Climate averages 1991–2020

Weather in Ghana.

ClimaNote covers 26 cities in Ghana, starting with Kumasi, Accra and Tamale. 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 28.2°C in Sekondi to 34.3°C in Bolgatanga, and yearly rainfall from 611 mm in Ashaiman to 1,890 mm in Hohoe. The hottest city-month is March in Bolgatanga, with an average high of 39.1°C, and the coolest is August in Sekondi, at 25.9°C (tied with August in Amanfrom). By single month, the most rain falls in September in Hohoe, with 282 mm, and the least in December in Bawku, with under 1 mm.

February is the warmest month in 13 cities and March in 11 (in 2 other cities two or more months tie); August is the coolest in 19 cities and July in 3 (in 4 other cities two or more months tie). June is the wettest month in 13 cities, September in 8 and August in 5; January is the driest in 20 cities and December in 5 (in 1 other city two or more months tie). Of these cities, 4 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.