Planning for the weather is a good way to make your trip to Juba relaxing and enjoyable, especially when you're splurging. The hottest months are usually July and August, with an average temperature of 16°C, while the coldest months are January and February, with an average of -3°C. The snowiest months in Juba are November, December, February and April, with each month seeing an average of 22 cm of snowfall.