Iriba in Winter
In winter (December, January and February), Iriba sees average daytime highs around 27°C and overnight lows near 12°C, with 0 mm of rain over about 0 wet days across the season. It is the coldest season of the year and the driest season of the year.
Over the season highs climb from about 27°C in early December to 30°C by late February. The sky is clear or mostly clear about 77% of the time across winter, and the air most often feels dry.
Winter is Iriba's best season of the year to visit on our travel score. For the whole year in context, see Iriba's year-round climate.
- Avg daytime high
- 27°C
- coldest season of the year
- Avg overnight low
- 12°C
- Rainfall
- 0 mm
- 0 wet days
- Avg wind
- 17 km/h
- Travel score
- 8.7
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Iriba in Winter
Over the season highs climb from about 27°C in early December to 30°C by late February.
A typical winter day in Iriba reaches about 27°C and drops to 12°C overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Iriba
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Iriba weather by month
How the three winter months (December, January and February) 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 | 26° / 11° | 0 | 0 | 11.2 | 9.1 |
| Feb | 28° / 13° | 0 | 0 | 11.5 | 7.9 |
| Mar | 32° / 17° | 0 | 0 | 11.9 | 5.3 |
| Apr | 36° / 21° | 0 | 0.1 | 12.3 | 3.0 |
| May | 37° / 23° | 2 | 0.6 | 12.7 | 2.0 |
| Jun | 37° / 23° | 7 | 1.6 | 12.9 | 2.1 |
| Jul | 34° / 22° | 83 | 13.1 | 12.8 | 3.1 |
| Aug | 32° / 21° | 127 | 17.2 | 12.5 | 3.7 |
| Sep | 34° / 22° | 20 | 3.8 | 12.1 | 3.3 |
| Oct | 34° / 21° | 1 | 0.2 | 11.7 | 4.3 |
| Nov | 29° / 16° | 0 | 0 | 11.3 | 7.2 |
| Dec | 26° / 11° | 0 | 0 | 11.1 | 9.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 77% of the time across winter.
Chance of precipitation in Winter
Iriba gets around 0 mm of rain over 0 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 17 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 12 min in early December to 11 h 42 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 6.2 kWh/m².
Hazard calendar for Iriba
None of Iriba's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Iriba sees seasonal dust haze (March–October), heaviest in May.
Is winter a good time to visit Iriba?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is one of the better times to visit Iriba for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Iriba in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Iriba sees daytime highs around 27°C and nights near 12°C. Pack light clothes and sun protection.
UV index in Iriba in Winter
Clear-sky midday UV across winter averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Iriba peaks around May 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (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 | 12 | 13 | 11 | 10 | 11 | 12 | 11 | 9 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 11 | Extreme |
| Apr | 12 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Very high |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 7 | High |
Air quality in Iriba in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Iriba is worst in March — around 70 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (August, 29 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) | 54 | 63 | 70 | 56 | 51 | 45 | 41 | 29 | 33 | 46 | 37 | 49 |
| Level | Poor | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor | Moderate | Moderate | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 54 | Poor |
| Feb | 63 | Unhealthy |
| Mar | 70 | Unhealthy |
| Apr | 56 | Unhealthy |
| May | 51 | Poor |
| Jun | 45 | Poor |
| Jul | 41 | Poor |
| Aug | 29 | Moderate |
| Sep | 33 | Moderate |
| Oct | 46 | Poor |
| Nov | 37 | Poor |
| Dec | 49 | Poor |
Where is Iriba?
Iriba sits at 15.1°N, 22.3°E, 932 m above sea level, in Chad. The nearest listed city is Amdjarass, 123 km away.
Topography around Iriba
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Iriba.
Within 3 km, the terrain around Iriba has only modest variations in elevation — a maximum elevation change of 46 m around an average of 926 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 154 m; within 80 km, large variations in elevation — a maximum elevation change of 683 m.
The land around Iriba is covered by grassland (54%) and bare terrain (43%) within 3 km, grassland (68%) and bare terrain (30%) within 16 km, and grassland (66%) and bare terrain (30%) 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 Iriba (15.1167°, 22.25°, elevation 932 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.