When is the best time to visit Guinea-Bissau?

The best time to visit depends on where you go. Bafata: December & January; Bijagos: January & March; Bissau: December & January.

Which month is best overall in Guinea-Bissau?

Averaged across our 3 destinations in Guinea-Bissau, the strongest months are December, January, April. Individual places can shift a month or two earlier or later — each destination page lists its own peak.

Which cities in Guinea-Bissau does bestime.to cover?

We currently score 3 destinations in Guinea-Bissau: Bafata, Bijagos, Bissau.

How are the Guinea-Bissau travel scores calculated?

Every city is rated 0-10 per month using ERA5 climate normals - temperature, precipitation, humidity, daylight, and days with 6+ hours of sunshine.

Best Time to Visit Guinea-Bissau: Weather by Month

01 · Guinea-Bissau

About Guinea-Bissau

Guinea-Bissau is a small West African country of mangrove creeks, rice fields and coastal islands, with forest and savanna inland. The Bijagos archipelago is a biosphere reserve known for its islands and wildlife, while Bissau and the Cacheu region hold colonial-era remains and quiet rivers. Aim for the dry months from November to April, when roads and rivers are manageable; the rains arrive in May and linger into October.

Did you know?

Guinea-Bissau's Bijagós archipelago is a UNESCO biosphere reserve of 88 islands.
Its mangroves and channels are home to saltwater hippos, seen on boat trips from Bubaque.
Cashew nuts dominate the economy, and the harvest season shapes the calendar.

Weather

Guinea-Bissau: weather by month

Warmest month: May (28°C). Wettest: August (477 mm). Best overall score: December (8.4/10).

Month	Avg temp	Rain	Sunny days	Score
January	27°C	0 mm	31	8.2/10
February	28°C	0 mm	28	7.9/10
March	28°C	0 mm	31	8.0/10
April	28°C	0 mm	30	8.1/10
May	28°C	6 mm	30	7.9/10
June	28°C	81 mm	28	5.8/10
July	26°C	379 mm	22	3.4/10
August	26°C	477 mm	20	3.4/10
September	26°C	330 mm	23	3.4/10
October	27°C	152 mm	28	3.9/10
November	28°C	8 mm	28	7.8/10
December	26°C	2 mm	30	8.4/10

Travel Tips

01Best time & timing: Climate scores swing from 3.4/10 in September to 8.4/10 in December; the safest picks are December, January, April.
02Weather & what to pack: Expect around 26°C and 2 mm of rain in December, with roughly 30 bright days. Pack the lightest clothing you own, a hat and more water than feels necessary.
03Crowds & value: Peak-season pricing concentrates in December. For better value, May scores 7.9/10 at lower-season rates.

Things to do in Guinea-Bissau

Guinea-Bissau. Live activities and tours from GetYourGuide, matched to this destination.

FAQ

Frequently asked

When is the best time to visit Guinea-Bissau?: The best time to visit depends on where you go. Bafata: December & January; Bijagos: January & March; Bissau: December & January.
Which month is best overall in Guinea-Bissau?: Averaged across our 3 destinations in Guinea-Bissau, the strongest months are December, January, April. Individual places can shift a month or two earlier or later — each destination page lists its own peak.
Which cities in Guinea-Bissau does bestime.to cover?: We currently score 3 destinations in Guinea-Bissau: Bafata, Bijagos, Bissau.
How are the Guinea-Bissau travel scores calculated?: Every city is rated 0-10 per month using ERA5 climate normals - temperature, precipitation, humidity, daylight, and days with 6+ hours of sunshine.

Climate data: Open-Meteo ERA5 historical archive, the five most recent complete years (2021–2025). Scores are monthly averages for that window, not forecasts, and short-window precipitation can differ from longer-term normals. “Sunny days” count days with at least 6 hours of measured sunshine — they are not dry days.

Curated in Guinea-Bissau