Juba weather in January

In January, Juba sees average daytime highs of 36°C and overnight lows near 24°C, with 4 mm of rain across 1 wet days and about 11.8 hours of daylight. It is the 3rd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 36°C through the month. The sky is clear or mostly clear about 45% of the time in January, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of January to 11 h 48 min by month's end. Set against the rest of the year, January is Juba's 1st-clearest and 1st-windiest month. For the whole year in context, see Juba's year-round climate.

Daytime high
36°
3rd warmest
Overnight low
24°
9th coldest
Rainfall
4 mm
1 wet days
Daylight
11 h 42 min
7:11 AM – 6:55 PM
Cloud cover
47%
1st clearest
Wind
8 km/h
1st windiest
Solar energy
6.01 kWh/m²
Travel score
2.5
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 36°C through the month.

A typical January day in Juba reaches about 36°C in the afternoon and slips back to 24°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 38°C. Set against its neighbours, January runs about 2°C warmer than December and about 1°C cooler than February.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13523
23523
33523
43623
53623
63623
73623
83623
93623
103623
113623
123624
133624
143624
153624
163624
173624
183624
193624
203624
213624
223624
233624
243624
253624
263624
273624
283724
293724
303724
313724

How January really feels in Juba

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Juba weather by month

How January compares with the rest of the year at a glance. January is the 3rd-warmest and 12th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of January, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26535
36535
46535
56535
66535
76535
86535
96535
106535
116535
126436
136436
146436
156436
166535
176535
186535
196634
206634
216634
226634
236634
246634
256634
266634
276634
286733
296733
306733
316733

Chance of precipitation in January

Any precipitation

Juba gets around 4 mm of rain over 1 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 3% and peaks near 3% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
43
53
63
73
83
93
103
113
123
133
143
153
163
173
183
193
203
213
223
233
243
253
263
273
283
293
303
313

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 66% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15925106
2602596
3612496
4622396
5642286
6652285
7662185
8662185
9672085
10662095
11681994
12681994
13681994
146818104
156818104
166718114
176818113
186719113
196619123
206619123
216619123
226619123
236618133
246618133
256717133
266717133
276717133
286816133
296816133
306915133
316915133

Wind in January

Winds average 8 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 42 min at the start of January to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over January. Sunrise moves from 7:05 AM to 7:13 AM, and sunset from 6:49 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:056:49
211.77:066:49
311.77:066:49
411.77:066:50
511.77:076:50
611.77:076:51
711.77:086:51
811.77:086:52
911.77:086:52
1011.77:096:53
1111.77:096:53
1211.77:096:54
1311.77:106:54
1411.77:106:55
1511.77:106:55
1611.77:116:55
1711.77:116:56
1811.87:116:56
1911.87:116:57
2011.87:126:57
2111.87:126:57
2211.87:126:58
2311.87:126:58
2411.87:126:58
2511.87:136:59
2611.87:136:59
2711.87:136:59
2811.87:137:00
2911.87:137:00
3011.87:137:00
3111.87:137:01

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.01 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 — January's 6.01 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
116.0Bright
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in January

Hazard calendar for Juba

In seasonPeak

None of Juba's seasonal hazards are active in January. 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 January a good time to visit Juba?

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

2.5
Sightseeing
9th-best month of the year
6.0
Beach & pool
3rd-best month of the year

January is a weaker month for outdoor sightseeing in Juba.

What to pack for Juba in January

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

In January, Juba sees daytime highs around 36°C and nights near 24°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Juba in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 11 (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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).