Yambio weather in January

In January, Yambio sees average daytime highs of 34°C and overnight lows near 22°C, with 13 mm of rain across 2.4 wet days and about 11.8 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 33% 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 Yambio's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Yambio's year-round climate.

Daytime high
34°
2nd warmest
Overnight low
22°
9th coldest
Rainfall
13 mm
2.4 wet days
Daylight
11 h 48 min
7:23 AM – 7:09 PM
Cloud cover
55%
2nd clearest
Wind
8 km/h
2nd windiest
Solar energy
6 kWh/m²
Travel score
3.6
out of 10

Yambio is human settlement in South Sudan.

Founded
1800

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 34°C through the month.

A typical January day in Yambio reaches about 34°C in the afternoon and slips back to 22°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, January runs about 2°C warmer than December and on par with February.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13322
23322
33322
43322
53322
63322
73322
83422
93422
103422
113422
123422
133422
143422
153422
163422
173422
183422
193422
203422
213422
223422
233422
243422
253422
263422
273422
283422
293422
303422
313423

How January really feels in Yambio

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.

Yambio weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 22°132.411.83.6
Feb34° / 23°244.811.93.0
Mar33° / 23°10015123.0
Apr30° / 22°18822.512.13.2
May29° / 22°18324.712.23.5
Jun28° / 21°15124.212.33.9
Jul28° / 20°16325.312.24.1
Aug28° / 20°1892612.13.8
Sep29° / 21°19026.1123.5
Oct29° / 21°23627.911.93.3
Nov30° / 21°11917.111.84.1
Dec32° / 21°213.811.74.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 20% of January, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25644
35644
45545
55545
65446
75446
85248
95248
105248
115149
125248
135248
145149
155149
165149
175248
185248
195248
205347
215347
225347
235446
245446
255545
265545
275545
285545
295644
305644
315644

Chance of precipitation in January

Any precipitation

Yambio gets around 13 mm of rain over 2.4 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 8% and peaks near 12% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
54
64
74
85
95
105
115
126
136
146
157
167
178
188
199
2010
2110
2210
2311
2411
2511
2612
2712
2812
2912
3012
3112

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15121199
25320198
35519188
45619187
55718187
65817187
76016177
86016177
96215167
106315157
116315157
126514147
136514147
146514138
156514138
166414139
176414139
1863141310
1962141311
2061141411
2160141412
2259141413
2358141513
2457141514
2557141514
2655141615
2755141615
2855141615
2954141616
3053141716
3153141716

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 7:17 AM to 7:26 AM, and sunset from 7:02 PM to 7:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:177:02
211.77:187:02
311.77:187:03
411.77:197:03
511.77:197:04
611.77:197:04
711.77:207:05
811.77:207:05
911.77:217:06
1011.87:217:06
1111.87:217:06
1211.87:227:07
1311.87:227:07
1411.87:227:08
1511.87:237:08
1611.87:237:09
1711.87:237:09
1811.87:237:09
1911.87:247:10
2011.87:247:10
2111.87:247:11
2211.87:247:11
2311.87:257:11
2411.87:257:12
2511.87:257:12
2611.87:257:12
2711.87:257:13
2811.87:257:13
2911.87:267:13
3011.87:267:13
3111.87:267:14

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6 kWh/m².

For context, solar energy here swings from a low near 5 kWh/m² to a high of 6.1 kWh/m² in February across the year — January's 6 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
116.0Intense
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
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.1Intense
316.1Intense
Planning a trip in January

Is January a good time to visit Yambio?

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

3.6
Sightseeing
6th-best month of the year
7.1
Beach & pool
2nd-best month of the year

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

What to pack for Yambio in January

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

In January, Yambio sees daytime highs around 34°C and nights near 22°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Yambio in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yambio peaks around March 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 22UV 13Dec 16UV 10
UV index (midday)Level
Jan10Extreme
Feb11Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov10Extreme
Dec10Very high

Air quality in Yambio 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 Yambio is worst in January — around 88 µg/m³ PM2.5 (unhealthy), about 11.5× the cleanest month (October, 8 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateGoodModerateGoodModerateJan 1787 µg/m³Oct 108 µg/m³
PM2.5 (µg/m³)Level
Jan88Unhealthy
Feb75Unhealthy
Mar37Poor
Apr14Moderate
May10Good
Jun15Moderate
Jul16Moderate
Aug11Good
Sep9Good
Oct8Good
Nov17Moderate
Dec71Unhealthy
Location & terrain

Where is Yambio?

Yambio sits at 4.6°N, 28.4°E, 655 m above sea level, in South Sudan. The nearest listed city is Bakwa, 121 km away.

BakwaWatsaYeiRumbekTonjKoboko

Topography around Yambio

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

Within 3 km, the terrain around Yambio has only modest variations in elevation — a maximum elevation change of 51 m around an average of 652 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 131 m; within 80 km, significant variations in elevation — a maximum elevation change of 361 m.

The land around Yambio is covered by trees (36%), shrubs (24%) and grassland (21%) within 3 km, trees (45%) and shrubs (44%) within 16 km, and trees (73%) and shrubs (22%) within 80 km.

3 km
51 m
16 km
131 m
80 km
361 m
treesshrubsgrasslandartificial surfaces
January weather nearby: Bakwa 121 km · Watsa 212 km · Isiro 218 km · Yei 259 km · Wamba 273 km · Rumbek 286 km · Tonj 302 km · Koboko 312 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 Yambio (4.5708°, 28.3942°, elevation 655 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).