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Guinea-Bissau weather in May 2025
Expect 35°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Guinea-Bissau in May. Check more long-term weather averages for Guinea-Bissau in May before you book your next holiday to Guinea-Bissau in 2025/2026.
- 3535°C max day temperature
- 8 hours of sunshine per day
- 33 days with some rainfall
- 2222°C min night temperature
- 1313 hours of daylight per day
- HHigh heat & humidity
- 2121 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2727°C sea temperature
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Recommended for Guinea-Bissau
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.
Top Guinea-Bissau destinations
Below are average maximum temperatures at popular countries, regions and places in Guinea-Bissau in May. Select a holiday destination to see more weather parameters.
All Guinea-Bissau destinations
Metric (°C / mm) | Imperial (°F / inches)
How hot is it in Guinea-Bissau in May?
Daytime temperatures usually reach 35°C in Bissau, Guinea-Bissau in May with high heat and humidity, falling to 22°C at night.
How sunny is it in Guinea-Bissau in May?
There are normally 8 hours of bright sunshine each day in Bissau, Guinea-Bissau in May - that's 66% of daylight hours.
How warm is the sea around Guinea-Bissau in May?
The average sea temperature around Bissau, Guinea-Bissau in May is 27°C.
Does it ever rain in Guinea-Bissau in May?
There are usually 3 days with some rain in Bissau, Guinea-Bissau in May and the average monthly rainfall is 21mm.
Guinea-Bissau May sunrise & sunset times
Browse the sunrise and sunset times for Guinea-Bissau in May 2025. Select a month to view Guinea-Bissau sunrise and sunset times for the next 12 months. The Guinea-Bissau sunrise and sunset times shown below are for Bissau.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 06:43 | 19:16 |
Friday, 16th May 2025 | 06:38 | 19:19 |
Saturday, 31st May 2025 | 06:37 | 19:23 |
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