Temperatures in August
It's hot in August in Guinea-Bissau with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 31°C. At night, you can expect temperatures between 24°C and 25°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Guinea-Bissau in August. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of August
The month of August starts in Guinea-Bissau with hot temperatures, averaging around 31°C during the day and nights close to 25°C. Plenty of days with a chance of precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-August
By mid-August, the average daytime temperature stays the same at 31°C, with nights close to 25°C. The chance of precipitation is high during this period. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of August
By the end of August, the average daytime temperature in Guinea-Bissau will be around 31°C, with nights close to 25°C. There’s a significant chance of many days with precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
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Precipitation in August
In August, there is an average of 545 mm of precipitation, spread over 29 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
The average precipitation chance this month is over 93%, so expect nearly daily rain in August.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in August for Guinea-Bissau. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Guinea-Bissau in August |
UK | ||
|---|---|---|---|
 Average Temperature |
30°C | 22°C | |
 High Temp |
31°C | 24°C | |
| Low Temp |
29°C | 19°C | |
 Total Precipitation |
545 mm | 60 mm | |
| Rainy Days |
29 days | 10 days | |
July
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is August a good time to visit Guinea-Bissau?
After some sun? Then August isn’t the best time to be in Guinea-Bissau. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Guinea-Bissau in August
With 38°C, Guinea-Bissau hit the highest temperature in the last 10 years in August 2018. The lowest daytime temperature in this month was 25°C in 2022. The extreme night temperatures ranged from a low of 22°C to a high of 26°C.
Check out the climate of Guinea-Bissau for all months and discover the best travel time
The climate of Guinea-Bissau is based on weather data from Bissau. Other locations might have different weather. You can check out all destinations in Guinea-Bissau for a full picture of the climate.
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Daily Temperature in August in Guinea-Bissau
This chart shows the average daily temperatures, both day and night, for each day in August in Guinea-Bissau, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in August in Guinea-Bissau
The chart below shows the average daily precipitation in August for Guinea-Bissau, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect around 29 days of rain in Guinea-Bissau.
Daily UV Index in August in Guinea-Bissau
This chart shows the average daily UV index in August in Guinea-Bissau, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Guinea-Bissau Over the Years
This chart shows the average temperature in August in Guinea-Bissau, measured in degrees Celsius, over the past years.
Total Precipitation in August in Guinea-Bissau Over the Years
This chart shows the average precipitation in August in Guinea-Bissau, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in August for Guinea-Bissau
Click on a specific day in August for detailed info on the typical weather on that day in Guinea-Bissau. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Guinea-Bissau
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Average Weather in Guinea-Bissau by Month
Click on a month below to see detailed weather info for Guinea-Bissau. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Guinea-Bissau for all months at once
