Bissau Weather in May
Bissau in May sees very high daytime temperatures of 34°C (93°F) and nighttime lows of 25°C (77°F). With just 4.9 mm (0.2 in) of rainfall expected, it's a dry month overall.
Rainfall in Bissau in May
You can expect rain on roughly 3 days based on historical data, averaging 4.9 mm (0.2 in) for the month. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in Bissau in May
Temperatures in Bissau in May top out at 34°C (93°F) and drop to 25°C (77°F) overnight. It's usually most comfortable outside during the morning and later in the day. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Bissau in May
With approximately 281 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Average water temperature in May
With water at 25°C (77°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.If you're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit Bissau. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mali, check out our Bissau's climate page.
Bissau Temperature in May
Min Temperature
25°C (77°F)
Max Temperature
34°C (93°F)
Water Temperature
25°C (77°F)
Chance of Rain
10%
Precipitation
4.9 mm (0.2 in)
Rainy days
3 days
Humidity
61%
Sunshine
281 hours
Percentage Sunshine
72%
Historical weather for Bissau in May
Browse day-by-day weather records for Bissau spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bissau historical weather extremes in May
Based on weather observations in Bissau between 2006 and 2026, these are the recorded extremes during May.
- The hottest May day on record in Bissau reached 41°C (106°F) (May 1, 2026).
- Bissau experienced its chilliest May day on May 21, 2014, reaching only 29°C (84°F).
- The coldest night in May in Bissau was on May 5, 2021, with a minimum of 20°C (68°F).
Best Places in Mali in May
Find out more about the weather in Mali and which places have the best travel conditions in this month. See all of Mali in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Bissau in May
Get ready for hot weather in May! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Almost no rain is expected, so no need to bring rain gear. Expect water temperatures of around 25°C (77°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Bissau in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mali, check out our Bissau's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Bissau climate overview or explore weather in Mali.
