Cotonou weather in June

In June, Cotonou sees average daytime highs of 27°C and overnight lows near 26°C, with 259 mm of rain across 26.1 wet days and about 12.4 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 7% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of June to 12 h 24 min by month's end. Set against the rest of the year, June is Cotonou's 12th-clearest and 7th-windiest month. For the whole year in context, see Cotonou's year-round climate.

Daytime high
27°
8th warmest
Overnight low
26°
4th coldest
Rainfall
259 mm
26.1 wet days
Daylight
12 h 24 min
6:40 AM – 7:02 PM
Cloud cover
79%
12th clearest
Wind
18 km/h
7th windiest
Solar energy
4.22 kWh/m²
Travel score
3.9
out of 10

Cotonou is city in Benin, seat of the government.

Density
8,595/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical June day in Cotonou reaches about 27°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, June runs about 1°C cooler than May and about 1°C warmer than July.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82726
92726
102726
112726
122726
132726
142726
152726
162726
172725
182725
192725
202725
212725
222725
232725
242725
252725
262725
272725
282625
292625
302625

How June really feels in Cotonou

Once humidity and wind are folded in, June averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Cotonou weather by month

How June compares with the rest of the year at a glance. June is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 26°216.611.77.1
Feb28° / 27°277.811.86.4
Mar29° / 27°4812.5125.3
Apr29° / 27°7315.712.14.8
May28° / 27°16423.412.34.0
Jun27° / 26°25926.112.43.9
Jul26° / 25°13218.912.35.2
Aug25° / 24°7313.312.26.1
Sep26° / 25°10518125.2
Oct27° / 26°11020.211.95.0
Nov28° / 27°4913.811.75.7
Dec28° / 27°277.611.66.9

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in June, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of June, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11783
21783
31783
41882
51882
61882
71981
81981
92080
102080
112179
122179
132377
142377
152377
162575
172575
182575
192575
202575
212575
222575
232377
242377
252377
262377
272179
282179
292179
302179

Chance of precipitation in June

Any precipitation

Cotonou gets around 259 mm of rain over 26.1 wet days in June, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 87% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
186
286
387
487
587
687
787
888
988
1088
1188
1288
1389
1489
1589
1689
1789
1888
1988
2088
2187
2287
2386
2485
2585
2684
2783
2882
2981
3080

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

Most of June feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, June lands in the oppressive band about 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
15644
25941
36238
46436
56733
66931
77129
87327
97525
107723
117921
128119
138218
148416
158515
168713
178812
188911
199010
20919
21928
22937
23946
24955
25964
26964
27973
28973
29982
30982

Wind in June

Winds average 18 km/h in June.

Across June, daily wind ranges from about 16 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 12 h 18 min at the start of June 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 June. Sunrise moves from 6:38 AM to 6:42 AM, and sunset from 6:58 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:386:58
212.36:386:58
312.36:386:59
412.36:386:59
512.46:386:59
612.46:386:59
712.46:386:59
812.46:387:00
912.46:387:00
1012.46:397:00
1112.46:397:00
1212.46:397:01
1312.46:397:01
1412.46:397:01
1512.46:397:01
1612.46:407:02
1712.46:407:02
1812.46:407:02
1912.46:407:02
2012.46:407:02
2112.46:417:03
2212.46:417:03
2312.46:417:03
2412.46:417:03
2512.46:417:04
2612.46:427:04
2712.46:427:04
2812.46:427:04
2912.46:427:04
3012.46:427:04

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.22 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.22 kWh/m² to a high of 5.6 kWh/m² in March across the year — June's 4.22 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
Planning a trip in June

Hazard calendar for Cotonou

In seasonPeak

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

Cotonou's rainy season runs May–July, when most of the year's rain falls.

Cotonou 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 June a good time to visit Cotonou?

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

3.9
Sightseeing
12th-best month of the year
4.0
Beach & pool
12th-best month of the year

June is a weaker month for outdoor sightseeing in Cotonou.

What to pack for Cotonou in June

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

In June, Cotonou sees daytime highs around 27°C and nights near 26°C. Pack light clothes and rain gear. About 26 days see rain.

light clothesrain gear

Sea temperature near Cotonou in June

The nearest coast averages about 28°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 29°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct27Warm
Nov29Tropical
Dec28Tropical

UV index in Cotonou in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Cotonou peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 highExtremeExtremeVery highApr 10UV 13Dec 17UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Cotonou in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Cotonou is worst in January — around 78 µg/m³ PM2.5 (unhealthy), about 7.7× the cleanest month (September, 10 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateGoodModerateJan 1676 µg/m³Sep 1810 µg/m³
PM2.5 (µg/m³)Level
Jan78Unhealthy
Feb61Unhealthy
Mar28Moderate
Apr24Moderate
May15Moderate
Jun15Moderate
Jul16Moderate
Aug13Moderate
Sep10Good
Oct12Good
Nov19Moderate
Dec61Unhealthy
Location & terrain

Where is Cotonou?

Cotonou sits at 6.4°N, 2.4°E, 7 m above sea level, in Benin. The nearest listed city is Godomè, 8.0 km away.

Topography around Cotonou

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

Within 3 km, the terrain around Cotonou has only modest variations in elevation — a maximum elevation change of 13 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 33 m; within 80 km, only modest variations in elevation — a maximum elevation change of 171 m.

The land around Cotonou is covered by artificial surfaces (76%) within 3 km, water (66%) and artificial surfaces (20%) within 16 km, and trees (37%) and water (36%) within 80 km.

3 km
13 m
16 km
33 m
80 km
171 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
June weather nearby: Godomè 8.0 km · Ganvié 11 km · Abomey-Calavi 12 km · Ekpé 13 km · Semi 22 km · Porto-Novo 25 km · Missérété 29 km · Zinvié 29 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 Cotonou (6.3654°, 2.4183°, elevation 7 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).