Climate averages 1991–2020

Weather in South Sudan.

ClimaNote covers 6 cities in South Sudan, starting with Juba, Winejok and Yei. 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 29.9°C in Yei to 34.4°C in Winejok, and yearly rainfall from 811 mm in Winejok to 1,465 mm in Yei. The hottest city-month is March in Malakal, with an average high of 39.3°C, and the coolest is July in Yei, at 27.3°C. By single month, the most rain falls in October in Yei, with 225 mm, and the least in February in Malakal, with under 1 mm.

March is the warmest month in 4 cities and February in 2; August is the coolest in 5 cities and July in 1. August is the wettest month in 4 cities and October in 2; January is the driest in 5 cities and February in 1. 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.