Climate averages 1991–2020

Weather in Republic of the Congo.

ClimaNote covers 4 cities in the Republic of the Congo, starting with Brazzaville, Pointe-Noire and Dolisie. Open a city for charts and a table of all 12 months.

Across these cities the yearly average high ranges from 27.4°C in Pointe-Noire to 30.0°C in Nkayi, and yearly rainfall from 938 mm in Pointe-Noire to 1,507 mm in Dolisie. The hottest city-month is September in Brazzaville, with an average high of 31.2°C, and the coolest is July in Pointe-Noire, at 25.0°C. By single month, the most rain falls in December in Dolisie, with 258 mm, and the least in July in Brazzaville, with under 1 mm.

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