23°13823.512.12.7
May31° / 23°17427.312.32.7
Jun29° / 23°18627.412.33.1
Jul28° / 22°13924.112.33.9
Aug28° / 22°9821.112.24.3
Sep29° / 22°14726123.3
Oct30° / 23°17927.611.92.9
Nov31° / 23°10521.211.73.3
Dec31° / 22°4811.911.74.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24159
34258
44456
54456
64555
74753
84753
94951
104951
115050
125248
135347
145446
155545
165545
175743
185842
195941
206040
216139
226238
236238
246337
256337
266436
276436
286436
296436
306535
316436

Chance of precipitation in December

Any precipitation

Bianouan gets around 48 mm of rain over 11.9 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 39% and peaks near 55% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
155
254
353
451
550
648
747
846
945
1044
1143
1242
1341
1440
1540
1639
1738
1838
1937
2036
2134
2233
2332
2431
2530
2629
2728
2827
2926
3025
3125

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100027127
200027127
300027226
400037225
500037225
600037324
700047323
800047422
900057421
1000057421
1100067420
1200077320
1300077320
1400087220
1500087220
1600097021
1700196921
18001106821
19001106821
20001116721
21002126620
22002126620
23002136520
24003146419
25013146418
26013156417
27114166216
28114166315
29125176213
30125176312
31225186211

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
276calm
286calm
296calm
306calm
316calm

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 6:12 AM to 6:26 AM, and sunset from 5:53 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:125:53
211.76:135:53
311.76:135:53
411.76:145:54
511.76:145:54
611.76:155:54
711.76:155:55
811.76:155:55
911.76:165:56
1011.76:165:56
1111.76:175:56
1211.76:175:57
1311.76:185:57
1411.76:185:58
1511.76:195:58
1611.76:195:59
1711.76:205:59
1811.76:205:59
1911.76:216:00
2011.76:216:00
2111.76:226:01
2211.76:226:01
2311.76:236:02
2411.76:236:02
2511.76:246:03
2611.76:246:03
2711.76:256:04
2811.76:256:04
2911.76:256:05
3011.76:266:05
3111.76:266:06

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.52 kWh/m².

For context, solar energy here swings from a low near 3.71 kWh/m² to a high of 4.99 kWh/m² in January across the year — December's 4.52 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.7Bright
254.7Bright
264.7Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in December

Hazard calendar for Bianouan

In seasonPeak

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

Bianouan sees seasonal dust haze (January–April), heaviest in February.

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

Is December a good time to visit Bianouan?

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

4.4
Sightseeing
1st-best month of the year
6.4
Beach & pool
2nd-best month of the year

December is a reasonable time to visit Bianouan for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Bianouan in December

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

In December, Bianouan sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Bianouan 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 Bianouan peaks around April 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 9 (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 13Dec 17UV 9
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr14Extreme
May11Extreme
Jun11Extreme
Jul9Very high
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Bianouan 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 Bianouan is worst in January — around 68 µg/m³ PM2.5 (unhealthy), about 4.0× the cleanest month (September, 17 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModerateJan 1867 µg/m³Sep 1017 µg/m³
PM2.5 (µg/m³)Level
Jan68Unhealthy
Feb61Unhealthy
Mar39Poor
Apr36Poor
May23Moderate
Jun20Moderate
Jul20Moderate
Aug17Moderate
Sep17Moderate
Oct21Moderate
Nov29Moderate
Dec57Unhealthy
Location & terrain

Where is Bianouan?

Bianouan sits at 6.0°N, 3.2°W, 119 m above sea level, in Ivory Coast. The nearest listed city is Aboisso Comoé, 39 km away.

EbilassokroBiébyAboissoMaféréAhigbé KoffikroNiabléAdzopé

Topography around Bianouan

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

Within 3 km, the terrain around Bianouan has only modest variations in elevation — a maximum elevation change of 88 m around an average of 120 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 153 m; within 80 km, large variations in elevation — a maximum elevation change of 617 m.

The land around Bianouan is covered by trees (89%) within 3 km, trees (93%) within 16 km, and trees (96%) within 80 km.

3 km
88 m
16 km
153 m
80 km
617 m
treesshrubsgrasslandartificial surfaceswater
December weather nearby: Aboisso Comoé 39 km · Ebilassokro 44 km · Biéby 50 km · Aboisso 61 km · Maféré 69 km · Ahigbé Koffikro 70 km · Niablé 73 km · Adzopé 75 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 Bianouan (6.012°, -3.1902°, elevation 119 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).