Oyo weather in May

In May, Oyo sees average daytime highs of 31°C and overnight lows near 24°C, with 119 mm of rain across 20.5 wet days and about 12.4 hours of daylight. It is the 7th-warmest and 5th-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 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 Oyo's 8th-clearest and 5th-windiest month. For the whole year in context, see Oyo's year-round climate.

Daytime high
31°
7th warmest
Overnight low
24°
9th coldest
Rainfall
119 mm
20.5 wet days
Daylight
12 h 24 min
6:30 AM – 6:51 PM
Cloud cover
81%
8th clearest
Wind
8 km/h
5th windiest
Solar energy
4.62 kWh/m²
Travel score
3.3
out of 10

Oyo is city in Nigeria.

Density
303/km²
people per km²
Founded
1830

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 Oyo 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 2°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
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243123
253023
263023
273023
283023
293023
303023
313023

How May really feels in Oyo

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.

Oyo 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° / 22°82.211.63.8
Feb35° / 24°174.411.73.0
Mar34° / 24°4611.811.92.8
Apr32° / 24°7414.812.23.2
May31° / 24°11920.512.43.3
Jun29° / 23°14924.712.43.3
Jul28° / 22°16025.212.43.8
Aug28° / 22°15923.812.34.1
Sep29° / 22°16424.7123.5
Oct30° / 23°10920.711.83.7
Nov32° / 23°204.911.64.6
Dec33° / 22°51.511.64.4

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 12% of May, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21684
31684
41684
51684
61684
71585
81585
91585
101585
111585
121585
131585
141585
151585
161585
171585
181486
191486
201486
211486
221486
231387
241387
251189
261189
271090
281090
291090
301090
311090

Chance of precipitation in May

Any precipitation

Oyo gets around 119 mm of rain over 20.5 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 66% and peaks near 77% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
159
259
360
461
561
661
762
862
962
1062
1162
1262
1363
1463
1563
1664
1764
1865
1965
2066
2167
2268
2369
2470
2572
2673
2774
2875
2976
3077
3177

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 86% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
18317
28317
38317
48317
58416
68416
78416
88416
98416
108416
118416
128416
138416
148515
158515
168515
178614
188614
198614
208713
218713
228812
238911
248911
259010
26919
27919
28928
29937
30937
31946

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 6:33 AM to 6:29 AM, and sunset from 6:50 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:336:50
212.36:336:50
312.36:336:50
412.36:326:50
512.36:326:50
612.36:326:50
712.36:326:50
812.36:316:50
912.36:316:50
1012.36:316:50
1112.36:316:51
1212.36:306:51
1312.36:306:51
1412.36:306:51
1512.46:306:51
1612.46:306:51
1712.46:306:51
1812.46:306:52
1912.46:296:52
2012.46:296:52
2112.46:296:52
2212.46:296:52
2312.46:296:52
2412.46:296:53
2512.46:296:53
2612.46:296:53
2712.46:296:53
2812.46:296:54
2912.46:296:54
3012.46:296:54
3112.46:296:54

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 3.67 kWh/m² to a high of 5.72 kWh/m² in February across the year — May's 4.62 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.3Bright
314.3Bright
Planning a trip in May

Hazard calendar for Oyo

In seasonPeak

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

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

Oyo 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 Oyo?

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

3.3
Sightseeing
8th-best month of the year
4.8
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Oyo.

What to pack for Oyo in May

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

In May, Oyo sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Oyo 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 Oyo peaks around March 24 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 highMar 24UV 12Dec 20UV 8
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec7Very high

Air quality in Oyo 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 Oyo is worst in January — around 155 µg/m³ PM2.5 (very unhealthy), about 3.6× the cleanest month (July, 43 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecVery unhealthyUnhealthyPoorUnhealthyJan 17153 µg/m³Jul 2443 µg/m³
PM2.5 (µg/m³)Level
Jan155Very unhealthy
Feb144Unhealthy
Mar78Unhealthy
Apr68Unhealthy
May56Unhealthy
Jun50Poor
Jul43Poor
Aug43Poor
Sep55Poor
Oct74Unhealthy
Nov89Unhealthy
Dec142Unhealthy
Location & terrain

Where is Oyo?

Oyo sits at 7.9°N, 3.9°E, 286 m above sea level, in Nigeria. The nearest listed city is Fiditi, 16 km away.

Topography around Oyo

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

Within 3 km, the terrain around Oyo has only modest variations in elevation — a maximum elevation change of 98 m around an average of 288 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 185 m; within 80 km, significant variations in elevation — a maximum elevation change of 543 m.

The land around Oyo is covered by artificial surfaces (78%) within 3 km, cropland (31%), grassland (29%) and trees (20%) within 16 km, and trees (51%) within 80 km.

3 km
98 m
16 km
185 m
80 km
543 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Fiditi 16 km · Iwo 37 km · Iseyin 39 km · Olupona 40 km · Ejigbo 42 km · Inisa 44 km · Lalupon 45 km · Ogbomoso 46 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 Oyo (7.8537°, 3.9324°, elevation 286 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).