Biltine in Summer
In summer (June, July and August), Biltine sees average daytime highs around 35°C and overnight lows near 25°C, with 257 mm of rain over about 36 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Over the season highs ease from about 39°C in early June to 32°C by late August. The sky is clear or mostly clear about 35% of the time across summer, and the air most often feels oppressive.
Summer is Biltine's 3rd-best season to visit on our travel score. For the whole year in context, see Biltine's year-round climate.
- Avg daytime high
- 35°C
- 3rd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 257 mm
- 36 wet days
- Avg wind
- 11 km/h
- Travel score
- 2.2
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Biltine in Summer
Over the season highs ease from about 39°C in early June to 32°C by late August.
A typical summer day in Biltine reaches about 35°C and drops to 25°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Biltine
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.
Biltine 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 | 32° / 17° | 0 | 0 | 11.2 | 5.3 |
| Feb | 35° / 19° | 0 | 0 | 11.5 | 3.7 |
| Mar | 37° / 22° | 0 | 0 | 11.9 | 1.7 |
| Apr | 40° / 26° | 1 | 0.3 | 12.3 | 0.2 |
| May | 40° / 27° | 6 | 1.9 | 12.7 | 0.1 |
| Jun | 39° / 26° | 15 | 4.2 | 12.8 | 0.9 |
| Jul | 35° / 24° | 83 | 12.9 | 12.8 | 2.4 |
| Aug | 32° / 23° | 160 | 19 | 12.5 | 3.2 |
| Sep | 35° / 24° | 41 | 6.4 | 12.1 | 2.5 |
| Oct | 37° / 24° | 4 | 1.2 | 11.7 | 1.8 |
| Nov | 35° / 21° | 0 | 0 | 11.3 | 3.3 |
| Dec | 33° / 17° | 0 | 0 | 11.2 | 4.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 35% of the time across summer.
Chance of precipitation in Summer
Biltine gets around 257 mm of rain over 36 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 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 48 min in early June to 12 h 18 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 6.3 kWh/m².
Hazard calendar for Biltine
In summer, Biltine overlaps its dust season. The full year is below, with each hazard's peak months called out.
Biltine sees seasonal dust haze (March–October), heaviest in June.
Is summer a good time to visit Biltine?
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 Biltine.
What to pack for Biltine in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Biltine sees daytime highs around 35°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 36 days see rain.
UV index in Biltine 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 Biltine peaks around August 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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) | 9 | 11 | 11 | 10 | 10 | 11 | 10 | 12 | 11 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 11 | Extreme |
| Apr | 10 | Extreme |
| May | 10 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Very high |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Biltine 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 Biltine is worst in March — around 63 µg/m³ PM2.5 (unhealthy), about 2.8× the cleanest month (September, 22 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) | 37 | 48 | 63 | 50 | 42 | 42 | 35 | 22 | 22 | 29 | 25 | 32 |
| Level | Poor | Poor | Unhealthy | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 37 | Poor |
| Feb | 48 | Poor |
| Mar | 63 | Unhealthy |
| Apr | 50 | Poor |
| May | 42 | Poor |
| Jun | 42 | Poor |
| Jul | 35 | Poor |
| Aug | 22 | Moderate |
| Sep | 22 | Moderate |
| Oct | 29 | Moderate |
| Nov | 25 | Moderate |
| Dec | 32 | Moderate |
Where is Biltine?
Biltine sits at 14.5°N, 20.9°E, 518 m above sea level, in Chad. The nearest listed city is Abéché, 78 km away.
Topography around Biltine
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Biltine.
Within 3 km, the terrain around Biltine has only modest variations in elevation — a maximum elevation change of 159 m around an average of 516 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 398 m; within 80 km, large variations in elevation — a maximum elevation change of 773 m.
The land around Biltine is covered by grassland (58%) and bare terrain (37%) within 3 km, grassland (85%) within 16 km, and grassland (89%) 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 Biltine (14.5273°, 20.926°, elevation 518 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.