Bissau Weather in August
Guinea-Bissau · August climate averages and travel tips
Bissau in August sees daytime temperatures around 29°C (83°F), dropping to about 25°C (76°F) at night. The month is very wet, with about 545 mm (21.5 in) of rain spread over 31 days, making it the wettest month of the year. Humidity averages 90%, so it feels sticky and hotter than the thermometer suggests. You get roughly 12.4 hours of daylight and frequently cloudy skies.
Is August a good time to visit Bissau?
August is not the best time to visit Bissau (2.3/10) mainly because of the rain. The weather is much better in December and January.
Visiting Bissau in August
August: deep in the rains
Bissau is hot, steamy and very wet in August. The high reaches 29°C, but humidity sits at 90%, so even a short walk can feel sticky. Rain falls every day, with thick cloud and little sunshine. This is the wettest month in the data, wetter than July and September.
You can still visit the old centre and see the Fortaleza d'Amura between showers. But muddy streets and sudden downpours can make long walks tiring. Skip plans that depend on dry roads or calm boat trips to the Bijagós Islands; rain can disrupt both.
Events and quieter streets
There's no major fixed August festival or public holiday in Bissau that visitors can count on. Guinea-Bissau's Independence Day is in September, not August. The rainy season also keeps visitor numbers lower than in the drier months, especially December and January.
If you hate crowds, August may suit you. You'll find a quieter city, though some tourism services may run less often. Prices are generally lower than in the dry-season peak, but heavy rain can make getting around less convenient.
Make the rain work for you
Keep sightseeing flexible. A shower can pass, but with rain recorded on all 31 days, don't count on a fully dry afternoon. Save indoor stops, such as the National Ethnographic Museum, for the wettest spells. For a meal, try caldo de mancarra, a local peanut stew, at a Bissau restaurant.
Travelling with kids? Short visits around central Bissau are easier than long day trips in August. Check locally before setting out for the Fortaleza d'Amura, since access arrangements can change. The cooler feel of a rainy spell may help, but the air stays damp and sticky.
August weather at a glance
| Average high | 29°C (83°F) |
|---|---|
| Average low | 25°C (76°F) |
| Daily mean | 26°C (79°F) |
| Rainfall | 545 mm (21.5 in) |
| Rainy days (1 mm+) | 31 |
| Humidity | 90% |
| Cloud cover | 83% |
| Daylight | 12.4 hours |
| Est. sunshine | 2.3 hours/day |
| Wind | 9.3 km/h |
| vs July | 1°C cooler than July, with 115 mm more rain. |
What to pack for Bissau in August
- light, breathable clothing
- sunscreen and a hat
- an umbrella or rain jacket
Bissau weather in other months
← JulyBest time to visit BissauSeptember →
Better weather in August nearby
- Durban21°C · 35 mm · Excellent
- Arusha26°C · 43 mm · Excellent
- Windhoek26°C · 1 mm · Excellent
- Port Louis24°C · 22 mm · Excellent
- Johannesburg21°C · 5 mm · Excellent
- Nairobi27°C · 20 mm · Excellent
Nearby in August
- Banjul28°C · 310 mm
- Camayenne27°C · 1043 mm
- Conakry27°C · 1043 mm
- Touba32°C · 223 mm
- Dakar28°C · 210 mm
- Pikine28°C · 185 mm
Where else is good in August? See where to go in August.