Climate averages 1991–2020
Juba weather
in January.
A very hot, very dry month: the 3rd warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a very hot month in Juba: daytime highs average 35.9°C and nights cool to about 23.9°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 3.0 mm of rain on fewer than one day, which makes January a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 52 min on an average January day.
The nearest other city in this atlas is Yei (131 km away). In January its highs average 33.3°C, 2.6°C cooler than Juba, with 9.5 mm of rain.
Among the 6 cities listed in South Sudan, Juba ranks 1st of 6 for the warmest January highs and 5th of 6 for the driest January (rainfall, lowest first). The mean January high of those 6 cities is 35.3°C; Juba is 0.6°C warmer than that mean.
From January to February, average highs rise by 1.4°C to 37.4°C, and monthly rainfall rises from 3.0 mm to 5.8 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Yei in JanuarySouth Sudan · 131 kmHigh 33.3°C · Low 21.6°C · 9.5 mm rain
- Arua in JanuaryUganda · 217 kmHigh 30.2°C · Low 19.4°C · 9.7 mm rain
- Gulu in JanuaryUganda · 244 kmHigh 31.7°C · Low 20.5°C · 18 mm rain
- Lira in JanuaryUganda · 324 kmHigh 31.1°C · Low 19.6°C · 22 mm rain
- Kotido in JanuaryUganda · 351 kmHigh 31.0°C · Low 19.1°C · 8.3 mm rain
- Masindi in JanuaryUganda · 354 kmHigh 29.6°C · Low 19.2°C · 31 mm rain
- Hoima in JanuaryUganda · 381 kmHigh 28.7°C · Low 18.8°C · 66 mm rain
- Bunia in JanuaryDemocratic Republic of the Congo · 395 kmHigh 27.4°C · Low 17.5°C · 34 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.