Cotonou Weather in August
August in Cotonou typically sees daytime highs of 27°C (81°F) and nighttime lows of 24°C (75°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Cotonou in August
Rain is expected on roughly 9 days, totalling around 93 mm (3.7 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Cotonou in August
The perfect temperature in Cotonou in August makes it a solid month to visit, with 27°C (81°F) during the day and 24°C (75°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference. While the temperatures are lower than usual, the month maintains its warmth throughout.
Sunshine in Cotonou in August
The city usually sees around 152 hours of sunlight, indicating a moderately sunny period.
Wind Speed in Cotonou in August
August sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.
Average water temperature in August
The water temperature is 24°C (75°F), which most people find very comfortable. A good month for swimming and water sports.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Cotonou.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Benin, check out our Cotonou's climate page.
Cotonou Temperature in August
Min Temperature
24°C (75°F)
Max Temperature
27°C (81°F)
Water Temperature
24°C (75°F)
Chance of Rain
30%
Precipitation
93 mm (3.7 in)
Rainy days
9 days
Humidity
85%
Windspeed
6 m/s (12 knots)
Sunshine
152 hours
Percentage Sunshine
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Cotonou typically stay consistent throughout August, with daily highs averaging around 27°C (81°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in August
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Cotonou in August
Browse day-by-day weather records for Cotonou spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cotonou historical weather extremes in August
According to our 24 years of weather records for Cotonou, the following extremes were recorded between 2001 and 2025.
- The hottest August day on record in Cotonou reached 30°C (86°F) (August 15, 2010).
- On August 20, 2006, Cotonou saw its coldest August day with temperatures maxing out at 25°C (77°F).
- The coldest night in August in Cotonou was on August 26, 2014, with a minimum of 21°C (70°F).
- The wettest day in August Cotonou was on August 29, 2005 with 63 mm (2.5 in) of precipitation.
Best Places in Benin in August
Find out more about the weather in Benin and which places have the best travel conditions in this month. See all of Benin in August →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Cotonou in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. The water temperature sits at about 24°C (75°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Cotonou in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Benin, check out our Cotonou's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Cotonou climate overview or explore weather in Benin.
