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Yei Weather by Month
Average temperatures, rainfall and humidity for Yei, South Sudan, month by month, built from OpenWeather's historical records. Use it to see what a typical Yei month looks like before you travel — then check the live Yei forecast for the days ahead.
Warmest month
February
37°C average high
Coolest month
August
20°C average low
Wettest month
April
154 mm of rain
Driest month
February
16 mm of rain
Average temperature and rainfall in Yei by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 36°C | 22°C | 13°C / 43°C | 18 mm | 35% | 9 km/h |
| February | 37°C | 24°C | 16°C / 43°C | 16 mm | 34% | 9 km/h |
| March | 37°C | 24°C | 18°C / 45°C | 71 mm | 46% | 9 km/h |
| April | 35°C | 23°C | 19°C / 41°C | 154 mm | 62% | 9 km/h |
| May | 33°C | 22°C | 18°C / 40°C | 104 mm | 71% | 8 km/h |
| June | 32°C | 20°C | 17°C / 39°C | 95 mm | 74% | 7 km/h |
| July | 31°C | 20°C | 17°C / 38°C | 131 mm | 79% | 6 km/h |
| August | 31°C | 20°C | 18°C / 40°C | 120 mm | 80% | 6 km/h |
| September | 31°C | 20°C | 18°C / 38°C | 112 mm | 78% | 6 km/h |
| October | 32°C | 21°C | 19°C / 38°C | 102 mm | 75% | 6 km/h |
| November | 33°C | 22°C | 17°C / 39°C | 73 mm | 64% | 7 km/h |
| December | 34°C | 23°C | 16°C / 41°C | 27 mm | 45% | 9 km/h |
Best time to visit Yei
The most comfortable time to visit Yei is generally August and November to December, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around April, totalling about 1023 mm a year.
Travellers who prefer heat should aim for February, when highs average 37°C. April is the month to avoid if rain would spoil your plans — it averages 154 mm, roughly 9× the rainfall of February.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Yei forecast for what is happening now.