Ilorin weather in May

In May, Ilorin sees average daytime highs of 33°C and overnight lows near 24°C, with 87 mm of rain across 15.9 wet days and about 12.4 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 32°C by the end. The sky is clear or mostly clear about 10% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of May to 12 h 30 min by month's end. Set against the rest of the year, May is Ilorin's 8th-clearest and 3rd-windiest month. For the whole year in context, see Ilorin's year-round climate.

Daytime high
33°
7th warmest
Overnight low
24°
10th coldest
Rainfall
87 mm
15.9 wet days
Daylight
12 h 24 min
6:26 AM – 6:50 PM
Cloud cover
73%
8th clearest
Wind
10 km/h
3rd windiest
Solar energy
5.32 kWh/m²
Travel score
2.9
out of 10

Ilorin is city in Nigeria.

Density
1,412/km²
people per km²
Founded
~18 CE

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 34°C in the first days to 32°C by the end.

A typical May day in Ilorin reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13424
23424
33424
43424
53424
63424
73424
83424
93424
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253224
263224
273223
283223
293223
303223
313223

How May really feels in Ilorin

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.

Ilorin weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 21°20.511.63.7
Feb36° / 23°41.211.72.5
Mar37° / 24°224.711.91.9
Apr35° / 24°501012.22.3
May33° / 24°8715.912.42.9
Jun31° / 23°11519.112.53.5
Jul29° / 22°12821.412.43.9
Aug28° / 22°15220.812.34.2
Sep29° / 22°15721.2123.8
Oct31° / 22°781511.84.0
Nov34° / 22°51.411.63.9
Dec34° / 21°10.211.53.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
22971
32971
42971
52971
62971
72971
83070
93070
103169
113169
123070
133070
143070
153169
163169
173268
183268
193268
203268
213070
223070
233070
242971
252872
262773
272674
282575
292575
302476
312476

Chance of precipitation in May

Any precipitation

Ilorin gets around 87 mm of rain over 15.9 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 51% and peaks near 62% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
144
245
346
447
548
648
749
849
949
1049
1149
1249
1349
1449
1549
1649
1749
1849
1950
2050
2151
2252
2353
2454
2555
2656
2757
2858
2960
3061
3162

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 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
16931
26922
35932
45932
55932
65932
74942
84942
94951
103961
113961
123961
132971
142971
152971
162971
172971
182980
192980
203970
213970
223970
233970
243970
253970
264960
274960
284960
294960
304960
314960

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 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
1910calm
2010calm
2110calm
2210calm
2310calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 18 min at the start of May to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 6:30 AM to 6:26 AM, and sunset from 6:48 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:306:48
212.36:306:48
312.36:306:48
412.36:296:48
512.36:296:48
612.36:296:48
712.36:286:48
812.36:286:49
912.36:286:49
1012.46:286:49
1112.46:276:49
1212.46:276:49
1312.46:276:49
1412.46:276:49
1512.46:276:50
1612.46:266:50
1712.46:266:50
1812.46:266:50
1912.46:266:50
2012.46:266:50
2112.46:266:51
2212.46:266:51
2312.46:266:51
2412.46:266:51
2512.46:266:51
2612.46:266:52
2712.46:266:52
2812.46:266:52
2912.46:266:52
3012.56:266:53
3112.56:266:53

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.32 kWh/m².

For context, solar energy here swings from a low near 3.95 kWh/m² to a high of 6.13 kWh/m² in February across the year — May's 5.32 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.2Bright
255.1Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
305.0Bright
314.9Bright
Planning a trip in May

Hazard calendar for Ilorin

In seasonPeak

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

Ilorin's rainy season runs May–October, when most of the year's rain falls.

Ilorin sees seasonal dust haze (January–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 Ilorin?

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

2.9
Sightseeing
9th-best month of the year
5.2
Beach & pool
6th-best month of the year

May is a weaker month for outdoor sightseeing in Ilorin.

What to pack for Ilorin in May

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

In May, Ilorin sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Ilorin 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 Ilorin peaks around March 24 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 highExtremeVery highMar 24UV 12Dec 19UV 8
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Ilorin 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 Ilorin is worst in February — around 140 µg/m³ PM2.5 (unhealthy), about 4.0× the cleanest month (July, 35 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyFeb 8140 µg/m³Jul 1935 µg/m³
PM2.5 (µg/m³)Level
Jan139Unhealthy
Feb140Unhealthy
Mar77Unhealthy
Apr62Unhealthy
May44Poor
Jun39Poor
Jul35Moderate
Aug37Poor
Sep46Poor
Oct68Unhealthy
Nov93Unhealthy
Dec124Unhealthy
Location & terrain

Where is Ilorin?

Ilorin sits at 8.5°N, 4.5°E, 320 m above sea level, in Nigeria. The nearest listed city is Offa, 43 km away.

Topography around Ilorin

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

Within 3 km, the terrain around Ilorin has only modest variations in elevation — a maximum elevation change of 70 m around an average of 300 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 589 m.

The land around Ilorin is covered by artificial surfaces (90%) within 3 km, shrubs (28%), artificial surfaces (24%) and cropland (20%) within 16 km, and shrubs (35%) and trees (32%) within 80 km.

3 km
70 m
16 km
167 m
80 km
589 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Offa 43 km · Ogbomoso 52 km · Igbeti 53 km · Oyan 55 km · Bode Saadu 56 km · Ikirun 66 km · Ila Orangun 67 km · Otan Ayegbaju 67 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 Ilorin (8.4966°, 4.5421°, elevation 320 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).