Juba weather in December

In December, Juba sees average daytime highs of 34°C and overnight lows near 23°C, with 9 mm of rain across 2.2 wet days and about 11.7 hours of daylight. It is the 5th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 33°C in the first days to 35°C by the end. The sky is clear or mostly clear about 46% of the time in December, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of December to 11 h 42 min by month's end. Set against the rest of the year, December is Juba's 2nd-clearest and 5th-windiest month. For the whole year in context, see Juba's year-round climate.

Daytime high
34°
5th warmest
Overnight low
23°
7th coldest
Rainfall
9 mm
2.2 wet days
Daylight
11 h 42 min
6:58 AM – 6:41 PM
Cloud cover
48%
2nd clearest
Wind
7 km/h
5th windiest
Solar energy
5.62 kWh/m²
Travel score
3.3
out of 10

Juba is capital of the Republic of South Sudan.

Density
8,654/km²
people per km²
Founded
1922

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 33°C in the first days to 35°C by the end.

A typical December day in Juba reaches about 34°C in the afternoon and slips back to 23°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 37°C. Set against its neighbours, December runs about 2°C warmer than November and about 2°C cooler than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13323
23323
33423
43423
53423
63423
73423
83423
93423
103423
113423
123423
133423
143423
153423
163423
173523
183523
193523
203523
213523
223523
233523
243523
253523
263523
273523
283523
293523
303523
313523

How December really feels in Juba

Once humidity and wind are folded in, December averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Juba weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan36° / 24°4111.82.5
Feb37° / 25°61.411.81.7
Mar37° / 26°307.3121.7
Apr35° / 25°9715.512.12.3
May32° / 24°12218.512.23.0
Jun31° / 23°11117.312.33.6
Jul30° / 22°1271912.33.9
Aug30° / 22°1352112.23.7
Sep31° / 22°11317.9123.7
Oct31° / 22°17220.811.93.4
Nov32° / 23°7211.511.83.7
Dec34° / 23°92.211.73.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56337
66436
76436
86436
96436
106535
116634
126634
136733
146733
156832
166832
176931
186931
196931
206931
216931
226931
236931
246931
256832
266832
276832
286733
296733
306634
316634

Chance of precipitation in December

Any precipitation

Juba gets around 9 mm of rain over 2.2 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 8% and peaks near 18% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
118
217
316
415
514
613
713
812
911
1010
119
129
138
147
156
166
175
185
195
204
214
224
234
243
253
263
273
283
293
303
313

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 28% of days. Sticky, muggy-or-worse air turns up on roughly 22% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
161231465
261332445
371433424
481534404
591535383
6101635363
7111835343
8121935323
9132034303
10152133282
11172233262
12182332252
13202431232
14222530212
15242729191
16262727181
17282826161
18312925151
19332923131
20363022121
21383021110
22403020100
2342301990
2444301880
2546291780
2648291670
2750291570
2852281460
2953281360
3055271260
3157261160

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 42 min at the start of December to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:51 AM to 7:05 AM, and sunset from 6:36 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:516:36
211.76:526:36
311.76:526:36
411.76:536:37
511.76:536:37
611.76:536:37
711.76:546:38
811.76:546:38
911.76:556:38
1011.76:556:39
1111.76:566:39
1211.76:566:40
1311.76:576:40
1411.76:576:41
1511.76:586:41
1611.76:586:41
1711.76:596:42
1811.76:596:42
1911.77:006:43
2011.77:006:43
2111.77:016:44
2211.77:016:44
2311.77:026:45
2411.77:026:45
2511.77:026:46
2611.77:036:46
2711.77:036:47
2811.77:046:47
2911.77:046:48
3011.77:056:48
3111.77:056:49

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.62 kWh/m².

For context, solar energy here swings from a low near 5.26 kWh/m² to a high of 6.18 kWh/m² in February across the year — December's 5.62 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in December

Hazard calendar for Juba

In seasonPeak

None of Juba's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Juba's rainy season runs April–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Juba?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.3
Sightseeing
7th-best month of the year
6.8
Beach & pool
1st-best month of the year

December is a weaker month for outdoor sightseeing in Juba. The water and warmth also suit a beach or pool day.

What to pack for Juba in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Juba sees daytime highs around 34°C and nights near 23°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Juba in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Juba peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 17UV 15Dec 15UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov10Very high
Dec9Very high

Air quality in Juba in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Juba is worst in December — around 90 µg/m³ PM2.5 (unhealthy), about 9.2× the cleanest month (May, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateGoodModerateModerateUnhealthyDec 2490 µg/m³May 1010 µg/m³
PM2.5 (µg/m³)Level
Jan88Unhealthy
Feb32Moderate
Mar17Moderate
Apr11Good
May10Good
Jun17Moderate
Jul19Moderate
Aug14Moderate
Sep13Moderate
Oct11Good
Nov22Moderate
Dec90Unhealthy
Location & terrain

Where is Juba?

Juba sits at 4.9°N, 31.6°E, 518 m above sea level, in South Sudan. The nearest listed city is Torit, 120 km away.

ToritYeiMoyoPajokBorYumbeAdjumaniKoboko

Topography around Juba

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Juba.

Within 3 km, the terrain around Juba has only modest variations in elevation — a maximum elevation change of 109 m around an average of 488 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 289 m; within 80 km, large variations in elevation — a maximum elevation change of 958 m.

The land around Juba is covered by artificial surfaces (86%) within 3 km, grassland (71%) within 16 km, and grassland (74%) within 80 km.

3 km
109 m
16 km
289 m
80 km
958 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetland
December weather nearby: Torit 120 km · Yei 131 km · Moyo 133 km · Pajok 148 km · Bor 151 km · Yumbe 159 km · Adjumani 166 km · Koboko 174 km

South Sudan travel facts

Travel advisory
Level 4
Do Not Travel
Prices
≈ 6% of US
price level, 2021
GDP per capita
$1,080
2015
Happiness
2.8 / 10
World Happiness, 2019
Homicide rate
14
per 100k, 2012
Road deaths
36.7
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Christian 61%folk religion 33%Muslim 6%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Juba (4.8517°, 31.5825°, elevation 518 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).