Weather in N'Djamena

May is the warmest month (average 34.5°C, high 41.3°C) and January is the coolest (average 25.0°C, low 15.7°C). That 9.5°C swing in monthly averages is the first thing to plan around in N'Djamena.

Rain is rainy season runs from June to September, inside an annual total of 529 mm. The wettest month is August at 192 mm; the driest is January at 0 mm. N'Djamena is in Chad at 12.1°N. The 2001–2020 NASA POWER daily record describes a mild oceanic climate. On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are November, December, and January.

Best months to visit N'Djamena

The three months with the highest comfort score are November, December, and January: November (28.2°C average, 0 mm, 26% humidity); December (25.8°C average, 0 mm, 19% humidity); January (25.0°C average, 0 mm, 17% 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 rainy season itself — fewer crowds, greener landscape, heavier rain — aim at June–September instead of the score.

How warm N'Djamena gets

Monthly average highs run from 34.4°C in January to 41.3°C in May. Nights follow the same curve: 15.7°C in January and 27.6°C in May.

Mean high across all twelve months is 36.9°C and mean low is 22.2°C. These are 20-year grid averages, so a city station can read a few degrees warmer or cooler.

Rainfall pattern

The rainy season in N'Djamena starts in June and ends in September (June, July, August, and September). August is the core of it at 192 mm. January is the other extreme, with 0 mm.

A rainy day here is a day with at least 1 mm in the NASA POWER series. August averages 28 such days; January averages 0.

What stands out month by month

January is the coolest month, with lows around 15.7°C and highs near 34.4°C. Rainfall is 0 mm. May is the warmest month. Afternoon highs average 41.3°C and nights settle near 27.6°C, with 23 mm of rain. July stands apart from the months beside it: 34.9°C / 24.2°C and 133 mm.

August is the wettest month — 192 mm and 28 rainy days, with 77% humidity. September closes the rainy season: 92 mm over 19 rainy days, then the calendar dries. In October, N'Djamena averages 36.4°C by day and 22.3°C at night, with 24 mm of rain.

How N'Djamena compares inside Chad

N'Djamena is the only Chad city in this dataset, so the figures on this page are the national sample we publish. They still come from the same NASA POWER daily series (2001–2020) used everywhere else on the site.