Bissau weather in May 2026

Expect daytime maximum temperatures of 35°C in Bissau, Guinea-Bissau in May and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average.

  • 35°C maximum daytime temperature in May in Bissau35
    35°C max day temperature
  • 8 hours of sunshine per day
  • 3 days with some rainfall in May in Bissau3
    3 days with some rainfall
  • 22°C minimum night-time temperature in May in Bissau22
    22°C min night temperature
  • 13 hours of daylight per day in May in Bissau13
    13 hours of daylight per day
  • High heat & humidity in May in BissauH
    High heat & humidity
  • 21 mm monthly rainfall in May in Bissau21
    21 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Bissau11
    11+ (Extreme) UV index
  • 27°C sea temperature in May in Bissau27
    27°C sea temperature

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The May weather guide for Guinea-Bissau (Bissau) 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.

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

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How hot is it in Bissau in May?

Daytime temperatures usually reach 35°C in Bissau in May with high heat and humidity, falling to 22°C at night.

How sunny is it in Bissau in May?

There are normally 8 hours of bright sunshine each day in Bissau in May - that's 66% of daylight hours.

How warm is the sea around Bissau in May?

The average sea temperature around Bissau in May is 27°C.

Does it ever rain in Bissau in May?

There are usually 3 days with some rain in Bissau in May and the average monthly rainfall is 21mm.

Bissau May sunrise & sunset times

Browse the sunrise and sunset times for Bissau in May 2026. Select a month to view Bissau sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 06:43 19:16
Saturday, 16th May 2026 06:38 19:19
Sunday, 31st May 2026 06:37 19:23

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