Ouinhi weather in May

In May, Ouinhi sees average daytime highs of 32°C and overnight lows near 24°C, with 147 mm of rain across 24.6 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 32°C through the month. The sky is clear or mostly clear about 3% 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 Ouinhi's 8th-clearest and 7th-windiest month. For the whole year in context, see Ouinhi's year-round climate.

Daytime high
32°
7th warmest
Overnight low
24°
9th coldest
Rainfall
147 mm
24.6 wet days
Daylight
12 h 18 min
6:37 AM – 6:56 PM
Cloud cover
81%
8th clearest
Wind
7 km/h
7th windiest
Solar energy
4.65 kWh/m²
Travel score
2.7
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical May day in Ouinhi reaches about 32°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 30°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)
13225
23225
33225
43225
53225
63225
73225
83225
93225
103225
113225
123225
133224
143224
153224
163224
173224
183224
193224
203224
213224
223124
233124
243124
253124
263124
273124
283124
293124
303124
313124

How May really feels in Ouinhi

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
13 feel dangerously hot (≥ 39°C)
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.

Ouinhi 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
Jan34° / 24°164.911.63.6
Feb35° / 25°307.711.82.9
Mar34° / 26°6315.1122.6
Apr33° / 25°9117.612.22.7
May32° / 24°14724.612.32.7
Jun30° / 24°16225.312.43.0
Jul29° / 23°1382312.43.6
Aug29° / 23°12420.712.24.0
Sep30° / 23°14324.2123.3
Oct31° / 23°12823.711.83.1
Nov32° / 24°4511.911.73.7
Dec33° / 24°174.511.64.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21783
31783
41783
51783
61882
71882
81882
91882
101882
111882
121882
131882
141882
151783
161783
171783
181783
191783
201783
211585
221585
231585
241585
251387
261387
271387
281288
291288
301288
311189

Chance of precipitation in May

Any precipitation

Ouinhi gets around 147 mm of rain over 24.6 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 79% and peaks near 84% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
171
272
373
474
574
675
775
876
976
1076
1177
1277
1377
1477
1578
1678
1779
1879
1980
2080
2181
2281
2382
2482
2583
2683
2783
2884
2984
3084
3184

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 67% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12377
22377
32377
42377
52476
62476
72575
82575
92674
102674
112773
122773
132872
142971
152971
163070
173169
183268
193367
203466
213565
223664
233763
243961
254060
264258
274456
284654
294852
305050
315248

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 6:40 AM to 6:36 AM, and sunset from 6:55 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:406:55
212.36:406:55
312.36:396:55
412.36:396:55
512.36:396:55
612.36:396:55
712.36:386:55
812.36:386:55
912.36:386:55
1012.36:386:55
1112.36:376:55
1212.36:376:55
1312.36:376:56
1412.36:376:56
1512.36:376:56
1612.36:376:56
1712.36:376:56
1812.36:366:56
1912.36:366:56
2012.36:366:57
2112.36:366:57
2212.36:366:57
2312.46:366:57
2412.46:366:57
2512.46:366:58
2612.46:366:58
2712.46:366:58
2812.46:366:58
2912.46:366:58
3012.46:366:59
3112.46:366:59

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.65 kWh/m².

For context, solar energy here swings from a low near 3.73 kWh/m² to a high of 5.46 kWh/m² in February across the year — May's 4.65 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
114.8Bright
124.8Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.5Bright
244.5Bright
254.5Bright
264.4Bright
274.4Bright
284.4Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in May

Hazard calendar for Ouinhi

In seasonPeak

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

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

Ouinhi 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 Ouinhi?

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

2.7
Sightseeing
10th-best month of the year
4.2
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Ouinhi.

What to pack for Ouinhi in May

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

In May, Ouinhi sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Ouinhi 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 Ouinhi peaks around April 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 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 highApr 11UV 13Dec 18UV 8
UV index (midday)Level
Jan8Very high
Feb8Very high
Mar12Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec7Very high

Air quality in Ouinhi 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 Ouinhi is worst in January — around 102 µg/m³ PM2.5 (unhealthy), about 4.2× the cleanest month (August, 25 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 16100 µg/m³Aug 1425 µg/m³
PM2.5 (µg/m³)Level
Jan102Unhealthy
Feb86Unhealthy
Mar47Poor
Apr44Poor
May33Moderate
Jun30Moderate
Jul27Moderate
Aug25Moderate
Sep29Moderate
Oct39Poor
Nov46Poor
Dec89Unhealthy
Location & terrain

Where is Ouinhi?

Ouinhi sits at 7.1°N, 2.5°E, 37 m above sea level, in Benin. The nearest listed city is Adjaouèrè, 16 km away.

SakétéBohicon

Topography around Ouinhi

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

Within 3 km, the terrain around Ouinhi has only modest variations in elevation — a maximum elevation change of 42 m around an average of 34 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 136 m; within 80 km, significant variations in elevation — a maximum elevation change of 359 m.

The land around Ouinhi is covered by trees (44%) and cropland (32%) within 3 km, trees (35%), cropland (28%) and grassland (26%) within 16 km, and trees (44%) and shrubs (25%) within 80 km.

3 km
42 m
16 km
136 m
80 km
359 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Adjaouèrè 16 km · Cové 22 km · Pobé 23 km · Kétou 34 km · Kpozoun 34 km · 39 km · Sakété 43 km · Bohicon 47 km

Benin travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,658
2025
Happiness
4.4 / 10
World Happiness, 2025
Safe drinking water
18%
of population, 2024
Homicide rate
1.1
per 100k, 2017
Road deaths
26.8
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 406
Religion
Muslim 28%Roman Catholic 26%Protestant 14%Vodoun 12%

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 Ouinhi (7.0841°, 2.4834°, elevation 37 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).