The average annual temperatures for Guinea-Bissau is 29°C/84°F.
Average annual rainfall for Guinea-Bissau is 1,175mm (46 inches).
April is the hottest or warmest month in Guinea-Bissau, with an average maximum temperate of 39°C/102°F.
January is the coolest or coldest month in Guinea-Bissau, with an average minimum temperate of 18°C/64°F.
August is the wettest or most rainy month in Guinea-Bissau, with an average rainfall of 443mm (17 inches).
January is the driest or least rainy month in Guinea-Bissau, with an average rainfall of 0mm (0 inches).