Climate Insights for Yei

The climate in Yei is hot. The average annual temperature is 25°C and approximately 1147mm of precipitation falls per year. October is the wettest month, receiving around 188mm of rainfall. Yei sits near the equator, so seasonal temperature differences are minimal throughout the year.

Yei sees moderate temperature variation throughout the year, ranging from 20°C to 35°C. The warmest month is February, when average highs reach 35°C and the mean temperature sits around 29°C. August is the coolest month, with minimum temperatures around 20°C and an average of 23°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.

Yei is a moderately rainy area, receiving approximately 1147mm of precipitation annually, which averages out to around 96mm per month. The wettest month is October, averaging 188mm of rainfall. September and August also tend to see above-average precipitation. The driest month is January, with just 4mm. That's 184mm less than October, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Yei is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 12km/h in winter, 12km/h in spring, 9km/h in summer, 9km/h in autumn.

It is currently spring in Yei, which began on March 20, 2026. Yei sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 35°C, while the coldest stretch bottoms out in August near 20°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Yei is during November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 85mm per month. By contrast, February can be uncomfortably hot with highs reaching 35°C, while August is the coldest period with lows dropping to 20°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Yei based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.