Climate averages 1991–2020
Juba weather
in May.
A hot, wet month: the joint 6th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Juba: daytime highs average 31.7°C and nights cool to about 23.3°C. By daytime temperature it is the joint 6th warmest of the 12 months.
Expect about 122 mm of rain on roughly 19 days, which makes May a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 20 min on an average May day.
The nearest other city in this atlas is Yei (131 km away). In May its highs average 29.0°C, 2.7°C cooler than Juba, with 155 mm of rain.
Among the 6 cities listed in South Sudan, Juba ranks 5th of 6 for the warmest May highs and 5th of 6 for the driest May (rainfall, lowest first). The mean May high of those 6 cities is 33.5°C; Juba is 1.8°C cooler than that mean.
From May to June, average highs fall by 1.3°C to 30.4°C, and monthly rainfall falls from 122 mm to 111 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Juba climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 35.9°C23.9°C | 23.9°C | 3.0 | 0.9 | 11.912 h |
| February | 37.4°C25.2°C | 25.2°C | 5.8 | 1.4 | 12.012 h |
| March | 36.6°C25.6°C | 25.6°C | 30 | 7.2 | 12.112 h |
| April | 34.0°C24.5°C | 24.5°C | 98 | 15.4 | 12.212 h |
| May, selected | 31.7°C23.3°C | 23.3°C | 122 | 18.6 | 12.312 h |
| June | 30.4°C22.2°C | 22.2°C | 111 | 17.2 | 12.412 h |
| July | 29.6°C21.5°C | 21.5°C | 127 | 19.1 | 12.412 h |
| August | 29.5°C21.4°C | 21.4°C | 135 | 21.0 | 12.312 h |
| September | 30.2°C21.7°C | 21.7°C | 113 | 18.1 | 12.112 h |
| October | 30.3°C21.9°C | 21.9°C | 172 | 20.8 | 12.012 h |
| November | 31.7°C22.3°C | 22.3°C | 72 | 11.6 | 11.912 h |
| December | 34.2°C23.0°C | 23.0°C | 9.2 | 2.2 | 11.812 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Yei in MaySouth Sudan · 131 kmHigh 29.0°C · Low 20.5°C · 155 mm rain
- Arua in MayUganda · 217 kmHigh 27.4°C · Low 18.6°C · 70 mm rain
- Gulu in MayUganda · 244 kmHigh 27.3°C · Low 19.1°C · 184 mm rain
- Lira in MayUganda · 324 kmHigh 27.2°C · Low 18.8°C · 169 mm rain
- Kotido in MayUganda · 351 kmHigh 28.2°C · Low 18.4°C · 86 mm rain
- Masindi in MayUganda · 354 kmHigh 26.7°C · Low 18.6°C · 136 mm rain
- Hoima in MayUganda · 381 kmHigh 26.7°C · Low 18.4°C · 251 mm rain
- Bunia in MayDemocratic Republic of the Congo · 395 kmHigh 26.2°C · Low 18.2°C · 84 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Juba) is explained once on the Juba year overview and on the Sources, method and limits page.