When to go · Bissau
Bissau in August
Avoid month. Very wet.
Key facts
- Verdict
- Avoid
- Temperature
- 29°C (84°F)84°F (29°C) / 23°C (73°F)73°F (23°C)
- average high / low
- Rain days
- 21
- Crowds
- Low
- Guinea-Bissau overall
- Prices
- Low
- Guinea-Bissau overall
Verdict
Very wet.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than August?
August is rated avoid. These months rate higher:
Weather in August
- BissauHighs around 29 °C (84 °F), lows around 23 °C (73 °F), rain on about 21 daysHighs around 84 °F (29 °C), lows around 73 °F (23 °C), rain on about 21 days
- Coast and Bissau, Guinea-Bissau · Bissau, Cacheu, Varelastorm or typhoon risk
Dry and pleasant Dec–Mar with Harmattan haze; very wet Jul–Sep (Bissau gets about 2,000 mm a year).
Jun–Oct season
Heavy afternoon rain most days; low streets flood and road trips slow down.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Pidjiguiti Day
3 August · Pidjiguiti memorial
Low-key commemorations of the 1959 massacre.
Crowds and prices
- Crowds · Guinea-Bissau overall
- Low
- Prices · Guinea-Bissau overall
- Low
Guinea-Bissau overall: Wettest month; turtle nesting starts on Poilão.
Compare two months
Weather, crowds and prices for any two months in Bissau, side by side.
Verdict
Aug: Avoid
Jan: Great (better)
Daytime high
Aug: 29 °C (84 °F)84 °F (29 °C)
Jan: 32 °C (90 °F)90 °F (32 °C)
Night low
Aug: 23 °C (73 °F)73 °F (23 °C)
Jan: 18 °C (64 °F)64 °F (18 °C)
Rain days
Aug: 21
Jan: 0 (better)
Crowds
Aug: Low
Jan: Medium
Prices
Aug: Low
Jan: Medium
Festivals listed
Aug: 1
Jan: 1
August: Very wet.
January: Dry season, hot; Harmattan haze some days.
Bissau: figures are long-term averages from this guide, not a forecast.
What to pack
- A rain jacket or umbrella and shoes that dry fast
- A spare day in the plan: storms can cancel flights and ferries