Bor in Summer
In summer (June, July and August), Bor sees average daytime highs around 30°C and overnight lows near 23°C, with 403 mm of rain over about 62 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 20% of the time across summer, and the air most often feels oppressive.
Summer is Bor's best season of the year to visit on our travel score. For the whole year in context, see Bor's year-round climate.
- Avg daytime high
- 30°C
- coldest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 403 mm
- 62 wet days
- Avg wind
- 6 km/h
- Travel score
- 3.7
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Bor in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Bor reaches about 30°C and drops to 23°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Bor
Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Bor 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 | 36° / 25° | 3 | 0.6 | 11.7 | 2.3 |
| Feb | 38° / 26° | 4 | 1.3 | 11.8 | 1.4 |
| Mar | 38° / 27° | 23 | 4.6 | 12 | 1.3 |
| Apr | 35° / 26° | 65 | 11.9 | 12.1 | 2.1 |
| May | 33° / 25° | 126 | 17.9 | 12.3 | 3.0 |
| Jun | 31° / 24° | 122 | 18.5 | 12.4 | 3.6 |
| Jul | 30° / 23° | 141 | 21.5 | 12.3 | 3.7 |
| Aug | 30° / 23° | 140 | 21.5 | 12.2 | 3.7 |
| Sep | 31° / 23° | 121 | 17 | 12 | 3.9 |
| Oct | 31° / 23° | 135 | 18.9 | 11.9 | 3.5 |
| Nov | 33° / 24° | 44 | 9.5 | 11.7 | 3.6 |
| Dec | 35° / 24° | 7 | 1.5 | 11.6 | 3.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 20% of the time across summer.
Chance of precipitation in Summer
Bor gets around 403 mm of rain over 62 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 6 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 18 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.
Hazard calendar for Bor
In summer, Bor overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Bor's rainy season runs April–October, when most of the year's rain falls.
Is summer a good time to visit Bor?
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 Bor.
What to pack for Bor in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Bor sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 62 days see rain.
UV index in Bor 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 Bor peaks around March 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 9 (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 | 12 | 14 | 11 | 11 | 11 | 11 | 13 | 12 | 13 | 9 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| Feb | 12 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 11 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Bor 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 Bor is worst in December — around 82 µg/m³ PM2.5 (unhealthy), about 8.3× the cleanest month (May, 10 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) | 81 | 50 | 23 | 14 | 10 | 16 | 17 | 13 | 12 | 11 | 24 | 82 |
| Level | Unhealthy | Poor | Moderate | Moderate | Good | Moderate | Moderate | Moderate | Good | Good | Moderate | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 81 | Unhealthy |
| Feb | 50 | Poor |
| Mar | 23 | Moderate |
| Apr | 14 | Moderate |
| May | 10 | Good |
| Jun | 16 | Moderate |
| Jul | 17 | Moderate |
| Aug | 13 | Moderate |
| Sep | 12 | Good |
| Oct | 11 | Good |
| Nov | 24 | Moderate |
| Dec | 82 | Unhealthy |
Where is Bor?
Bor sits at 6.2°N, 31.6°E, 429 m above sea level, in South Sudan. The nearest listed city is Juba, 151 km away.
Topography around Bor
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bor.
Within 3 km, the terrain around Bor has only modest variations in elevation — a maximum elevation change of 8 m around an average of 424 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 18 m; within 80 km, significant variations in elevation — a maximum elevation change of 283 m.
The land around Bor is covered by wetland (56%) and grassland (29%) within 3 km, wetland (57%) and grassland (29%) within 16 km, and grassland (60%) and wetland (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 Bor (6.2089°, 31.5586°, elevation 429 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.