May · Guinea-Bissau
Best time to visit Bissau in May Weather, crowds & prices
Weather in Bissau in May
Average temperature 28°C, 8 mm of rain, about 30 days with 6+ hours of sunshine and 64% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
7.8/10
Ranked #7 of 12 months
- Avg temp
- 28°C
- Rainfall
- 8 mm
- Humidity
- 64%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Bissau scores 7.8/10 for sightseeing and cultural travel - ranked #7 of 12. Expect around 28°C, 8 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Bissau is Guinea-Bissau's low-rise capital, with Portuguese-era streets, markets, a working port, cashew culture, and access to the Bijagós archipelago.
May in Bissau: strong conditions, 7th of 12
Days in May average 28°C (83°F) — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
At just 8 mm for the month, rain will not shape your plans; you get about 30 days with 6+ hours of sunshine and 12.7 hours of daylight.
That is 7.8/10 on the same scale — 7th of 12 months, versus 8.6/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Bissau in May?
- In May, Bissau averages 28°C, 8 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 7.8/10.
- Is May a good time to visit Bissau?
- May earns a 7.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Bissau in May?
- Expect about 8 mm of rain in May. Average humidity is 64% and there are about 30 days with 6+ hours of sunshine.
Curated in Bissau
Tickets & experiences
Things to do in Bissau
Bissau, Guinea-Bissau. Live activities and tours from GetYourGuide, matched to this destination.