Irewe weather in May

In May, Irewe sees average daytime highs of 30°C and overnight lows near 25°C, with 196 mm of rain across 25.9 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 30°C through the month. The sky is clear or mostly clear about 4% 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 Irewe's 9th-clearest and 9th-windiest month. For the whole year in context, see Irewe's year-round climate.

Daytime high
30°
7th warmest
Overnight low
25°
9th coldest
Rainfall
196 mm
25.9 wet days
Daylight
12 h 18 min
6:35 AM – 6:52 PM
Cloud cover
81%
9th clearest
Wind
10 km/h
9th windiest
Solar energy
4.62 kWh/m²
Travel score
3.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical May day in Irewe reaches about 30°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°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)
13026
23026
33026
43026
53026
63026
73026
83026
93026
103026
113026
123026
133026
143026
153026
163026
173026
183025
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How May really feels in Irewe

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.

Irewe 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
Jan30° / 25°318.711.75.2
Feb31° / 26°4311.511.84.4
Mar31° / 26°8118.6123.7
Apr30° / 26°11720.412.13.5
May30° / 25°19625.912.33.2
Jun28° / 25°27027.612.43.4
Jul27° / 24°19224.212.34.2
Aug27° / 24°12419.112.24.9
Sep27° / 24°17524.5124.0
Oct29° / 24°17026.511.93.5
Nov30° / 25°7618.611.74.1
Dec30° / 25°3210.111.65.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% 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 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22179
32179
42179
52080
62179
72179
82080
92080
102080
112080
122080
132080
141981
151981
161882
171882
181684
191585
201585
211486
221486
231387
241288
251288
261189
271189
281189
291090
301090
311090

Chance of precipitation in May

Any precipitation

Irewe gets around 196 mm of rain over 25.9 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 84% 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 (%)
177
277
377
478
578
679
779
879
980
1080
1180
1281
1381
1482
1583
1683
1784
1885
1985
2086
2187
2287
2388
2488
2589
2689
2790
2890
2991
3091
3191

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 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1694
2694
3694
4793
5793
6793
7793
8793
9892
10892
11892
12991
13991
141090
151090
161189
171288
181387
191486
201684
211882
221981
232179
242377
252575
262773
273070
283268
293466
303664
313961

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 6:38 AM to 6:35 AM, and sunset from 6:51 PM to 6:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:386:51
212.26:386:51
312.26:376:51
412.26:376:51
512.26:376:51
612.26:376:51
712.36:366:52
812.36:366:52
912.36:366:52
1012.36:366:52
1112.36:366:52
1212.36:356:52
1312.36:356:52
1412.36:356:52
1512.36:356:52
1612.36:356:52
1712.36:356:53
1812.36:356:53
1912.36:356:53
2012.36:356:53
2112.36:356:53
2212.36:346:53
2312.36:346:54
2412.36:346:54
2512.36:346:54
2612.36:346:54
2712.36:346:54
2812.36:346:54
2912.36:346:55
3012.36:356:55
3112.36:356:55

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.62 kWh/m².

For context, solar energy here swings from a low near 4 kWh/m² to a high of 5.39 kWh/m² in February across the year — May's 4.62 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.5Bright
224.5Bright
234.5Bright
244.4Bright
254.4Bright
264.4Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.2Bright
Planning a trip in May

Hazard calendar for Irewe

In seasonPeak

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

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

Irewe 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 Irewe?

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

3.2
Sightseeing
12th-best month of the year
4.3
Beach & pool
10th-best month of the year

May is a weaker month for outdoor sightseeing in Irewe.

What to pack for Irewe in May

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

In May, Irewe sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Irewe 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 offshore 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 Irewe 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 Irewe peaks around March 24 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 24UV 12Dec 21UV 8
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Irewe 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 Irewe 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 Irewe?

Irewe sits at 6.4°N, 3.1°E, 7 m above sea level, in Nigeria. The nearest listed city is Alasia, 7.0 km away.

Topography around Irewe

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

Within 3 km, the terrain around Irewe has only modest variations in elevation — a maximum elevation change of 13 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 33 m; within 80 km, only modest variations in elevation — a maximum elevation change of 182 m.

The land around Irewe is covered by trees (36%), water (33%) and mangroves (22%) within 3 km, water (48%) and trees (20%) within 16 km, and water (38%) and trees (36%) within 80 km.

3 km
13 m
16 km
33 m
80 km
182 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Alasia 7.0 km · Ajegunle 21 km · Aliayabiagba 22 km · Surulere 26 km · Mushin 27 km · Oshodi 27 km · Iyesi 27 km · Alimosho 28 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 Irewe (6.4169°, 3.1406°, elevation 7 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).