Weathermondo.comGuinea-Bissau climate and temperatures
The climate of Guinea-Bissau is a tropical savanna climate (Köppen: Aw), characterized by consistently warm temperatures and a dry winter season. Monthly temperatures range from a minimum of 30°C in August to a maximum of 36°C in March. The average annual temperature is around 34°C.
During the colder months, nighttime temperatures average around 19°C, while in the warmer months they average about 24°C.
Popular destinations in Guinea-Bissau
View all destinations in Guinea-BissauClimate table of Guinea-Bissau
The climate table below gives you a clear overview of the climate in Guinea-Bissau by month, from average temperatures and rainfall to UV levels. This makes it easy to see when the weather best suits your travel plans.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 14 | 16 | 17 | 19 | 23 | 27 | 30 | 30 | 27 | 23 | 18 | 16 |
| Temp. min (°C) | 6 | 7 | 9 | 11 | 15 | 19 | 22 | 22 | 19 | 15 | 10 | 7 |
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| Rainfall (mm) | 46 | 34 | 46 | 64 | 43 | 23 | 22 | 75 | 77 | 84 | 61 | 25 |
| UV index | 4 | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 6 | 5 | 4 | 4 |
Best time to visit Guinea-Bissau
The best time to visit Guinea-Bissau is January, February, March, April, August, November en December. During this period, temperatures are usually pleasant to warm and there is relatively little rainfall. Between January and December, average high temperatures range roughly from 34°C to 34°C, while rainfall remains limited. For a sun or beach holiday, January, February, March, April, May, November en December are the most suitable months. It is often warm to hot and relatively dry during this time. The warmest month is March, with an average daytime temperature of around 36°C. The driest month is January, with about 0 mm of rainfall, while August is usually the wettest month of the year, with approximately 545 mm. Snow plays virtually no role in the climate here.
Average temperature per month
This chart shows the average daytime (maximum) and nighttime (minimum) temperatures per month in Guinea-Bissau. The figures are based on climate data from recent years and are presented in degrees Celsius, so you can clearly see the temperature range for each month.
Average rainfall per month
This chart shows the average monthly rainfall in Guinea-Bissau. The figures are based on long-term climate data and are displayed in millimeters, so you can immediately see which months are drier or wetter.
Average UV index per month
This chart shows the average monthly sun intensity in Guinea-Bissau. The UV index ranges from 0 (no UV radiation) to 11+ (extreme). A higher UV index means you can burn more quickly, making proper sun protection increasingly important.
Average annual temperature
This chart shows the average annual temperature in Guinea-Bissau based on data from the past ten years. It allows you to see at a glance how the climate is evolving and whether there are clear warming trends.
Average annual rainfall
This chart shows the average annual rainfall in Guinea-Bissau over the past ten years. It allows you to see at a glance how much rain falls each year and whether there are clear fluctuations between the years.
Weather experiences in Guinea-Bissau
The weather in Guinea-Bissau is rated an average of 4.3 out of 5 stars by 8 visitors. Have you been to Guinea-Bissau? Share your experience with the weather to help other visitors plan their trip.
Average weather per month
Click on a month below and discover what the weather in Guinea-Bissau is typically like. For each period, you can instantly see the average temperature, rainfall, wind, and UV index. Thanks to years of historical weather data, you’ll know exactly what to expect during your trip.