The best times to visit Cotonou for ideal weather are
July 30th to August 26th
December 3rd to March 4th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Cotonou Travel Guide
Other Cotonou Travel Info
Weather in Cotonou
Average temperatures in Cotonou vary very little. Considering humidity, temperatures feel hot all year with a low chance of precipitation most of the year. The area is less temperate than some — in the 17th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Cotonou, the hottest months are March, April, and then February. See average monthly temperatures below. The warmest time of year is generally early March where highs are regularly around 91°F (32.8°C) with temperatures rarely dropping below 80.5°F (26.9°C) at night.
Cotonou Temperatures (Fahrenheit)
Cotonou Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Cotonou Perceived Temperature (F)
Cotonou Perceived Temperature (C)
Average Cotonou Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Cotonou are January, December, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late January and early February. For example, on the week of January 29th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late May to early June with an average of 3 days of significant precipitation the week of May 28th.
When can you find snow in Cotonou? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Cotonou.
Snow on the Ground
The graph below shows the average snow on the ground in Cotonou (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Cotonou has some extremely humid months, and above average humidity throughout the year. The least humid month is January (69.9% relative humidity), and the most humid month is August (85.2%).
Wind in Cotonou is usually moderate. The windiest month is August, followed by July and September. August’s average wind speed of around 9.9 knots (11.4 MPH or 18.3 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early August where average top sustained speeds reach 15.1 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Cotonou.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||5.9||Light breeze||10.3||Gentle breeze|
|Feb||8.1||Gentle breeze||12.5||Significant breeze|
|Mar||8.8||Gentle breeze||13.3||Gentle breeze|
|Apr||7.7||Gentle breeze||12.8||Significant breeze|
|May||6.3||Light breeze||12.4||Gentle breeze|
|Jun||7.1||Gentle breeze||12.9||Significant breeze|
|Jul||9.6||Gentle breeze||14.1||Gentle breeze|
|Aug||9.9||Gentle breeze||14.5||Significant breeze|
|Sep||8.9||Gentle breeze||13.6||Gentle breeze|
|Oct||6.8||Light breeze||12||Significant breeze|
|Nov||6.6||Light breeze||11.1||Gentle breeze|
|Dec||6.1||Light breeze||10.2||Gentle breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Cotonou?
Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Oct 07, 2019 there are travel warnings and regional advisories for Benin; exercise a high degree of caution and avoid some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 20, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Cotonou, Benin is October, followed by July and August. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Cotonou in February. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Cotonou Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 91°F (32.8°C) and 87°F (30.6°C) with colder temperatures in the later months. Rain is somewhat common with 3 to 11 days of significant precipitation per month. Spring is the slowest for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 3 to 13 days of precipitation per month. June – August is the busiest season for tourism in Cotonou, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 90°F (32.2°C) and 83.7°F (28.7°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 3 to 10 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.
Winter (December through February)
Weather is perfect this time of year in Cotonou to be enjoyable for warm weather travelers. The average high during this season is between 90.4°F (32.4°C) and 89.2°F (31.8°C). On average, it rains or snows a smalll amount: 1 to 2 times per month. These times of year are fairly slow with tourists.