Yambio in Summer
In summer (June, July and August), Yambio sees average daytime highs around 28°C and overnight lows near 20°C, with 503 mm of rain over about 76 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 6% of the time across summer, and the air most often feels muggy.
Summer is Yambio's best season of the year to visit on our travel score. For the whole year in context, see Yambio's year-round climate.
- Avg daytime high
- 28°C
- coldest season of the year
- Avg overnight low
- 20°C
- Rainfall
- 503 mm
- 76 wet days
- Avg wind
- 5 km/h
- Travel score
- 3.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Yambio in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Yambio reaches about 28°C and drops to 20°C overnight. The warmest of the three months is June, the coolest July.
How summer really feels in Yambio
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Yambio weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 34° / 22° | 13 | 2.4 | 11.8 | 3.6 |
| Feb | 34° / 23° | 24 | 4.8 | 11.9 | 3.0 |
| Mar | 33° / 23° | 100 | 15 | 12 | 3.0 |
| Apr | 30° / 22° | 188 | 22.5 | 12.1 | 3.2 |
| May | 29° / 22° | 183 | 24.7 | 12.2 | 3.5 |
| Jun | 28° / 21° | 151 | 24.2 | 12.3 | 3.9 |
| Jul | 28° / 20° | 163 | 25.3 | 12.2 | 4.1 |
| Aug | 28° / 20° | 189 | 26 | 12.1 | 3.8 |
| Sep | 29° / 21° | 190 | 26.1 | 12 | 3.5 |
| Oct | 29° / 21° | 236 | 27.9 | 11.9 | 3.3 |
| Nov | 30° / 21° | 119 | 17.1 | 11.8 | 4.1 |
| Dec | 32° / 21° | 21 | 3.8 | 11.7 | 4.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 6% of the time across summer.
Chance of precipitation in Summer
Yambio gets around 503 mm of rain over 76 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 5 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 12 min in early June to 12 h 06 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.1 kWh/m².
Is summer a good time to visit Yambio?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Yambio.
What to pack for Yambio in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Yambio sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 76 days see rain.
UV index in Yambio in Summer
Clear-sky midday UV across summer averages 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 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 10 | 11 | 14 | 13 | 12 | 11 | 10 | 13 | 13 | 13 | 10 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| Feb | 11 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 10 | Extreme |
| Dec | 10 | Very high |
Air quality in Yambio in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 88 | 75 | 37 | 14 | 10 | 15 | 16 | 11 | 9 | 8 | 17 | 71 |
| Level | Unhealthy | Unhealthy | Poor | Moderate | Good | Moderate | Moderate | Good | Good | Good | Moderate | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 88 | Unhealthy |
| Feb | 75 | Unhealthy |
| Mar | 37 | Poor |
| Apr | 14 | Moderate |
| May | 10 | Good |
| Jun | 15 | Moderate |
| Jul | 16 | Moderate |
| Aug | 11 | Good |
| Sep | 9 | Good |
| Oct | 8 | Good |
| Nov | 17 | Moderate |
| Dec | 71 | Unhealthy |
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.
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.
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
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.