Weather in Douala

Douala is in Cameroon at 4.0°N. The 2001–2020 NASA POWER daily record describes a monsoon climate with a sharp wet-dry split. Rain is the monsoon runs from March to November, inside an annual total of 2452 mm. The wettest month is August at 395 mm; the driest is December at 28 mm.

February is the warmest month (average 27.7°C, high 31.5°C) and August is the coolest (average 25.2°C, low 22.3°C). From the coolest night in August (22.3°C) to the hottest afternoon in February (31.5°C), the raw range is 9.2°C. On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are January, August, and December.

When Douala gets wet

The monsoon in Douala starts in March and ends in November (March, April, May, June, July, August, September, October, and November). August is the core of it at 395 mm. December is the other extreme, with 28 mm.

Humidity peaks near 91%. That usually lines up with the wetter months rather than the hottest ones.

How warm Douala gets

The heat peaks in February, when the typical afternoon is 31.5°C. The opposite pole is August, when mornings average 22.3°C.

Across the year the mean afternoon high is 29.9°C. If you want the smallest day–night shock, look at months where the high and low sit close together; February nights still hold 23.9°C.

The calendar in Douala

February is the warmest month. Afternoon highs average 31.5°C and nights settle near 23.9°C, with 69 mm of rain. The monsoon opens in March. Expect 153 mm and 25 rainy days, with nights around 24.3°C. In June, Douala averages 29.0°C by day and 23.3°C at night, with 273 mm of rain. July: 28.3°C high, 22.5°C low, 328 mm rain, 90% humidity.

The year bottoms out in August. Plan for 22.3°C at night and 28.0°C in the afternoon. October: 29.2°C high, 23.3°C low, 268 mm rain, 90% humidity. November closes the monsoon: 159 mm over 23 rainy days, then the calendar dries. December is the driest month, averaging only 28 mm across 8 rainy days. Highs sit near 31.1°C.

When the score favours a visit

The three months with the highest comfort score are January, August, and December: January (27.1°C average, 30 mm, 81% humidity); August (25.2°C average, 395 mm, 91% humidity); December (27.1°C average, 28 mm, 83% humidity). Those months sit across the year end, so they are listed in season order rather than January-to-December. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you want the monsoon itself — fewer crowds, greener landscape, heavier rain — aim at March–November instead of the score.

Douala and other cities in Cameroon

Yaoundé is about 202 km away: Douala is 2.2°C warmer than Yaoundé in its hottest month and 979 mm wetter over the year than Yaoundé. Yaoundé’s wettest month is October (231 mm) versus August here.