Guinea-Bissau

Guinea-Bissau Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Guinea-Bissau in August.

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Bissau

Considering a trip to Guinea-Bissau this August and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Guinea-Bissau in August

August in Guinea-Bissau generally has very warm temperatures, with heavy precipitation.

Temperatures

You can expect very warm maximum daytime temperatures of around 30°C (86°F) and nighttime temperatures around 25°C (77°F) in Bissau. On average, August is the month with the lowest temperatures of the year in Bissau.

To explore the conditions in Guinea-Bissau in more detail, check the map below.

Precipitation

August is a very rainy month with an average rainfall of around 460 mm (18 in) in Bissau. Based on climate data from the last 30 years, Bissau receives the most rainfall during this month of the year.

Average sunshine

Sunshine levels are moderate in most locations. Bissau typically sees 156 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Guinea-Bissau by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Guinea-Bissau in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Guinea-Bissau.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Guinea-Bissau

What is the weather like in August for the most popular destinonation in Guinea-Bissau?

Bissau

In August Bissau generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« July
August
September »
July
August
September
Max temperature
31°C (88°F)
30°C (86°F)
31°C (88°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
190 hours
156 hours
180 hours
Monthly rainfall
353 mm (14 in)
460 mm (18 in)
321 mm (13 in)
Monthly rainy days
18 days
22 days
19 days
Weather conditions
poor
poor
poor
Climate in Bissau →

Is your destination not in the list? Have a look at all destinations in Guinea-Bissau.

In our records: Guinea-Bissau August extremes

Notable August records observed across cities in Guinea-Bissau in our climate database (2006 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest August day in Guinea-Bissau brought 218 mm (8.6 in) in Bissau on August 1, 2015.

Guinea-Bissau weather in August: frequently asked questions

What is the weather like in Guinea-Bissau in August?

August in Guinea-Bissau brings poor weather. In Bissau, daytime temperatures are typically around 30°C (86°F) and nighttime lows hover near 25°C (77°F).

What is the average temperature in Guinea-Bissau in August?

Bissau averages a daytime maximum of 30°C (86°F) in August, with overnight lows close to 25°C (77°F).

Does Guinea-Bissau get a lot of rain in August?

Yes. August brings heavy rainfall to Guinea-Bissau, with Bissau averaging around 460 mm (18 in). Expect frequent showers and pack accordingly.

Is August a Good Time to Visit Guinea-Bissau?

In our view, August might not be the best time to travel to Guinea-Bissau with often poor weather in Bissau.

Generally speaking, January provides tolerable weather in Bissau. The weather in February, March, April, May, July, August, September, October, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Guinea-Bissau.

Weather and climate has detailed information for every country in the world. Are you going to Guinea-Bissau? Get detailed historical weather averages for many cities in Guinea-Bissau.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.