December · Benin
Best time to visit Cotonou in December Weather, crowds & prices
Weather in Cotonou in December
Average temperature 26°C, 14 mm of rain, about 22 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
7.6/10
Ranked #1 of 12 months
- Avg temp
- 26°C
- Rainfall
- 14 mm
- Humidity
- 76%
- Days with 6h+ sun
- 22
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Cotonou scores 7.6/10 for sightseeing and cultural travel - the single best month of the year. Expect around 26°C, 14 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.
December: the best month of the year in Cotonou
Days in December average 26°C (80°F) and humidity near 76% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
At just 14 mm for the month, rain will not shape your plans; you get about 22 days with 6+ hours of sunshine and 11.6 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Cotonou at 7.6/10 — the reference point every other month on this page is measured against.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Cotonou in December?
- In December, Cotonou averages 26°C, 14 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 7.6/10.
- Is December a good time to visit Cotonou?
- December earns a 7.6/10 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 December?
- Expect about 14 mm of rain in December. Average humidity is 76% 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.