Ilaro weather in May

In May, Ilaro sees average daytime highs of 31°C and overnight lows near 24°C, with 173 mm of rain across 26.4 wet days and about 12.3 hours of daylight. It is the 7th-warmest and 2nd-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 2% 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 24 min by month's end. Set against the rest of the year, May is Ilaro's 8th-clearest and 7th-windiest month. For the whole year in context, see Ilaro's year-round climate.

Daytime high
31°
7th warmest
Overnight low
24°
9th coldest
Rainfall
173 mm
26.4 wet days
Daylight
12 h 18 min
6:35 AM – 6:54 PM
Cloud cover
83%
8th clearest
Wind
7 km/h
7th windiest
Solar energy
4.54 kWh/m²
Travel score
2.7
out of 10

Ilaro is town in Ogun State, Nigeria.

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 Ilaro reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°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, 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)
13224
23224
33224
43224
53224
63224
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293024
303024
313024

How May really feels in Ilaro

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.

Ilaro weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°216.111.63.7
Feb34° / 25°338.511.83.0
Mar33° / 25°7417.1122.7
Apr32° / 25°10819.812.12.8
May31° / 24°17326.412.32.7
Jun30° / 23°18626.912.43.0
Jul29° / 23°16325.312.43.5
Aug28° / 23°1372312.23.8
Sep29° / 23°17025.6123.2
Oct30° / 23°15226.211.83.0
Nov32° / 24°5314.111.73.6
Dec33° / 23°195.511.64.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21585
31585
41585
51585
61585
71486
81486
91486
101486
111486
121486
131486
141486
151486
161486
171486
181486
191387
201387
211288
221288
231189
241189
251090
261090
27991
28991
29991
30892
31892

Chance of precipitation in May

Any precipitation

Ilaro gets around 173 mm of rain over 26.4 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 85% and peaks near 90% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
178
279
379
480
581
681
782
882
983
1083
1183
1284
1384
1485
1585
1686
1786
1886
1987
2087
2188
2288
2388
2488
2589
2689
2789
2890
2990
3090
3190

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 65% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12575
22575
32575
42674
52674
62773
72872
82872
92971
102971
113070
123070
133169
143169
153268
163268
173367
183466
193565
203664
213763
223862
234060
244258
254456
264654
274852
285050
295248
305446
315743

Wind in May

Winds average 7 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
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
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 24 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 6:38 AM to 6:34 AM, and sunset from 6:52 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:386:52
212.26:386:52
312.26:376:52
412.36:376:52
512.36:376:52
612.36:376:53
712.36:366:53
812.36:366:53
912.36:366:53
1012.36:366:53
1112.36:366:53
1212.36:356:53
1312.36:356:53
1412.36:356:53
1512.36:356:53
1612.36:356:54
1712.36:356:54
1812.36:356:54
1912.36:346:54
2012.36:346:54
2112.36:346:54
2212.36:346:55
2312.36:346:55
2412.36:346:55
2512.36:346:55
2612.46:346:55
2712.46:346:56
2812.46:346:56
2912.46:346:56
3012.46:346:56
3112.46:346:56

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.54 kWh/m².

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 5.41 kWh/m² in February across the year — May's 4.54 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.4Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.2Bright
314.2Bright
Planning a trip in May

Hazard calendar for Ilaro

In seasonPeak

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

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

Ilaro 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 Ilaro?

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

2.7
Sightseeing
11th-best month of the year
4.0
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Ilaro.

What to pack for Ilaro in May

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

In May, Ilaro sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Ilaro in May

The nearest coast averages about 29°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 58 km away) is warmest in May at about 29°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct28Warm
Nov29Tropical
Dec29Tropical

UV index in Ilaro in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ilaro peaks around March 24 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near February 9 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highMar 24UV 12Feb 9UV 7
UV index (midday)Level
Jan8Very high
Feb7Very high
Mar13Extreme
Apr12Extreme
May10Extreme
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Ilaro 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 Ilaro is worst in January — around 139 µg/m³ PM2.5 (unhealthy), about 3.7× the cleanest month (August, 37 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJan 14137 µg/m³Aug 1238 µg/m³
PM2.5 (µg/m³)Level
Jan139Unhealthy
Feb117Unhealthy
Mar69Unhealthy
Apr64Unhealthy
May55Poor
Jun48Poor
Jul40Poor
Aug37Poor
Sep47Poor
Oct65Unhealthy
Nov76Unhealthy
Dec127Unhealthy
Location & terrain

Where is Ilaro?

Ilaro sits at 6.9°N, 3.0°E, 73 m above sea level, in Nigeria. The nearest listed city is Ifo, 22 km away.

Topography around Ilaro

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

Within 3 km, the terrain around Ilaro has only modest variations in elevation — a maximum elevation change of 96 m around an average of 73 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 140 m; within 80 km, significant variations in elevation — a maximum elevation change of 333 m.

The land around Ilaro is covered by artificial surfaces (41%) and trees (38%) within 3 km, trees (57%) within 16 km, and trees (45%) within 80 km.

3 km
96 m
16 km
140 m
80 km
333 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Ifo 22 km · River Atuwara 27 km · Iyesi 31 km · Ijoko 32 km · Ota 33 km · Ado-Odo 34 km · Pobé 40 km · Sakété 43 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 Ilaro (6.889°, 3.0142°, elevation 73 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).