Climate averages 1991–2020

Bissau weather
in June.

A hot, moderately wet month: the 8th warmest and the 8th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 31.7°C Daytime mean, June
Average low 25.3°C Night-time mean, June
Rainfall 87 mm 12 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Bissau · average highYear overview

June is a hot month in Bissau: daytime highs average 31.7°C and nights cool to about 25.3°C. By daytime temperature it is the 8th warmest of the 12 months.

Expect about 87 mm of rain on roughly 12 days, which makes June a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 48 min on an average June day.

The nearest other city in this atlas is Ziguinchor (107 km away). In June its highs average 33.9°C, 2.2°C warmer than Bissau, with 51 mm of rain.

From June to July, average highs fall by 2.8°C to 28.9°C, and monthly rainfall rises from 87 mm to 352 mm.

The annual picture

June in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 152025303540 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 5000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Bissau climate table

1991–2020
Monthly climate averages for Bissau, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 32.9°C20.5°C20.5°C0.30.111.512 h
February 34.4°C21.2°C21.2°C0.80.111.712 h
March 35.2°C22.4°C22.4°C00.012.112 h
April 34.8°C23.2°C23.2°C00.012.412 h
May 33.8°C24.2°C24.2°C6.11.312.713 h
June, selected 31.7°C25.3°C25.3°C8712.012.813 h
July 28.9°C24.6°C24.6°C35227.812.713 h
August 28.3°C24.3°C24.3°C45229.312.513 h
September 29.1°C24.4°C24.4°C30727.712.212 h
October 30.3°C25.0°C25.0°C14221.911.912 h
November 31.9°C24.3°C24.3°C234.611.612 h
December 32.8°C21.6°C21.6°C1.90.311.411 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

June in nearby cities

Distance from Bissau

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Bissau) is explained once on the Bissau year overview and on the Sources, method and limits page.