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

Climate of Bissau

Bissau has a tropical savanna climate. It is warm every month with both a wet and dry season. The average annual temperature for 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
  • Sea temperature: the sea temperature is between 27°C and 30°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
Sea temperature: between 27°C and 30°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 Bissau.

Precipitation graph

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

Climate table of Bissau

In this climate table you can see at a glance what the average weather per month is for 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 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
Water temp. (°C) 28 27 27 28 29 30 29 29 29 30 30 29
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 Bissau

The best time to visit Bissau in Guinea-Bissau is September. In this period you have a warm temperature and little precipitation. The highest average temperature in Bissau is 36°C in March and the lowest is 30°C in August. The water temperature is 30°C at its highest and in other months it can be 27°C.

Climate of Bissau by month

What is the average climate in a given month for 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.

Bissau weather experiences

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