Weathermondo.com
The weather in August in Guinea-Bissau
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.
Looking for sun? August isn’t a good month to be in Guinea-Bissau. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Guinea-Bissau. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 38°C in 2018, Guinea-Bissau reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 25°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 22°C to a highest value of 26°C.
Rainfall amount
In August, there is an average of 545 mm of precipitation, spread over 31 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Daily weather in August for Guinea-Bissau
Click on any day in August to get detailed info about the usual weather on that day in Guinea-Bissau. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Guinea-Bissau | New York | |
|---|---|---|
| Average temperature | 30°C | 30°C |
| Max. temperature | 31°C | 31°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 545 mm | 79 mm |
| Rainy days | 31 days | 13 days |
Start of August
The month of August starts in Guinea-Bissau with hot temps, averaging around 31°C during the day and nights around 25°C.
Mid August
By mid-August, daytime temps stay steady at around 31°C, with nights around 25°C. There’s a high chance of precipitation during this time.
End of August
By the end of August, the average daytime temperature in Guinea-Bissau is around 31°C, while nighttime temps are about 25°C. There’s a significant chance of many days with precipitation.
Find affordable vacations to Guinea-Bissau
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.
Check out the climate of Guinea-Bissau for all months and discover the best travel time
The climate in Guinea-Bissau is based on weather data from Bissau. Other spots might have different weather. You can check out all destinations in Guinea-Bissau to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in August in Guinea-Bissau. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Guinea-Bissau
Temperature in August in Guinea-Bissau over the years
Precipitation charts
These charts show the average amount of precipitation in August in Guinea-Bissau. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Guinea-Bissau
Total precipitation in August in Guinea-Bissau over the years
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.
Weather experiences in August in Guinea-Bissau
Have you been to Guinea-Bissau in August?
Share your weather experience in August in Guinea-Bissau.
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.