Climate averages 1991–2020

Weather in Guinea.

ClimaNote covers 13 cities in Guinea, starting with Conakry, Nzérékoré and Kankan. Open a city for charts and a table of all 12 months, or open a month for a side-by-side comparison of cities in the atlas.

Across these cities the yearly average high ranges from 28.7°C in Conakry to 32.9°C in Siguiri, and yearly rainfall from 1,103 mm in Siguiri to 2,926 mm in Conakry. The hottest city-month is April in Siguiri, with an average high of 38.1°C, and the coolest is August in Labé, at 24.8°C. By single month, the most rain falls in August in Conakry, with 864 mm, and the least in December in Siguiri, with under 1 mm.

March is the warmest month in 7 cities, February in 3 and April in 2 (in 1 other city two or more months tie); August is the coolest in every city. August is the wettest month in 10 cities and September in 3; December is the driest in 6 cities, February in 3, March in 2 and January in 1 (in 1 other city two or more months tie). Of these cities, 4 have a month with under 1 mm of rain and 9 have a month with more than 300 mm of rain; none has a month with an average high below 2.0°C.