Owerri weather in May

In May, Owerri sees average daytime highs of 31°C and overnight lows near 23°C, with 264 mm of rain across 28.3 wet days and about 12.2 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 0% 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 Owerri's 8th-clearest and 10th-windiest month. For the whole year in context, see Owerri's year-round climate.

Daytime high
31°
7th warmest
Overnight low
23°
10th coldest
Rainfall
264 mm
28.3 wet days
Daylight
12 h 12 min
6:21 AM – 6:36 PM
Cloud cover
87%
8th clearest
Wind
5 km/h
10th windiest
Solar energy
4.25 kWh/m²
Travel score
2.4
out of 10

Owerri is city in Nigeria.

Density
5,240/km²
people per km²

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 Owerri 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 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)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313023

How May really feels in Owerri

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.

Owerri 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
Jan34° / 22°255.611.73.1
Feb35° / 23°529.911.82.5
Mar34° / 24°13420.5122.3
Apr32° / 23°21324.812.12.3
May31° / 23°26428.312.22.4
Jun30° / 23°29628.412.32.7
Jul29° / 22°30128.912.33.1
Aug29° / 22°2722712.23.2
Sep29° / 22°31529.2122.8
Oct30° / 23°30229.711.92.6
Nov32° / 22°11518.211.83.2
Dec33° / 22°235.811.73.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 6% of May, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3892
4892
5892
6793
7694
8694
9694
10694
11694
12793
13793
14793
15793
16793
17793
18793
19892
20793
21793
22793
23694
24694
25595
26496
27496
28496
29397
30397
31397

Chance of precipitation in May

Any precipitation

Owerri gets around 264 mm of rain over 28.3 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 92% and peaks near 95% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
287
387
487
587
688
788
888
989
1089
1189
1290
1390
1491
1592
1692
1793
1894
1994
2094
2195
2295
2395
2495
2595
2695
2795
2895
2995
3094
3194

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 (%)
14753
24753
34753
44753
54753
64753
74753
84753
94753
104753
114753
124753
134852
144852
154951
164951
175050
185149
195248
205347
215545
225644
235842
245941
256139
266337
276535
286634
296832
307030
317129

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 6:23 AM to 6:20 AM, and sunset from 6:35 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:236:35
212.26:236:35
312.26:236:35
412.26:236:35
512.26:226:35
612.26:226:35
712.26:226:35
812.26:226:35
912.26:226:35
1012.26:216:35
1112.26:216:35
1212.26:216:35
1312.26:216:35
1412.26:216:35
1512.26:216:35
1612.26:216:36
1712.36:216:36
1812.36:206:36
1912.36:206:36
2012.36:206:36
2112.36:206:36
2212.36:206:36
2312.36:206:37
2412.36:206:37
2512.36:206:37
2612.36:206:37
2712.36:206:37
2812.36:206:37
2912.36:206:38
3012.36:206:38
3112.36:206:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.25 kWh/m².

For context, solar energy here swings from a low near 3.53 kWh/m² to a high of 5.35 kWh/m² in January across the year — May's 4.25 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.0Bright
274.0Bright
284.0Bright
294.0Moderate
304.0Moderate
313.9Moderate
Planning a trip in May

Hazard calendar for Owerri

In seasonPeak

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

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

Owerri 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 Owerri?

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

2.4
Sightseeing
10th-best month of the year
3.7
Beach & pool
10th-best month of the year

May is a weaker month for outdoor sightseeing in Owerri.

What to pack for Owerri in May

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

In May, Owerri sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Owerri 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 Owerri peaks around March 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 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 highExtremeVery highMar 23UV 12Jan 11UV 8
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun11Extreme
Jul10Extreme
Aug9Very high
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Owerri 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 Owerri is worst in January — around 160 µg/m³ PM2.5 (very unhealthy), about 3.0× the cleanest month (August, 54 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecVery unhealthyUnhealthyUnhealthyJan 13159 µg/m³Aug 1355 µg/m³
PM2.5 (µg/m³)Level
Jan160Very unhealthy
Feb141Unhealthy
Mar102Unhealthy
Apr94Unhealthy
May85Unhealthy
Jun73Unhealthy
Jul59Unhealthy
Aug54Poor
Sep67Unhealthy
Oct87Unhealthy
Nov96Unhealthy
Dec152Very unhealthy
Location & terrain

Where is Owerri?

Owerri sits at 5.5°N, 7.0°E, 73 m above sea level, in Nigeria. The nearest listed city is Nkwerre, 32 km away.

Topography around Owerri

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

Within 3 km, the terrain around Owerri has only modest variations in elevation — a maximum elevation change of 71 m around an average of 70 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 135 m; within 80 km, significant variations in elevation — a maximum elevation change of 430 m.

The land around Owerri is covered by artificial surfaces (78%) within 3 km, trees (62%) within 16 km, and trees (81%) within 80 km.

3 km
71 m
16 km
135 m
80 km
430 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
May weather nearby: Nkwerre 32 km · Oguta 35 km · Ihiala 46 km · Elele 49 km · Uga 51 km · Umuahia 51 km · Okigwe 52 km · Aba 56 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 Owerri (5.4836°, 7.0332°, 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. 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).