Ouessé weather in May

In May, Ouessé sees average daytime highs of 33°C and overnight lows near 24°C, with 132 mm of rain across 18 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 33°C through the month. 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 30 min by month's end. Set against the rest of the year, May is Ouessé's 8th-clearest and 3rd-windiest month. For the whole year in context, see Ouessé's year-round climate.

Daytime high
33°
7th warmest
Overnight low
24°
10th coldest
Rainfall
132 mm
18 wet days
Daylight
12 h 24 min
6:35 AM – 6:58 PM
Cloud cover
77%
8th clearest
Wind
7 km/h
3rd windiest
Solar energy
5.12 kWh/m²
Travel score
2.9
out of 10

Ouessé is commune of Benin.

Density
5/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 33°C through the month.

A typical May day in Ouessé reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223224
233224
243224
253224
263224
273224
283224
293224
303223
313223

How May really feels in Ouessé

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.

Ouessé 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° / 21°40.611.63.9
Feb36° / 23°12211.72.7
Mar36° / 25°457.711.92.2
Apr34° / 24°8913.412.22.5
May33° / 24°1321812.42.9
Jun31° / 23°14521.112.53.2
Jul29° / 23°19824.712.43.4
Aug29° / 22°21624.912.33.4
Sep30° / 22°21523.9123.2
Oct32° / 23°11717.311.83.4
Nov34° / 22°15311.63.7
Dec34° / 21°30.711.54.0

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 16% of May, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22476
32476
42476
52476
62476
72377
82377
92377
102278
112179
122278
132278
142179
152179
162179
172179
182179
192179
202179
212179
222080
231981
241981
251882
261882
271882
281783
291783
301783
311783

Chance of precipitation in May

Any precipitation

Ouessé gets around 132 mm of rain over 18 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 58% and peaks near 67% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
155
255
356
457
557
657
757
857
957
1057
1156
1256
1356
1455
1555
1655
1755
1855
1956
2056
2157
2258
2359
2460
2561
2662
2764
2865
2966
3067
3167

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 89% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
108812
208812
308812
408812
508812
608911
708911
808911
908911
1008911
1108911
1208911
1308911
1408911
1508911
1608911
1708911
1808911
1908911
2008911
2108911
2208911
2318811
2418811
2518910
2618910
2718910
281909
291909
301918
311918

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 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
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 18 min at the start of May to 12 h 30 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 6:39 AM to 6:34 AM, and sunset from 6:56 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:396:56
212.36:386:56
312.36:386:56
412.36:386:57
512.36:376:57
612.36:376:57
712.36:376:57
812.36:376:57
912.36:366:57
1012.46:366:57
1112.46:366:57
1212.46:366:57
1312.46:356:58
1412.46:356:58
1512.46:356:58
1612.46:356:58
1712.46:356:58
1812.46:356:58
1912.46:356:59
2012.46:346:59
2112.46:346:59
2212.46:346:59
2312.46:346:59
2412.46:347:00
2512.46:347:00
2612.46:347:00
2712.46:347:00
2812.46:347:01
2912.46:347:01
3012.56:347:01
3112.56:347:01

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.12 kWh/m².

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 6.1 kWh/m² in February across the year — May's 5.12 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
264.9Bright
274.9Bright
284.8Bright
294.8Bright
304.8Bright
314.7Bright
Planning a trip in May

Hazard calendar for Ouessé

In seasonPeak

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

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

Ouessé 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 Ouessé?

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

2.9
Sightseeing
9th-best month of the year
4.9
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Ouessé.

What to pack for Ouessé in May

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

In May, Ouessé sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Ouessé 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 Ouessé peaks around March 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 23UV 13Dec 19UV 7
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec7Very high

Air quality in Ouessé 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 Ouessé is worst in February — around 85 µg/m³ PM2.5 (unhealthy), about 4.6× the cleanest month (August, 19 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 984 µg/m³Aug 1219 µg/m³
PM2.5 (µg/m³)Level
Jan82Unhealthy
Feb85Unhealthy
Mar45Poor
Apr39Poor
May24Moderate
Jun20Moderate
Jul19Moderate
Aug19Moderate
Sep20Moderate
Oct30Moderate
Nov38Poor
Dec67Unhealthy
Location & terrain

Where is Ouessé?

Ouessé sits at 8.5°N, 2.4°E, 231 m above sea level, in Benin. The nearest listed city is Tchaourou, 48 km away.

TchaourouSavéBantéGlazouéSavalouDassa-ZoumèParakouBassila

Topography around Ouessé

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

Within 3 km, the terrain around Ouessé has only modest variations in elevation — a maximum elevation change of 58 m around an average of 228 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 164 m; within 80 km, significant variations in elevation — a maximum elevation change of 522 m.

The land around Ouessé is covered by trees (40%) and shrubs (32%) within 3 km, shrubs (43%) and trees (35%) within 16 km, and trees (48%) and shrubs (35%) within 80 km.

3 km
58 m
16 km
164 m
80 km
522 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Tchaourou 48 km · Savé 51 km · Banté 60 km · Glazoué 62 km · Savalou 80 km · Dassa-Zoumè 86 km · Parakou 97 km · Bassila 102 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 Ouessé (8.4864°, 2.4287°, elevation 231 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).