Best Time to Visit Guinea-Bissau
Guinea-Bissau is at its sunniest and driest in January–December.
The best time to visit Guinea-Bissau for sunny, dry weather is November–May — 7 months of the year match our sunny profiles at a country-wide average. The drier half of the year covers November–May, while the wetter half runs through June–October. Country-wide monthly temperatures range from 25.5°C / 77.9°F in January to 28°C / 82.4°F in April, and monthly rainfall from 0 mm / 0 in (January) to 500 mm / 19.7 in (August). Guinea-Bissau's climate is broadly tropical. These are national area-weighted averages from long-term climate normals — regional variation within Guinea-Bissau can be substantial, especially for large or geographically diverse countries. Below, every month is classified against our five weather profiles so you can match your travel window to your preferred weather.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| January | 25.5°C77.9°F | 0 mm0″ | Sunny & Hot, Sunny & Warm |
| February | 26.5°C79.7°F | 0 mm0″ | Sunny & Hot |
| March | 27.5°C81.5°F | 0 mm0″ | Sunny & Hot |
| April | 28°C82.4°F | 0 mm0″ | Sunny & Hot |
| May | 28°C82.4°F | 25 mm1″ | Sunny & Hot |
| November | 27°C80.6°F | 25 mm1″ | Sunny & Hot |
| December | 25.5°C77.9°F | 0 mm0″ | Sunny & Hot, Sunny & Warm |
Frequently asked questions
When is the best time to visit Guinea-Bissau?
The best time to visit Guinea-Bissau for sunny, dry weather is January, February, March, April, May, November, December. The warmest month is April (28°C / 82.4°F country-wide average) and the driest is January (about 0 mm / 0 in). These months combine warmth with low rainfall based on long-term climate normals.
When is the rainy season in Guinea-Bissau?
The rainy season in Guinea-Bissau runs through June–October, when monthly rainfall exceeds the national annual median of about 25 mm / 1 in. The wettest single month is August, averaging 500 mm / 19.7 in.
What is the dry season in Guinea-Bissau?
The drier half of the year in Guinea-Bissau covers November–May, when monthly rainfall stays at or below the annual median of about 25 mm / 1 in. The driest single month is January with about 0 mm / 0 in.
What months should I avoid visiting Guinea-Bissau?
The least comfortable months for travel in Guinea-Bissau — based on our climate data — are January, July, August, September, December. These are Guinea-Bissau's wettest or coolest months. Rainfall peaks at 500 mm / 19.7 in in August, and temperatures bottom out at 25.5°C / 77.9°F in January.
Is there a shoulder season in Guinea-Bissau?
Guinea-Bissau doesn't have a distinct shoulder season by our heuristics — its climate is either sunny-and-dry or clearly outside those bounds most of the year. Consider the January window (driest) or April window (warmest) as alternatives to peak season.