- Check out latest hotel deals worldwide with Booking.com
- Find trending hotels, popular destinations & more
- Search for specific destinations & dates or by hotel type
Guinea-Bissau weather
Read our complete guide to the weather in Guinea-Bissau.
-
Usually
in May
-
Now
Today
Below are the temperatures expected today at popular destinations in Guinea-Bissau. Select a destination to compare today's forecast with average weather conditions.
Recommended for Guinea-Bissau
The weather guide for Guinea-Bissau (Bissau) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
When is the best time to go to Guinea-Bissau?
The best time to go to Guinea-Bissau (Bissau) is July and September based on the following average weather conditions.
Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]
Change the criteria to reflect your weather preferences.
Max Day Temperature (°C)
- Jan
33
- Feb
35
- Mar
35
- Apr
35
- May
35
- Jun
33
- Jul
30
- Aug
30
- Sep
30
- Oct
32
- Nov
33
- Dec
32
Best time to go for the weather
Metric (°C / mm) | Imperial (°F / inches)
Guinea-Bissau weather overview
The tiny country of Guinea-Bissau borders Guinea to the south and shares its tropical climate. It has a very heavy rainy season from May to November when conditions are made unpleasant by high humidity. Things look up between December and April when Harmattan desert winds bring dryer air to the interior and trade winds perk up the coast. Dry season temperatures get higher the further you go inland but tend to plummet at night.
What to pack for Guinea-Bissau weather
Take light clothing and good waterproofs for the rains and warmer attire for dry season nights inland.
Which is the hottest month in Guinea-Bissau?
The hottest time of year in Bissau, Guinea-Bissau is normally October. Expect maximum daytime temperatures to reach 32°C with very high heat and humidity.
Which month has the most rain in Guinea-Bissau?
In terms of rainfall, August is usually the wettest month in Bissau, Guinea-Bissau with 544mm on average. There are normally 22 days in August with some rain.
When is it sunniest in Guinea-Bissau?
The sunniest time of year in Bissau, Guinea-Bissau is normally March with bright sunshine on average for 72% of daylight hours; that's 9 hours of sunshine per day.
When is the sea warmest in Guinea-Bissau?
The sea is usually at its warmest in Bissau, Guinea-Bissau in November when the water temperature reaches 29°C.
Compare Guinea-Bissau weather with the USA
Below the Guinea-Bissau weather chart shows average maximum daytime temperature for Guinea-Bissau (Bissau) and the USA (Washington).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more Guinea-Bissau weather >>
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- British Airways
- easyJet holidays
- Love Holidays