Cotonou Weather in December
During December, Cotonou experiences very high daytime temperatures of 30°C (86°F) and cooler nights around 26°C (79°F). Some rainfall is typical during this period.
Rainfall in Cotonou in December
On average, there are about 2 days with rain during this month, averaging 38 mm (1.5 in). If rain does fall, it tends to arrive as a fairly heavy shower rather than light drizzle.
Temperature in Cotonou in December
December in Cotonou sees highs of 30°C (86°F) and lows of 26°C (79°F) overnight. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. At 26°C (79°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.
Sunshine in Cotonou in December
Enjoy a sunny month with about 221 hours of sunshine, the clear skies make Cotonou even more beautiful.
Wind Speed in Cotonou in December
Wind speeds average 3 m/s (6 knots) during December. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.
Average water temperature in December
At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.If you prefer enjoying temperate temperatures and rain-free days, August typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 December
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Water Temperature
28°C (82°F)
Chance of Rain
6%
Precipitation
38 mm (1.5 in)
Rainy days
2 days
Humidity
83%
Windspeed
3 m/s (6 knots)
Sunshine
221 hours
Percentage Sunshine
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Cotonou typically stay consistent throughout December, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in December
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 December
Historical weather for Cotonou in December
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 December
According to our 24 years of weather records for Cotonou, the following extremes were recorded between 2001 and 2025.
- Cotonou recorded its highest December temperature of 35°C (95°F) on December 23, 2019.
- The coldest December day was on December 19, 2002, with a maximum of 28°C (82°F).
- The lowest overnight temperature recorded in December was 16°C (61°F) (December 1, 2020).
Best Places in Benin in December
Find out more about the weather in Benin and which places have the best travel conditions in this month. See all of Benin in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Cotonou in December
Warm temperatures in December 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. Pack a light rain jacket or compact umbrella for occasional showers. With water temperatures around 28°C (82°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Cotonou in December
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.
