Bianouan weather in May

In May, Bianouan sees average daytime highs of 31°C and overnight lows near 23°C, with 174 mm of rain across 27.3 wet days and about 12.3 hours of daylight. It is the 7th-warmest and 3rd-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 3% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of May to 12 h 18 min by month's end. Set against the rest of the year, May is Bianouan's 9th-clearest and 8th-windiest month. For the whole year in context, see Bianouan's year-round climate.

Daytime high
31°
7th warmest
Overnight low
23°
9th coldest
Rainfall
174 mm
27.3 wet days
Daylight
12 h 18 min
6:01 AM – 6:17 PM
Cloud cover
82%
9th clearest
Wind
6 km/h
8th windiest
Solar energy
4.59 kWh/m²
Travel score
2.7
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 May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical May day in Bianouan reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, May runs about 1°C cooler than April and about 2°C warmer than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How May really feels in Bianouan

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

Bianouan weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 3rd-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21684
31684
41684
51684
61684
71684
81684
91684
101684
111684
121783
131783
141783
151783
161684
171684
181684
191585
201585
211486
221486
231387
241387
251387
261288
271288
281189
291090
30991
31991

Chance of precipitation in May

Any precipitation

Bianouan gets around 174 mm of rain over 27.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 88% and peaks near 91% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
182
283
384
484
585
685
786
887
987
1087
1188
1288
1388
1488
1588
1688
1788
1888
1988
2088
2189
2289
2389
2489
2589
2690
2790
2890
2991
3091
3191

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14060
24060
34060
44159
54159
64258
74258
84357
94456
104555
114555
124654
134753
144852
155050
165149
175248
185347
195545
205644
215743
225842
236040
246139
256337
266535
276634
286832
297030
307129
317327

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 12 min at the start of May to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over May. Sunrise moves from 6:04 AM to 6:01 AM, and sunset from 6:16 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:046:16
212.26:036:16
312.26:036:16
412.26:036:16
512.26:036:16
612.26:026:16
712.26:026:16
812.26:026:16
912.26:026:17
1012.26:026:17
1112.36:016:17
1212.36:016:17
1312.36:016:17
1412.36:016:17
1512.36:016:17
1612.36:016:17
1712.36:016:17
1812.36:016:17
1912.36:016:18
2012.36:006:18
2112.36:006:18
2212.36:006:18
2312.36:006:18
2412.36:006:18
2512.36:006:19
2612.36:006:19
2712.36:006:19
2812.36:006:19
2912.36:006:19
3012.36:006:20
3112.36:016:20

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.59 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 — May's 4.59 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.5Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.4Bright
264.3Bright
274.3Bright
284.3Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in May

Hazard calendar for Bianouan

In seasonPeak

None of Bianouan's seasonal hazards are active in May. 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 May a good time to visit Bianouan?

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

2.7
Sightseeing
10th-best month of the year
3.9
Beach & pool
12th-best month of the year

May is a weaker month for outdoor sightseeing in Bianouan.

What to pack for Bianouan in May

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

In May, Bianouan sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

UV index in Bianouan in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 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 May

GoodModeratePoorUnhealthyVery unhealthy

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