Cotonou weather in May 2023

  • 31°C maximum daytime temperature in May in Cotonou31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in May in Cotonou14
    14 days with some rainfall
  • 24°C minimum night-time temperature in May in Cotonou24
    24°C min night temperature
  • 12 hours of daylight per day in May in Cotonou12
    12 hours of daylight per day
  • High heat & humidity in May in CotonouH
    High heat & humidity
  • 197 mm monthly rainfall in May in Cotonou197
    197 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Cotonou11
    11+ (Extreme) UV index
  • 29°C sea temperature in May in Cotonou29
    29°C sea temperature
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The May weather guide for Benin (Cotonou) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Cotonou in May?

Daytime temperatures usually reach 31°C in Cotonou in May with high heat and humidity, falling to 24°C at night.

How sunny is it in Cotonou in May?

There are normally 7 hours of bright sunshine each day in Cotonou in May - that's 54% of daylight hours.

How warm is the sea around Cotonou in May?

The average sea temperature around Cotonou in May is 29°C.

Does it rain in Cotonou in May?

There are usually 14 days with some rain in Cotonou in May and the average monthly rainfall is 197mm.

Cotonou May sunrise & sunset times

Browse the sunrise and sunset times for Cotonou in May 2023. Select a month to view Cotonou sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st May 2023 06:37 18:58
Tuesday, 16th May 2023 06:34 18:59
Wednesday, 31st May 2023 06:34 19:02

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