Tonj in Fall
In fall (September, October and November), Tonj sees average daytime highs around 32°C and overnight lows near 23°C, with 297 mm of rain over about 48 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 30°C in early September to 34°C by late November. The sky is clear or mostly clear about 23% of the time across fall, and the air most often feels oppressive.
Fall is Tonj's best season of the year to visit on our travel score. For the whole year in context, see Tonj's year-round climate.
- Avg daytime high
- 32°C
- 3rd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 297 mm
- 48 wet days
- Avg wind
- 6 km/h
- Travel score
- 3.3
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in Tonj in Fall
Over the season highs climb from about 30°C in early September to 34°C by late November.
A typical fall day in Tonj reaches about 32°C and drops to 23°C overnight. The warmest of the three months is November, the coolest September.
How fall really feels in Tonj
Once humidity and wind are folded in, fall brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Tonj weather by month
How the three fall months (September, October and November) 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° / 23° | 1 | 0.3 | 11.6 | 2.8 |
| Feb | 37° / 24° | 3 | 0.7 | 11.8 | 1.8 |
| Mar | 38° / 26° | 21 | 4.5 | 12 | 1.4 |
| Apr | 36° / 26° | 63 | 13.6 | 12.2 | 1.8 |
| May | 34° / 25° | 122 | 20 | 12.3 | 2.5 |
| Jun | 32° / 23° | 127 | 20.3 | 12.4 | 3.1 |
| Jul | 30° / 23° | 163 | 22.9 | 12.4 | 3.4 |
| Aug | 30° / 22° | 178 | 23.6 | 12.2 | 3.3 |
| Sep | 31° / 22° | 152 | 22.4 | 12 | 3.2 |
| Oct | 32° / 23° | 122 | 20.2 | 11.8 | 3.2 |
| Nov | 33° / 23° | 23 | 5.7 | 11.7 | 3.6 |
| Dec | 35° / 23° | 2 | 0.4 | 11.6 | 3.3 |
Cloud cover in Fall
The sky is clear or mostly clear about 23% of the time across fall.
Chance of precipitation in Fall
Tonj gets around 297 mm of rain over 48 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 6 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 06 min in early September to 11 h 36 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 5.7 kWh/m².
Hazard calendar for Tonj
In fall, Tonj overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Tonj's rainy season runs May–October, when most of the year's rain falls.
Is fall a good time to visit Tonj?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in Tonj.
What to pack for Tonj in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Tonj sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 48 days see rain.
UV index in Tonj in Fall
Clear-sky midday UV across fall 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 Tonj peaks around March 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 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) | 11 | 11 | 14 | 13 | 11 | 11 | 11 | 13 | 12 | 12 | 10 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 11 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Very high |
| Dec | 9 | Very high |
Air quality in Tonj in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Tonj is worst in December — around 50 µg/m³ PM2.5 (poor), about 4.6× the cleanest month (August, 11 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) | 39 | 42 | 44 | 24 | 12 | 15 | 14 | 11 | 11 | 16 | 46 | 50 |
| Level | Poor | Poor | Poor | Moderate | Good | Moderate | Moderate | Good | Good | Moderate | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 39 | Poor |
| Feb | 42 | Poor |
| Mar | 44 | Poor |
| Apr | 24 | Moderate |
| May | 12 | Good |
| Jun | 15 | Moderate |
| Jul | 14 | Moderate |
| Aug | 11 | Good |
| Sep | 11 | Good |
| Oct | 16 | Moderate |
| Nov | 46 | Poor |
| Dec | 50 | Poor |
Where is Tonj?
Tonj sits at 7.3°N, 28.7°E, 444 m above sea level, in South Sudan. The nearest listed city is Wau, 89 km away.
Topography around Tonj
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tonj.
Within 3 km, the terrain around Tonj has only modest variations in elevation — a maximum elevation change of 21 m around an average of 437 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 73 m; within 80 km, only modest variations in elevation — a maximum elevation change of 176 m.
The land around Tonj is covered by grassland (79%) within 3 km, grassland (64%) and shrubs (23%) within 16 km, and grassland (53%) and shrubs (32%) 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 Tonj (7.2739°, 28.6775°, elevation 444 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.