Rumbek weather in January

In January, Rumbek sees average daytime highs of 36°C and overnight lows near 24°C, with 3 mm of rain across 0.4 wet days and about 11.6 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 48% of the time in January, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of January to 11 h 42 min by month's end. Set against the rest of the year, January is Rumbek's 2nd-clearest and 1st-windiest month. For the whole year in context, see Rumbek's year-round climate.

Daytime high
36°
3rd warmest
Overnight low
24°
8th coldest
Rainfall
3 mm
0.4 wet days
Daylight
11 h 36 min
7:21 AM – 7:00 PM
Cloud cover
44%
2nd clearest
Wind
10 km/h
1st windiest
Solar energy
6.11 kWh/m²
Travel score
2.7
out of 10

Rumbek is human settlement.

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 Rumbek 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 39°C. Set against its neighbours, January runs about 1°C warmer than December and about 2°C cooler than February.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13523
23523
33523
43523
53523
63523
73523
83523
93523
103523
113523
123523
133523
143523
153623
163623
173624
183624
193624
203624
213624
223624
233624
243624
253624
263624
273624
283624
293724
303724
313724

How January really feels in Rumbek

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.

Rumbek 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°30.411.62.7
Feb37° / 25°4111.81.7
Mar38° / 26°245.1121.4
Apr36° / 26°7713.712.11.9
May33° / 24°13620.712.32.6
Jun31° / 23°13220.612.43.2
Jul30° / 22°16723.112.43.4
Aug30° / 22°17424.112.23.3
Sep31° / 22°15021.9123.3
Oct31° / 23°13121.111.83.2
Nov33° / 23°338.411.73.6
Dec35° / 23°4111.63.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 19% of January, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26832
36832
46733
56733
66634
76634
86535
96436
106436
116337
126436
136436
146436
156436
166436
176535
186535
196634
206634
216733
226832
236832
246832
256931
266931
277030
287030
297030
307129
317129

Chance of precipitation in January

Any precipitation

Rumbek gets around 3 mm of rain over 0.4 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
212
222
232
242
252
262
272
282
292
302
312

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1801442
2811342
3821332
4841231
5841231
6851131
7851131
8861031
9861031
1087931
1187931
1288831
1388831
1488831
1588831
1689731
1788741
1886842
1986842
2086842
2186842
2286842
2386842
2486842
2586842
2686842
2786842
2886842
2986842
3087832
3187832

Wind in January

Winds average 10 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 36 min at the start of January to 11 h 42 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 7:16 AM to 7:24 AM, and sunset from 6:53 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:166:53
211.67:176:53
311.67:176:54
411.67:176:54
511.67:186:55
611.67:186:55
711.67:186:56
811.67:196:56
911.67:196:57
1011.67:196:57
1111.67:206:58
1211.67:206:58
1311.67:206:59
1411.67:216:59
1511.67:216:59
1611.67:217:00
1711.67:217:00
1811.77:227:01
1911.77:227:01
2011.77:227:02
2111.77:227:02
2211.77:237:02
2311.77:237:03
2411.77:237:03
2511.77:237:04
2611.77:237:04
2711.77:237:04
2811.77:237:05
2911.77:237:05
3011.77:247:05
3111.77:247:06

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.11 kWh/m².

For context, solar energy here swings from a low near 5.08 kWh/m² to a high of 6.35 kWh/m² in February across the year — January's 6.11 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
36.0Bright
46.0Bright
56.0Bright
66.0Intense
76.0Intense
86.0Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.3Intense
Planning a trip in January

Hazard calendar for Rumbek

In seasonPeak

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

Rumbek's rainy season runs May–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 Rumbek?

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

2.7
Sightseeing
8th-best month of the year
6.2
Beach & pool
3rd-best month of the year

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

What to pack for Rumbek in January

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

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

light clothessun protection

UV index in Rumbek 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 Rumbek peaks around March 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 20UV 14Dec 14UV 9
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar14Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct13Extreme
Nov10Very high
Dec9Very high

Air quality in Rumbek 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 Rumbek is worst in January — around 81 µg/m³ PM2.5 (unhealthy), about 7.2× the cleanest month (September, 11 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateGoodModerateUnhealthyJan 1281 µg/m³Sep 1311 µg/m³
PM2.5 (µg/m³)Level
Jan81Unhealthy
Feb77Unhealthy
Mar51Poor
Apr25Moderate
May12Good
Jun16Moderate
Jul16Moderate
Aug12Good
Sep11Good
Oct13Moderate
Nov37Poor
Dec80Unhealthy
Location & terrain

Where is Rumbek?

Rumbek sits at 6.8°N, 29.7°E, 428 m above sea level, in South Sudan. The nearest listed city is Tonj, 122 km away.

TonjLeerWauBorKuacjokGogrialYambioJuba

Topography around Rumbek

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

Within 3 km, the terrain around Rumbek has only modest variations in elevation — a maximum elevation change of 10 m around an average of 422 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 47 m; within 80 km, only modest variations in elevation — a maximum elevation change of 160 m.

The land around Rumbek is covered by grassland (72%) and artificial surfaces (20%) within 3 km, grassland (67%) and shrubs (26%) within 16 km, and grassland (63%) and shrubs (22%) within 80 km.

3 km
10 m
16 km
47 m
80 km
160 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwetland
January weather nearby: Tonj 122 km · Leer 174 km · Wau 211 km · Bor 218 km · Kuacjok 250 km · Gogrial 259 km · Yambio 286 km · Juba 303 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 Rumbek (6.8062°, 29.6774°, elevation 428 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).