Ouidah weather in August

In August, Ouidah sees average daytime highs of 27°C and overnight lows near 24°C, with 63 mm of rain across 12.5 wet days and about 12.2 hours of daylight. It is the 12th-warmest and 6th-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 3% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of August to 12 h 06 min by month's end. Set against the rest of the year, August is Ouidah's 10th-clearest and 1st-windiest month. For the whole year in context, see Ouidah's year-round climate.

Daytime high
27°
12th warmest
Overnight low
24°
1st coldest
Rainfall
63 mm
12.5 wet days
Daylight
12 h 12 min
6:49 AM – 7:02 PM
Cloud cover
78%
10th clearest
Wind
16 km/h
1st windiest
Solar energy
4.73 kWh/m²
Travel score
5.8
out of 10

Ouidah is city in Benin.

Density
131/km²
people per km²

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

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

A typical August day in Ouidah reaches about 27°C in the afternoon and slips back to 24°C overnight — a 3°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, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12724
22724
32724
42724
52724
62724
72724
82724
92724
102724
112724
122724
132724
142724
152724
162724
172724
182724
192724
202724
212724
222724
232724
242724
252724
262724
272724
282724
292724
302724
312724

How August really feels in Ouidah

Once humidity and wind are folded in, August 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

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

Ouidah weather by month

How August compares with the rest of the year at a glance. August is the 12th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 25°195.511.75.3
Feb31° / 26°246.111.84.8
Mar31° / 27°369.5124.3
Apr31° / 26°5612.712.14.0
May30° / 26°13721.912.33.5
Jun28° / 25°21224.912.43.6
Jul27° / 24°10416.612.35.2
Aug27° / 24°6312.512.25.8
Sep28° / 24°10919.2124.7
Oct29° / 25°12420.211.94.2
Nov30° / 26°5914.911.74.3
Dec31° / 26°287.111.65.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21882
31882
41882
51882
61882
71882
81882
91882
101981
111981
121981
131981
141882
151882
161783
171684
181684
191684
201684
211684
221684
231684
241684
251684
261783
271783
281783
291783
301783
311783

Chance of precipitation in August

Any precipitation

Ouidah gets around 63 mm of rain over 12.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 41% and peaks near 53% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
139
239
338
437
537
636
735
835
935
1034
1134
1234
1334
1434
1535
1636
1737
1839
1940
2041
2143
2244
2345
2446
2547
2648
2749
2850
2952
3052
3153

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
1298
2298
3298
4298
5298
6397
7397
8397
9397
10397
11397
12397
13397
14397
15397
16397
17397
18298
19298
20298
21298
22298
23199
24199
25199
26199
27199
28199
290100
300100
310100

Wind in August

Winds average 16 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 18 min at the start of August to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over August. Sunrise moves from 6:49 AM to 6:48 AM, and sunset from 7:06 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:497:06
212.36:497:06
312.36:497:06
412.36:497:06
512.36:507:05
612.36:507:05
712.36:507:05
812.26:507:05
912.26:507:04
1012.26:507:04
1112.26:507:04
1212.26:507:03
1312.26:507:03
1412.26:507:03
1512.26:497:02
1612.26:497:02
1712.26:497:02
1812.26:497:01
1912.26:497:01
2012.26:497:01
2112.26:497:00
2212.26:497:00
2312.26:496:59
2412.26:496:59
2512.26:496:58
2612.26:496:58
2712.26:486:57
2812.16:486:57
2912.16:486:57
3012.16:486:56
3112.16:486:56

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.73 kWh/m².

For context, solar energy here swings from a low near 4.35 kWh/m² to a high of 5.77 kWh/m² in March across the year — August's 4.73 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in August

Hazard calendar for Ouidah

In seasonPeak

None of Ouidah's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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

Ouidah 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 August a good time to visit Ouidah?

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

5.8
Sightseeing
1st-best month of the year
5.9
Beach & pool
7th-best month of the year

August is a reasonable time to visit Ouidah for sightseeing.

What to pack for Ouidah in August

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

In August, Ouidah sees daytime highs around 27°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

Sea temperature near Ouidah in August

The nearest coast averages about 25°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 km away) 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 Ouidah in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ouidah peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 16UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Ouidah in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Ouidah 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 Ouidah?

Ouidah sits at 6.4°N, 2.1°E, 17 m above sea level, in Benin. The nearest listed city is Kouandé, 5.0 km away.

Topography around Ouidah

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

Within 3 km, the terrain around Ouidah has only modest variations in elevation — a maximum elevation change of 32 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 56 m; within 80 km, only modest variations in elevation — a maximum elevation change of 229 m.

The land around Ouidah is covered by trees (35%), artificial surfaces (31%) and grassland (22%) within 3 km, water (35%) and trees (27%) within 16 km, and trees (34%) and water (34%) within 80 km.

3 km
32 m
16 km
56 m
80 km
229 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
August weather nearby: Kouandé 5.0 km · Comé 23 km · Godomè 29 km · Abomey-Calavi 31 km · 33 km · Allada 34 km · Ganvié 36 km · Cotonou 37 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 Ouidah (6.3631°, 2.0851°, elevation 17 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).