Tchaourou weather in May

In May, Tchaourou sees average daytime highs of 33°C and overnight lows near 24°C, with 138 mm of rain across 18.6 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 6% 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 Tchaourou's 8th-clearest and 3rd-windiest month. For the whole year in context, see Tchaourou's year-round climate.

Daytime high
33°
7th warmest
Overnight low
24°
10th coldest
Rainfall
138 mm
18.6 wet days
Daylight
12 h 24 min
6:34 AM – 6:58 PM
Cloud cover
75%
8th clearest
Wind
8 km/h
3rd windiest
Solar energy
5.32 kWh/m²
Travel score
2.9
out of 10

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 Tchaourou 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
193224
203224
213224
223223
233223
243223
253223
263223
273223
283223
293223
303223
313223

How May really feels in Tchaourou

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.

Tchaourou 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° / 20°20.411.54.2
Feb35° / 23°81.511.72.9
Mar36° / 24°325.411.92.3
Apr34° / 24°9113.512.22.5
May33° / 24°13818.612.42.9
Jun31° / 23°14820.212.53.4
Jul29° / 22°22226.312.53.3
Aug29° / 22°26026.712.33.3
Sep30° / 22°23524.412.13.2
Oct32° / 22°11216.211.83.5
Nov34° / 22°92.111.63.8
Dec34° / 20°20.411.54.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 74%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22872
32872
42773
52773
62872
72773
82872
92872
102773
112773
122773
132674
142674
152773
162773
172773
182773
192773
202674
212674
222575
232476
242476
252377
262377
272377
282278
292278
302179
312179

Chance of precipitation in May

Any precipitation

Tchaourou gets around 138 mm of rain over 18.6 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 60% 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 (%)
156
257
358
459
559
659
759
859
959
1058
1158
1258
1358
1457
1557
1657
1758
1858
1958
2059
2159
2260
2361
2462
2563
2664
2765
2866
2967
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 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
12935
21945
31936
41936
51936
61936
71936
81936
91936
100946
110946
120946
130946
140946
150946
160946
170946
180946
190946
200946
210946
221936
231936
241936
251945
261945
271945
281945
291954
301954
311954

Wind in May

Winds average 8 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
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
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 6:38 AM to 6:33 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)
112.36:386:56
212.36:376:56
312.36:376:56
412.36:376:56
512.36:366:56
612.36:366:57
712.36:366:57
812.46:356:57
912.46:356:57
1012.46:356:57
1112.46:356:57
1212.46:346:57
1312.46:346:57
1412.46:346:58
1512.46:346:58
1612.46:346:58
1712.46:346:58
1812.46:336:58
1912.46:336:59
2012.46:336:59
2112.46:336:59
2212.46:336:59
2312.46:336:59
2412.46:337:00
2512.56:337:00
2612.56:337:00
2712.56:337:00
2812.56:337:01
2912.56:337:01
3012.56:337:01
3112.56:337:01

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.32 kWh/m².

For context, solar energy here swings from a low near 3.99 kWh/m² to a high of 6.23 kWh/m² in February across the year — May's 5.32 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
305.0Bright
314.9Bright
Planning a trip in May

Hazard calendar for Tchaourou

In seasonPeak

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

Tchaourou's monsoon runs May–September, when most of the year's rain falls.

Tchaourou sees seasonal dust haze (January–May), heaviest in February.

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

Is May a good time to visit Tchaourou?

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 Tchaourou.

What to pack for Tchaourou in May

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

In May, Tchaourou sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Tchaourou 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 Tchaourou peaks around March 22 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 highMar 22UV 13Dec 18UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar14Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec7Very high

Air quality in Tchaourou 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 Tchaourou is worst in February — around 84 µg/m³ PM2.5 (unhealthy), about 5.2× the cleanest month (August, 16 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorFeb 1082 µg/m³Aug 1116 µg/m³
PM2.5 (µg/m³)Level
Jan75Unhealthy
Feb84Unhealthy
Mar47Poor
Apr40Poor
May23Moderate
Jun19Moderate
Jul17Moderate
Aug16Moderate
Sep19Moderate
Oct31Moderate
Nov37Poor
Dec59Unhealthy
Location & terrain

Where is Tchaourou?

Tchaourou sits at 8.9°N, 2.6°E, 332 m above sea level, in Benin. The nearest listed city is Ouessé, 48 km away.

OuesséParakouOkutaSakiBantéSavéBassilaNdali

Topography around Tchaourou

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

Within 3 km, the terrain around Tchaourou has only modest variations in elevation — a maximum elevation change of 58 m around an average of 320 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 181 m; within 80 km, significant variations in elevation — a maximum elevation change of 488 m.

The land around Tchaourou is covered by trees (64%) within 3 km, trees (52%) and shrubs (35%) within 16 km, and shrubs (41%) and trees (39%) within 80 km.

3 km
58 m
16 km
181 m
80 km
488 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Ouessé 48 km · Parakou 50 km · Okuta 76 km · Saki 91 km · Banté 94 km · Savé 96 km · Bassila 103 km · Ndali 109 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 Tchaourou (8.8865°, 2.5975°, elevation 332 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).