Offa weather in May

In May, Offa sees average daytime highs of 31°C and overnight lows near 23°C, with 125 mm of rain across 20.6 wet days and about 12.4 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 32°C in the first days to 30°C by the end. The sky is clear or mostly clear about 5% 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 24 min by month's end. Set against the rest of the year, May is Offa's 8th-clearest and 3rd-windiest month. For the whole year in context, see Offa's year-round climate.

Daytime high
31°
7th warmest
Overnight low
23°
10th coldest
Rainfall
125 mm
20.6 wet days
Daylight
12 h 24 min
6:26 AM – 6:48 PM
Cloud cover
77%
8th clearest
Wind
9 km/h
3rd windiest
Solar energy
5.11 kWh/m²
Travel score
3.1
out of 10

Offa is town in Kwara State, Nigeria.

Density
237/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

Highs ease over the month, from about 32°C in the first days to 30°C by the end.

A typical May day in Offa reaches about 31°C in the afternoon and slips back to 23°C overnight — a 9°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 2°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
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303022
313022

How May really feels in Offa

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.

Offa 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° / 20°5111.64.4
Feb34° / 22°102.611.73.3
Mar35° / 23°347.411.92.8
Apr33° / 23°7413.812.22.9
May31° / 23°12520.612.43.1
Jun29° / 22°16023.212.53.5
Jul28° / 22°15723.712.44.0
Aug27° / 21°16422.812.34.2
Sep28° / 21°21125.2123.6
Oct30° / 22°14820.611.83.7
Nov32° / 22°142.711.64.6
Dec33° / 20°20.611.54.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22476
32476
42476
52377
62377
72377
82377
92377
102377
112377
122377
132377
142377
152377
162476
172476
182377
192377
202377
212278
222278
232179
242080
252080
261882
271882
281882
291783
301783
311783

Chance of precipitation in May

Any precipitation

Offa gets around 125 mm of rain over 20.6 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 67% and peaks near 74% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
160
261
361
462
563
663
764
864
965
1065
1165
1265
1365
1465
1565
1666
1766
1866
1967
2067
2168
2268
2369
2469
2570
2671
2772
2872
2973
3074
3174

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11981
21981
31981
41981
51981
61981
71981
81981
91981
101981
111981
121981
131981
141981
151981
161981
171990
181990
191990
202980
212980
222980
233970
243970
253970
263970
273970
284960
294960
304960
314960

Wind in May

Winds average 9 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
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
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 24 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 6:30 AM to 6:25 AM, and sunset from 6:47 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:306:47
212.36:306:47
312.36:296:47
412.36:296:47
512.36:296:47
612.36:286:47
712.36:286:47
812.36:286:47
912.36:286:48
1012.36:276:48
1112.36:276:48
1212.36:276:48
1312.46:276:48
1412.46:276:48
1512.46:266:48
1612.46:266:48
1712.46:266:49
1812.46:266:49
1912.46:266:49
2012.46:266:49
2112.46:266:49
2212.46:266:50
2312.46:266:50
2412.46:256:50
2512.46:256:50
2612.46:256:50
2712.46:256:51
2812.46:256:51
2912.46:256:51
3012.46:256:51
3112.46:256:52

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.11 kWh/m².

For context, solar energy here swings from a low near 3.86 kWh/m² to a high of 6.01 kWh/m² in February across the year — May's 5.11 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
254.9Bright
264.9Bright
274.9Bright
284.8Bright
294.8Bright
304.8Bright
314.7Bright
Planning a trip in May

Hazard calendar for Offa

In seasonPeak

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

Offa's monsoon runs May–October, when most of the year's rain falls.

Offa sees seasonal dust haze (January–April), heaviest in February.

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

Is May a good time to visit Offa?

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

3.1
Sightseeing
10th-best month of the year
4.8
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Offa.

What to pack for Offa in May

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

In May, Offa sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Offa 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 Offa peaks around September 19 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 highSep 19UV 12Dec 20UV 8
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Offa 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 Offa 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 Offa?

Offa sits at 8.1°N, 4.7°E, 419 m above sea level, in Nigeria. The nearest listed city is Oyan, 12 km away.

Topography around Offa

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

Within 3 km, the terrain around Offa has only modest variations in elevation — a maximum elevation change of 65 m around an average of 416 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 226 m; within 80 km, large variations in elevation — a maximum elevation change of 612 m.

The land around Offa is covered by artificial surfaces (65%) within 3 km, grassland (38%) and trees (36%) within 16 km, and trees (46%) and shrubs (24%) within 80 km.

3 km
65 m
16 km
226 m
80 km
612 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Oyan 12 km · Otan Ayegbaju 24 km · Ila Orangun 25 km · Ikirun 27 km · Oke Ila 36 km · Oke Mesi 43 km · Ilobu 43 km · Ilorin 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 Offa (8.1491°, 4.7207°, elevation 419 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).