Guinea-Bissau Weather
🇬🇼 1 city covered · Africa
· tropical wet-and-dry climate
Best time to visit
November to January
Weather in Guinea-Bissau at a glance
Our Guinea-Bissau coverage centers on Bissau, which has a tropical wet-and-dry climate. Expect average highs around 88°F (31°C) in June and 83°F (28°C) in August, with about 117 days of measurable precipitation a year.
Quick facts
- Covered city: Bissau - annual average 81°
- Best time to visit: November to January
- Climate type: tropical wet-and-dry
The bigger picture
Bissau averages 9.9 hours of sunshine per day and roughly 1489 mm (58.6 inches) of precipitation annually. The most comfortable window is generally November to January. See the full month-by-month breakdown on the Bissau climate page.
Live weather across Guinea-Bissau today
Guinea-Bissau cities compared
| City | Annual avg | Hottest month | Coldest month | Rainy days/yr | Sun h/day | Snowy days/yr |
|---|---|---|---|---|---|---|
| Bissau | 81° | Jun · 88° | Aug · 76° | 117 | 9.9 | 0 |
Guinea-Bissau weather by month
| Month | Avg high | Avg low | Rainy days | Sunshine |
|---|---|---|---|---|
| January | 91° | 70° | 0 | 10.5 h/day |
| February | 93° | 71° | 0 | 10.8 h/day |
| March | 93° | 73° | 0 | 11.2 h/day |
| April | 91° | 74° | 0 | 11.7 h/day |
| May | 90° | 75° | 1 | 11.2 h/day |
| June | 88° | 78° | 10 | 10.2 h/day |
| July | 83° | 77° | 28 | 7.8 h/day |
| August | 83° | 76° | 29 | 7.5 h/day |
| September | 84° | 76° | 26 | 8.2 h/day |
| October | 87° | 77° | 20 | 9.7 h/day |
| November | 89° | 75° | 4 | 10.4 h/day |
| December | 91° | 71° | 0 | 10.1 h/day |
Guinea-Bissau weather FAQs
When is the best time to visit Guinea-Bissau?
Averaged across the covered cities, November to January offers the most comfortable combination of temperatures, drier days and daylight. Coastal, mountain and desert areas can differ - check each city's climate page for specifics.
Does it snow in Guinea-Bissau?
Snow is essentially absent in the Guinea-Bissau cities we cover - the 2015–2024 record shows no regular measurable snowfall.
What is the climate of Guinea-Bissau like?
The covered cities fall under tropical wet-and-dry climate. That means year-round warmth split between a rainy season and a dry season.