Yei weather in July

In July, Yei sees average daytime highs of 27°C and overnight lows near 19°C, with 183 mm of rain across 24.6 wet days and about 12.2 hours of daylight. It is the 12th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 9% of the time in July, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of July to 12 h 12 min by month's end. Set against the rest of the year, July is Yei's 8th-clearest and 12th-windiest month. For the whole year in context, see Yei's year-round climate.

Daytime high
27°
12th warmest
Overnight low
19°
2nd coldest
Rainfall
183 mm
24.6 wet days
Daylight
12 h 12 min
6:56 AM – 7:09 PM
Cloud cover
69%
8th clearest
Wind
5 km/h
12th windiest
Solar energy
5 kWh/m²
Travel score
4.3
out of 10

Yei is City in South Sudan.

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical July day in Yei reaches about 27°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, July runs on par with June and on par with August.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12819
22719
32719
42719
52719
62719
72719
82719
92719
102719
112719
122719
132719
142719
152719
162719
172719
182719
192719
202719
212719
222719
232719
242719
252719
262719
272719
282719
292719
302719
312719

How July really feels in Yei

Once humidity and wind are folded in, July averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Yei weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 21°10211.84.5
Feb34° / 22°153.511.93.7
Mar33° / 22°6712.1123.4
Apr30° / 21°14619.712.13.5
May29° / 20°15521.612.24.0
Jun28° / 19°14321.812.24.4
Jul27° / 19°18324.612.24.3
Aug27° / 19°19926.912.14.0
Sep28° / 19°17824.4124.1
Oct28° / 19°22525.911.93.8
Nov29° / 20°1231611.84.6
Dec31° / 20°21411.85.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 26% of July, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33862
43961
53961
63961
73961
83961
93961
103961
113961
123961
133862
143862
153763
163664
173664
183565
193466
203466
213268
223268
233070
242971
252971
262872
272872
282872
292872
302971
312872

Chance of precipitation in July

Any precipitation

Yei gets around 183 mm of rain over 24.6 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 80% and peaks near 87% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
176
276
376
476
576
676
776
876
976
1076
1176
1277
1377
1478
1578
1679
1779
1880
1980
2081
2181
2282
2382
2483
2584
2684
2785
2886
2986
3087
3187

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 90% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)
1892
2991
3991
4991
51090
61090
71090
81189
91189
101189
111288
121288
131288
141288
151288
161288
171288
181288
191288
201189
211189
221189
231189
241090
251090
26991
27991
28892
29793
30793
31694

Wind in July

Winds average 5 km/h in July, the calmest month.

Across July, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 12 h 12 min at the start of July to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over July. Sunrise moves from 6:54 AM to 6:58 AM, and sunset from 7:08 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:547:08
212.26:547:08
312.26:547:08
412.26:547:08
512.26:547:08
612.26:557:08
712.26:557:09
812.26:557:09
912.26:557:09
1012.26:557:09
1112.26:567:09
1212.26:567:09
1312.26:567:09
1412.26:567:09
1512.26:567:09
1612.26:567:09
1712.26:577:09
1812.26:577:09
1912.26:577:09
2012.26:577:09
2112.26:577:09
2212.26:577:09
2312.26:577:09
2412.26:577:09
2512.26:587:09
2612.26:587:09
2712.26:587:09
2812.26:587:09
2912.26:587:09
3012.26:587:09
3112.26:587:09

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5 kWh/m² — the year's lowest.

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 — July's 5 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in July

Hazard calendar for Yei

In seasonPeak

In July, Yei sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

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

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

Is July a good time to visit Yei?

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

4.3
Sightseeing
5th-best month of the year
4.4
Beach & pool
10th-best month of the year

July is a reasonable time to visit Yei for sightseeing.

What to pack for Yei in July

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

In July, Yei sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Yei in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Yei peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Dec 15UV 10
UV index (midday)Level
Jan11Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov10Extreme
Dec10Very high

Air quality in Yei in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Yei is worst in January — around 101 µg/m³ PM2.5 (unhealthy), about 7.6× the cleanest month (October, 13 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModeratePoorJan 1795 µg/m³Oct 1114 µg/m³
PM2.5 (µg/m³)Level
Jan101Unhealthy
Feb55Poor
Mar27Moderate
Apr15Moderate
May14Moderate
Jun21Moderate
Jul22Moderate
Aug17Moderate
Sep14Moderate
Oct13Moderate
Nov18Moderate
Dec49Poor
Location & terrain

Where is Yei?

Yei sits at 4.1°N, 30.7°E, 836 m above sea level, in South Sudan. The nearest listed city is Koboko, 82 km away.

KobokoYumbeAruaMoyoJubaAruAdjumaniWatsa

Topography around Yei

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

Within 3 km, the terrain around Yei has only modest variations in elevation — a maximum elevation change of 62 m around an average of 824 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 156 m; within 80 km, large variations in elevation — a maximum elevation change of 1,060 m.

The land around Yei is covered by shrubs (46%) and trees (21%) within 3 km, shrubs (51%) and grassland (34%) within 16 km, and shrubs (50%) and trees (34%) within 80 km.

3 km
62 m
16 km
156 m
80 km
1,060 m
treesshrubsgrasslandcroplandartificial surfaces
July weather nearby: Koboko 82 km · Yumbe 94 km · Arua 122 km · Moyo 126 km · Juba 131 km · Aru 138 km · Adjumani 147 km · Watsa 173 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 Yei (4.0944°, 30.6764°, elevation 836 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).