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Bissau weather in August 2025
Expect 30°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Bissau in August. Check more long-term weather averages for Bissau in August before you book your next holiday to Guinea-Bissau in 2025/2026.
- 3030°C max day temperature
- 5 hours of sunshine per day
- 2222 days with some rainfall
- 2323°C min night temperature
- 1212 hours of daylight per day
- HHigh heat & humidity
- 544544 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2727°C sea temperature
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Recommended for Guinea-Bissau
The August 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)
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.
Bissau August sunrise & sunset times
Browse the sunrise and sunset times for Bissau in August 2025. Select a month to view Bissau sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 06:50 | 19:28 |
Saturday, 16th August 2025 | 06:52 | 19:22 |
Sunday, 31st August 2025 | 06:52 | 19:13 |
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