Bissau Temperature by Month
Bissau, Nara, Mali has a consistently very warm climate year-round, with daytime highs averaging 33°C (91°F). Below you'll find a full monthly breakdown and a comparison with cities worldwide.
Bissau Monthly Temperatures
The temperature in Bissau changes very little across the seasons, maintaining a similar climate throughout the year. Maximum daytime temperatures range from a very warm 30°C (86°F) in January to a very hot 35°C (95°F) in March. Nighttime lows range from 23°C (73°F) in March to 21°C (70°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Bissau by month:
The coldest point of the day usually falls between 4 AM and 6 AM, with temperatures peaking around 3 PM. March, the city's warmest month, gets 300 hours of sunshine.
The chart below shows the average temperature throughout the year:
Historical Bissau Temperatures: 1976-2026
Browse day-by-day temperature records for Bissau spanning 51 years. Select any month and year to see actual high and low temperatures recorded on each day.
Temperature: Bissau vs Mali
The map below shows the annual temperature across Mali. You can also select individual months if you want to compare a specific time of year.
very warm
warm
pleasant
moderate
cold
very cold
Bissau vs World: Temperature Compared
Bissau's average annual maximum temperature is 33°C (91°F). To put that in context, here's how it compares to a few well-known destinations:
Lisbon, Portugal averages 21°C (70°F) annually — warm summers, mild winters, and rain mainly in the cooler months.
Interlaken, Switzerland averages 8°C (46°F) a year, with cold winters and cool summers thanks to its Alpine setting.
Beijing, China averages 20°C (68°F) annually, but with big seasonal swings — very cold winters and hot summers.
Brisbane, Australia averages 26°C (79°F) a year, with warm winters and hot, humid summers.
What Does the Temperature Feel Like in Bissau?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In Bissau, January is the coolest month, with average highs of 33°C (91°F) and humidity around 43% — considered moderate. In March, the warmest month, temperatures average 35°C (95°F) with 52% humidity — conditions that feel moderate. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Global average temperatures have risen by around 1.2°C since the pre-industrial era, and the effects are visible across many regions. Winters are milder on average, with fewer frost days and less snow in many parts of the world. Heatwaves are more frequent and more intense, and Europe's summers of 2018, 2019, and 2020 all set records.
Summers are also getting drier in some areas, while winter rainfall has increased in others. This contributies to higher river levels and more flooding. In many countries, spring arrives earlier and autumn lasts longer. It has knock-on effects for wildlife, agriculture, and local ecosystems.
For more on Bissau's weather — including monthly rainfall, sunshine hours, and humidity — visit our Bissau climate page.
