March · Benin
Best time to visit Cotonou in March Weather, crowds & prices
Weather in Cotonou in March
Average temperature 28°C, 83 mm of rain, about 22 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
March score
5.4/10
Ranked #6 of 12 months
- Avg temp
- 28°C
- Rainfall
- 83 mm
- Humidity
- 85%
- Days with 6h+ sun
- 22
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
March in Cotonou scores 5.4/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 28°C, 83 mm of rain, and roughly 22 days with 6+ hours of sunshine this month.
Cotonou is Benin's largest city, set between the Atlantic and Lake Nokoue, with a huge market and stilt-village trips.
March in Cotonou — middling scores, decent value
Days in March average 28°C (82°F) and humidity near 85% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 83 mm of rain this month — a flexible day or two helps — with about 22 days with 6+ hours of sunshine and 12 hours of daylight to work around it.
That is 5.4/10 on the same scale — 6th of 12 months, versus 7.6/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
Budget for mid-season pricing, and crowds are moderate.
If your dates are flexible, December is materially better in Cotonou — 2.2 points higher on the same scale.
Frequently asked
- What is the weather like in Cotonou in March?
- In March, Cotonou averages 28°C, 83 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 5.4/10.
- Is March a good time to visit Cotonou?
- March earns a 5.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cotonou in March?
- Expect about 83 mm of rain in March. Average humidity is 85% and there are about 22 days with 6+ hours of sunshine.
Curated in Cotonou
Tickets & experiences
Things to do in Cotonou
Cotonou, Benin. Live activities and tours from GetYourGuide, matched to this destination.