Bissau weather in August 2021

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  • 30°C maximum daytime temperature in August in Bissau30
    30°C max day temperature
  • 5 hours of sunshine per day
  • 22 days with some rainfall in August in Bissau22
    22 days with some rainfall
  • 23°C minimum night-time temperature in August in Bissau23
    23°C min night temperature
  • 12 hours of daylight per day in August in Bissau12
    12 hours of daylight per day
  • High heat & humidity in August in BissauH
    High heat & humidity
  • 544 mm monthly rainfall in August in Bissau544
    544 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Bissau11
    11+ (Extreme) UV index
  • 27°C sea temperature in August in Bissau27
    27°C sea temperature

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The August weather guide for Bissau, Guinea-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.

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How hot is it in Bissau in August?

Daytime temperatures usually reach 30°C in Bissau in August with high heat and humidity, falling to 23°C at night.

How sunny is it in Bissau in August?

There are normally 5 hours of bright sunshine each day in Bissau in August - that's 40% of daylight hours.

How warm is the sea around Bissau in August?

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

Does it rain in Bissau in August?

There are usually 22 days with some rain in Bissau in August and the average monthly rainfall is 544mm.

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

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Bissau sunrise & sunset times for August 2021

Browse the sunrise and sunset times for Bissau in August 2021. Select a month to view Bissau sunrise & sunset times for the next 12 months.


Date Sunrise times Sunset times
Sunday, 1st August 2021 06:50 19:28
Monday, 16th August 2021 06:52 19:22
Tuesday, 31st August 2021 06:52 19:13
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