30 to 36°C
3302 hours
sunshine per day
468 mm
263 days
102 days
0 days

Climate of Guinea-Bissau

Guinea-Bissau has a tropical savanna climate. It is warm every month with both a wet and dry season. The average annual temperature for Guinea-Bissau is 33° degrees and there is about 467 mm of rain in a year. It is dry for 251 days a year with an average humidity of 58% and an UV-index of 7.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 30°C and 36°C
  • Night:the average nighttime temperature is between 22°C and 26°C
  • Rain: it rains 102 days and there is a total of approximately 468 mm rainfall
  • Sun hours: throughout the year there are 3302 sun hours
Maximum temperature: between 30°C and 36°C
Warmest month: 36°C in March
Coldest month: 30°C in August
Night temperature: between 22°C and 26°C
Dry days: 263 days
Days with rain: 102 days
Days with snow: 0 days
Total rain sum: 468 mm
Hours of sunshine: 3302 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Guinea-Bissau.

Precipitation graph

This graph shows the average amount of rainfall per month for Guinea-Bissau.

Climate table of Guinea-Bissau

In this climate table you can see at a glance what the average weather per month is for Guinea-Bissau. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Guinea-Bissau might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 34 35 36 35 34 33 31 30 31 33 34 34
Night temp. (°C) 22 22 23 23 25 26 26 25 25 26 25 23
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 0 0 1 1 8 27 114 171 99 38 8 1
Days with rain - - 1 2 4 8 22 26 20 15 3 1
Dry days 31 28 30 28 27 22 9 5 10 16 27 30
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 10 10 10 10 10 9 7 7 8 9 10 10
Wind force (Bft) 2 2 2 3 3 3 3 2 2 2 2 2
UV-index 7 7 7 7 7 7 7 7 7 7 7 7

Best time to visit Guinea-Bissau

To go to Guinea-Bissau, the best time to visit is in September. In this period you have a warm temperature and little precipitation. In Guinea-Bissau, March is the warmest month with 36°C and the most cold month is 30°C in August.

Climate of Guinea-Bissau by month

What is the average climate in a given month for Guinea-Bissau? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Guinea-Bissau weather experiences

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