Benin City weather in May

In May, Benin City sees average daytime highs of 31°C and overnight lows near 23°C, with 256 mm of rain across 28.7 wet days and about 12.3 hours of daylight. It is the 7th-warmest and 6th-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 1% of the time in May, and the air most often feels miserable.

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 Benin City's 8th-clearest and 9th-windiest month. For the whole year in context, see Benin City's year-round climate.

Daytime high
31°
7th warmest
Overnight low
23°
9th coldest
Rainfall
256 mm
28.7 wet days
Daylight
12 h 18 min
6:25 AM – 6:42 PM
Cloud cover
85%
8th clearest
Wind
5 km/h
9th windiest
Solar energy
4.28 kWh/m²
Travel score
2.6
out of 10

Benin City is capital city of Edo State, Nigeria.

Density
1,480/km²
people per km²
Founded
1899

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 Benin City reaches about 31°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How May really feels in Benin City

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.

Benin City weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°338.911.73.5
Feb33° / 24°5814.711.82.8
Mar32° / 24°14623.8122.5
Apr31° / 24°20525.612.12.6
May31° / 23°25628.712.32.6
Jun29° / 23°29529.312.42.8
Jul28° / 22°29329.912.33.2
Aug28° / 22°26628.312.23.5
Sep29° / 22°30929.2123.0
Oct30° / 23°26329.611.92.8
Nov31° / 23°9318.611.73.4
Dec32° / 22°288.611.64.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 7% of May, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
31090
41090
51090
61090
7991
8991
9991
10991
11991
12991
13991
14991
15991
16892
17892
18892
19892
20892
21892
22793
23694
24694
25694
26595
27595
28595
29595
30595
31595

Chance of precipitation in May

Any precipitation

Benin City gets around 256 mm of rain over 28.7 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 93% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
190
290
391
491
591
692
792
892
992
1093
1193
1293
1393
1493
1594
1694
1794
1894
1994
2094
2194
2294
2393
2493
2593
2693
2793
2893
2993
3093
3194

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12575
22674
32674
42773
52872
62872
72971
82971
93070
103070
113169
123169
133268
143268
153367
163466
173565
183664
193763
203961
214060
224159
234357
244555
254753
264852
275050
285248
295446
305644
315743

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 5 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
275calm
285calm
295calm
305calm
315calm

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 6:28 AM to 6:25 AM, and sunset from 6:41 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:286:41
212.26:286:41
312.26:286:41
412.26:276:41
512.26:276:41
612.26:276:41
712.26:276:42
812.36:266:42
912.36:266:42
1012.36:266:42
1112.36:266:42
1212.36:266:42
1312.36:256:42
1412.36:256:42
1512.36:256:42
1612.36:256:42
1712.36:256:43
1812.36:256:43
1912.36:256:43
2012.36:256:43
2112.36:256:43
2212.36:256:43
2312.36:256:43
2412.36:256:44
2512.36:256:44
2612.36:256:44
2712.36:256:44
2812.36:256:44
2912.36:256:45
3012.36:256:45
3112.36:256:45

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.28 kWh/m².

For context, solar energy here swings from a low near 3.54 kWh/m² to a high of 5.26 kWh/m² in January across the year — May's 4.28 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.0Bright
294.0Bright
304.0Bright
314.0Bright
Planning a trip in May

Hazard calendar for Benin City

In seasonPeak

In May, Benin City sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Benin City's rainy season runs March–October, when most of the year's rain falls.

Benin City sees seasonal dust haze (December–April), heaviest in February.

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

Is May a good time to visit Benin City?

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

2.6
Sightseeing
10th-best month of the year
3.7
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Benin City.

What to pack for Benin City in May

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

In May, Benin City sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

UV index in Benin City 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 Benin City peaks around March 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highExtremeExtremeVery highMar 22UV 12Dec 21UV 8
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug9Very high
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Benin City 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 Benin City is worst in January — around 166 µg/m³ PM2.5 (very unhealthy), about 4.4× the cleanest month (August, 38 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecVery unhealthyUnhealthyPoorUnhealthyJan 16164 µg/m³Aug 1339 µg/m³
PM2.5 (µg/m³)Level
Jan166Very unhealthy
Feb147Unhealthy
Mar85Unhealthy
Apr82Unhealthy
May65Unhealthy
Jun53Poor
Jul42Poor
Aug38Poor
Sep47Poor
Oct64Unhealthy
Nov76Unhealthy
Dec148Unhealthy
Location & terrain

Where is Benin City?

Benin City sits at 6.3°N, 5.6°E, 88 m above sea level, in Nigeria. The nearest listed city is Sapele, 50 km away.

UromiUbiajaWarriOwoOgwashi-Uku

Topography around Benin City

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

Within 3 km, the terrain around Benin City has only modest variations in elevation — a maximum elevation change of 66 m around an average of 79 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 167 m; within 80 km, significant variations in elevation — a maximum elevation change of 420 m.

The land around Benin City is covered by artificial surfaces (87%) within 3 km, trees (46%) and artificial surfaces (39%) within 16 km, and trees (76%) within 80 km.

3 km
66 m
16 km
167 m
80 km
420 m
treesshrubsgrasslandartificial surfaceswatermangroves
May weather nearby: Sapele 50 km · Agbor 64 km · Ekpoma 73 km · Uromi 88 km · Ubiaja 91 km · Warri 92 km · Owo 96 km · Ogwashi-Uku 101 km

Nigeria travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 13% of US
price level, 2025
GDP per capita
$1,224
2025
Happiness
4.8 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
15.7
per 100k, 2023
Road deaths
20.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
High
EF EPI 569
Religion
Muslim 54%other Christian 35%Roman Catholic 11%other 1%

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 Benin City (6.3381°, 5.6258°, elevation 88 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).