Mongo in Summer
In summer (June, July and August), Mongo sees average daytime highs around 33°C and overnight lows near 24°C, with 527 mm of rain over about 63 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Over the season highs ease from about 37°C in early June to 30°C by late August. The sky is clear or mostly clear about 17% of the time across summer, and the air most often feels oppressive.
Summer is Mongo's 3rd-best season to visit on our travel score. For the whole year in context, see Mongo's year-round climate.
- Avg daytime high
- 33°C
- coldest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 527 mm
- 63 wet days
- Avg wind
- 8 km/h
- Travel score
- 2.5
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Mongo in Summer
Over the season highs ease from about 37°C in early June to 30°C by late August.
A typical summer day in Mongo reaches about 33°C and drops to 24°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Mongo
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.
Mongo 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 | 33° / 16° | 0 | 0 | 11.4 | 4.8 |
| Feb | 35° / 18° | 0 | 0 | 11.6 | 3.0 |
| Mar | 38° / 22° | 0 | 0.1 | 11.9 | 1.1 |
| Apr | 40° / 25° | 6 | 2.3 | 12.3 | 0.2 |
| May | 39° / 27° | 30 | 8.3 | 12.6 | 0.7 |
| Jun | 36° / 26° | 62 | 13 | 12.7 | 1.8 |
| Jul | 32° / 24° | 176 | 23.3 | 12.6 | 2.7 |
| Aug | 30° / 23° | 289 | 26.9 | 12.4 | 3.0 |
| Sep | 32° / 23° | 140 | 18.3 | 12.1 | 3.2 |
| Oct | 35° / 23° | 25 | 5.4 | 11.7 | 3.0 |
| Nov | 35° / 20° | 1 | 0.2 | 11.4 | 3.1 |
| Dec | 33° / 17° | 0 | 0 | 11.3 | 4.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 17% of the time across summer.
Chance of precipitation in Summer
Mongo gets around 527 mm of rain over 63 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 8 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 42 min in early June to 12 h 12 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 5.6 kWh/m².
Hazard calendar for Mongo
In summer, Mongo overlaps its monsoon and dust season. The full year is below, with each hazard's peak months called out.
Mongo's monsoon runs July–September, when most of the year's rain falls.
Mongo sees seasonal dust haze (March–July), heaviest in March.
Is summer a good time to visit Mongo?
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 Mongo.
What to pack for Mongo in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Mongo sees daytime highs around 33°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 63 days see rain.
UV index in Mongo in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mongo peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (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 | 12 | 12 | 10 | 11 | 12 | 13 | 11 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 12 | Extreme |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 10 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Mongo 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 Mongo is worst in March — around 66 µg/m³ PM2.5 (unhealthy), about 3.5× the cleanest month (August, 19 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) | 35 | 44 | 66 | 43 | 25 | 25 | 20 | 19 | 21 | 28 | 23 | 27 |
| Level | Poor | Poor | Unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 35 | Poor |
| Feb | 44 | Poor |
| Mar | 66 | Unhealthy |
| Apr | 43 | Poor |
| May | 25 | Moderate |
| Jun | 25 | Moderate |
| Jul | 20 | Moderate |
| Aug | 19 | Moderate |
| Sep | 21 | Moderate |
| Oct | 28 | Moderate |
| Nov | 23 | Moderate |
| Dec | 27 | Moderate |
Where is Mongo?
Mongo sits at 12.2°N, 18.7°E, 429 m above sea level, in Chad. The nearest listed city is Bitkine, 56 km away.
Topography around Mongo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mongo.
Within 3 km, the terrain around Mongo has significant variations in elevation — a maximum elevation change of 361 m around an average of 451 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 828 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,219 m.
The land around Mongo is covered by grassland (63%) within 3 km, grassland (81%) within 16 km, and grassland (65%) and shrubs (31%) within 80 km.
Chad travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / D / E / F
- 220 V · 50 Hz
- Prices
- ≈ 35% of US
- price level, 2025
- GDP per capita
- $1,022
- 2025
- Happiness
- 4.4 / 10
- World Happiness, 2025
- Safe drinking water
- 6%
- of population, 2024
- Road deaths
- 32.4
- 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 Mongo (12.1851°, 18.6884°, 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.