Climate averages 1991–2020
Juba weather
in December.
A very hot, very dry month: the 4th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a very hot month in Juba: daytime highs average 34.2°C and nights cool to about 23.0°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 9.2 mm of rain on roughly 2 days, which makes December a very dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 51 min on an average December day.
The nearest other city in this atlas is Yei (131 km away). In December its highs average 31.2°C, 3.1°C cooler than Juba, with 21 mm of rain.
Among the 6 cities listed in South Sudan, Juba ranks 5th of 6 for the warmest December highs and 5th of 6 for the driest December (rainfall, lowest first). The mean December high of those 6 cities is 34.5°C; Juba is 0.3°C cooler than that mean.
From December to January, average highs rise by 1.7°C to 35.9°C, and monthly rainfall falls from 9.2 mm to 3.0 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Yei in DecemberSouth Sudan · 131 kmHigh 31.2°C · Low 20.4°C · 21 mm rain
- Arua in DecemberUganda · 217 kmHigh 28.3°C · Low 18.4°C · 16 mm rain
- Gulu in DecemberUganda · 244 kmHigh 29.9°C · Low 19.3°C · 30 mm rain
- Lira in DecemberUganda · 324 kmHigh 29.5°C · Low 18.6°C · 38 mm rain
- Kotido in DecemberUganda · 351 kmHigh 29.6°C · Low 18.7°C · 13 mm rain
- Masindi in DecemberUganda · 354 kmHigh 28.0°C · Low 18.4°C · 58 mm rain
- Hoima in DecemberUganda · 381 kmHigh 27.3°C · Low 18.2°C · 166 mm rain
- Bunia in DecemberDemocratic Republic of the Congo · 395 kmHigh 26.1°C · Low 17.2°C · 65 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.