Climate averages 1991–2020

Weather in Benin.

ClimaNote covers 8 cities in Benin, starting with Cotonou, Porto-Novo and Parakou. 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 28.4°C in Cotonou to 32.8°C in Parakou, and yearly rainfall from 1,058 mm in Bohicon (tied with Abomey) to 1,388 mm in Djougou. The hottest city-month is March in Parakou, with an average high of 37.0°C, and the coolest is August in Cotonou, at 26.1°C. By single month, the most rain falls in August in Djougou, with 309 mm, and the least in December in Djougou, with 1.0 mm.

March is the warmest month in 5 cities and February in 3; August is the coolest in every city. June is the wettest month in 4 cities, August in 2 and September in 2; January is the driest in 4 cities and December in 4. Of these cities, 1 has a month with more than 300 mm of rain; none has a month with an average high below 2.0°C or a month with under 1 mm of rain.