Iriba weather in October
In October, Iriba sees average daytime highs of 34°C and overnight lows near 21°C, with 1 mm of rain across 0.2 wet days and about 11.7 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.
Highs ease over the month, from about 35°C in the first days to 32°C by the end. The sky is clear or mostly clear about 82% of the time in October, and the air most often feels dry.
Daylight stretches from about 11 h 54 min at the start of October to 11 h 30 min by month's end. Set against the rest of the year, October is Iriba's 2nd-clearest and 7th-windiest month. For the whole year in context, see Iriba's year-round climate.
- Daytime high
- 34°
- 5th warmest
- Overnight low
- 21°
- 7th coldest
- Rainfall
- 1 mm
- 0.2 wet days
- Daylight
- 11 h 42 min
- 5:26 AM – 5:06 PM
- Cloud cover
- 18%
- 2nd clearest
- Wind
- 15 km/h
- 7th windiest
- Solar energy
- 6.57 kWh/m²
- Travel score
- 4.3
- out of 10
Iriba is place in Wadi Fira, Chad.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in October
Highs ease over the month, from about 35°C in the first days to 32°C by the end.
A typical October day in Iriba reaches about 34°C in the afternoon and slips back to 21°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, October runs about 1°C cooler than September and about 4°C warmer than November.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 18 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 35 | 22 |
| 2 | 35 | 22 |
| 3 | 35 | 22 |
| 4 | 35 | 22 |
| 5 | 35 | 22 |
| 6 | 35 | 22 |
| 7 | 35 | 22 |
| 8 | 35 | 22 |
| 9 | 35 | 21 |
| 10 | 34 | 21 |
| 11 | 34 | 21 |
| 12 | 34 | 21 |
| 13 | 34 | 21 |
| 14 | 34 | 21 |
| 15 | 34 | 21 |
| 16 | 34 | 21 |
| 17 | 34 | 21 |
| 18 | 34 | 21 |
| 19 | 33 | 20 |
| 20 | 33 | 20 |
| 21 | 33 | 20 |
| 22 | 33 | 20 |
| 23 | 33 | 20 |
| 24 | 33 | 20 |
| 25 | 33 | 19 |
| 26 | 32 | 19 |
| 27 | 32 | 19 |
| 28 | 32 | 19 |
| 29 | 32 | 19 |
| 30 | 32 | 18 |
| 31 | 32 | 18 |
How October really feels in Iriba
Once humidity and wind are folded in, October averages 28 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Iriba weather by month
How October compares with the rest of the year at a glance. October is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.
| 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 October
The sky is clear or mostly clear about 82% of the time in October.
Beyond those clear spells, partly cloudy skies cover about 9% of October, with mostly cloudy or overcast conditions the remaining 9%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 88 | 89 | 89 | 90 | 90 | 91 | 91 | 91 | 92 | 92 | 92 | 92 | 93 | 93 | 93 | 93 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 91 | 91 | 91 | 91 | 91 | 91 | 91 |
| Cloudier (%) | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 88 | 12 |
| 2 | 89 | 11 |
| 3 | 89 | 11 |
| 4 | 90 | 10 |
| 5 | 90 | 10 |
| 6 | 91 | 9 |
| 7 | 91 | 9 |
| 8 | 91 | 9 |
| 9 | 92 | 8 |
| 10 | 92 | 8 |
| 11 | 92 | 8 |
| 12 | 92 | 8 |
| 13 | 93 | 7 |
| 14 | 93 | 7 |
| 15 | 93 | 7 |
| 16 | 93 | 7 |
| 17 | 92 | 8 |
| 18 | 92 | 8 |
| 19 | 92 | 8 |
| 20 | 92 | 8 |
| 21 | 92 | 8 |
| 22 | 92 | 8 |
| 23 | 92 | 8 |
| 24 | 92 | 8 |
| 25 | 91 | 9 |
| 26 | 91 | 9 |
| 27 | 91 | 9 |
| 28 | 91 | 9 |
| 29 | 91 | 9 |
| 30 | 91 | 9 |
| 31 | 91 | 9 |
Chance of precipitation in October
Iriba gets around 1 mm of rain over 0.2 wet days in October. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 1% and peaks near 2% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rain chance (%) | |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 2 |
| 4 | 2 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 1 |
| 13 | 1 |
| 14 | 1 |
| 15 | 1 |
| 16 | 1 |
| 17 | 1 |
| 18 | 1 |
| 19 | 1 |
| 20 | 1 |
| 21 | 1 |
| 22 | 0 |
| 23 | 0 |
| 24 | 0 |
| 25 | 0 |
| 26 | 0 |
| 27 | 0 |
| 28 | 0 |
| 29 | 0 |
| 30 | 0 |
| 31 | 0 |
Humidity in October
Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the dry band about 97% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 92 | 92 | 93 | 94 | 94 | 94 | 95 | 95 | 97 | 97 | 97 | 97 | 97 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 |
| Comfortable (%) | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Humid (%) | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 92 | 5 | 2 | 1 |
| 2 | 92 | 5 | 2 | 1 |
| 3 | 93 | 5 | 1 | 1 |
| 4 | 94 | 4 | 1 | 1 |
| 5 | 94 | 4 | 1 | 1 |
| 6 | 94 | 4 | 1 | 1 |
| 7 | 95 | 3 | 1 | 1 |
| 8 | 95 | 3 | 1 | 1 |
| 9 | 97 | 2 | 1 | 0 |
| 10 | 97 | 2 | 1 | 0 |
| 11 | 97 | 2 | 1 | 0 |
| 12 | 97 | 2 | 1 | 0 |
| 13 | 97 | 2 | 1 | 0 |
| 14 | 98 | 1 | 1 | 0 |
| 15 | 98 | 1 | 1 | 0 |
| 16 | 98 | 1 | 1 | 0 |
| 17 | 98 | 1 | 1 | 0 |
| 18 | 98 | 1 | 1 | 0 |
| 19 | 98 | 1 | 1 | 0 |
| 20 | 98 | 1 | 1 | 0 |
| 21 | 98 | 1 | 1 | 0 |
| 22 | 99 | 1 | 0 | 0 |
| 23 | 99 | 1 | 0 | 0 |
| 24 | 99 | 1 | 0 | 0 |
| 25 | 99 | 1 | 0 | 0 |
| 26 | 99 | 1 | 0 | 0 |
| 27 | 99 | 1 | 0 | 0 |
| 28 | 100 | 0 | 0 | 0 |
| 29 | 100 | 0 | 0 | 0 |
| 30 | 100 | 0 | 0 | 0 |
| 31 | 100 | 0 | 0 | 0 |
Wind in October
Winds average 15 km/h in October.
Across October, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 14 | light breeze |
| 2 | 14 | light breeze |
| 3 | 14 | light breeze |
| 4 | 14 | light breeze |
| 5 | 14 | light breeze |
| 6 | 14 | light breeze |
| 7 | 15 | light breeze |
| 8 | 15 | light breeze |
| 9 | 15 | light breeze |
| 10 | 15 | light breeze |
| 11 | 15 | light breeze |
| 12 | 15 | light breeze |
| 13 | 15 | light breeze |
| 14 | 15 | light breeze |
| 15 | 15 | light breeze |
| 16 | 15 | light breeze |
| 17 | 15 | light breeze |
| 18 | 15 | light breeze |
| 19 | 15 | light breeze |
| 20 | 15 | light breeze |
| 21 | 15 | light breeze |
| 22 | 16 | light breeze |
| 23 | 16 | light breeze |
| 24 | 16 | light breeze |
| 25 | 16 | light breeze |
| 26 | 16 | light breeze |
| 27 | 16 | light breeze |
| 28 | 16 | light breeze |
| 29 | 16 | light breeze |
| 30 | 16 | light breeze |
| 31 | 16 | light breeze |
Sunrise & sunset in October
Daylight runs from about 11 h 54 min at the start of October to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 24 minutes over October. Sunrise moves from 5:24 AM to 5:31 AM, and sunset from 5:16 PM to 4:58 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 |
| Sunrise (AM) | 5:24 | 5:24 | 5:24 | 5:24 | 5:24 | 5:25 | 5:25 | 5:25 | 5:25 | 5:25 | 5:25 | 5:26 | 5:26 | 5:26 | 5:26 | 5:26 | 5:27 | 5:27 | 5:27 | 5:27 | 5:28 | 5:28 | 5:28 | 5:28 | 5:29 | 5:29 | 5:29 | 5:30 | 5:30 | 5:30 | 5:31 |
| Sunset (PM) | 5:16 | 5:15 | 5:14 | 5:14 | 5:13 | 5:12 | 5:12 | 5:11 | 5:10 | 5:09 | 5:09 | 5:08 | 5:08 | 5:07 | 5:06 | 5:06 | 5:05 | 5:04 | 5:04 | 5:03 | 5:03 | 5:02 | 5:02 | 5:01 | 5:01 | 5:00 | 5:00 | 5:00 | 4:59 | 4:59 | 4:58 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 5:24 | 5:16 |
| 2 | 11.9 | 5:24 | 5:15 |
| 3 | 11.8 | 5:24 | 5:14 |
| 4 | 11.8 | 5:24 | 5:14 |
| 5 | 11.8 | 5:24 | 5:13 |
| 6 | 11.8 | 5:25 | 5:12 |
| 7 | 11.8 | 5:25 | 5:12 |
| 8 | 11.8 | 5:25 | 5:11 |
| 9 | 11.8 | 5:25 | 5:10 |
| 10 | 11.7 | 5:25 | 5:09 |
| 11 | 11.7 | 5:25 | 5:09 |
| 12 | 11.7 | 5:26 | 5:08 |
| 13 | 11.7 | 5:26 | 5:08 |
| 14 | 11.7 | 5:26 | 5:07 |
| 15 | 11.7 | 5:26 | 5:06 |
| 16 | 11.7 | 5:26 | 5:06 |
| 17 | 11.6 | 5:27 | 5:05 |
| 18 | 11.6 | 5:27 | 5:04 |
| 19 | 11.6 | 5:27 | 5:04 |
| 20 | 11.6 | 5:27 | 5:03 |
| 21 | 11.6 | 5:28 | 5:03 |
| 22 | 11.6 | 5:28 | 5:02 |
| 23 | 11.6 | 5:28 | 5:02 |
| 24 | 11.5 | 5:28 | 5:01 |
| 25 | 11.5 | 5:29 | 5:01 |
| 26 | 11.5 | 5:29 | 5:00 |
| 27 | 11.5 | 5:29 | 5:00 |
| 28 | 11.5 | 5:30 | 5:00 |
| 29 | 11.5 | 5:30 | 4:59 |
| 30 | 11.5 | 5:30 | 4:59 |
| 31 | 11.5 | 5:31 | 4:58 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 6.57 kWh/m².
For context, solar energy here swings from a low near 5.83 kWh/m² to a high of 7.73 kWh/m² in April across the year — October's 6.57 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.7 | Intense |
| 2 | 6.7 | Intense |
| 3 | 6.7 | Intense |
| 4 | 6.7 | Intense |
| 5 | 6.7 | Intense |
| 6 | 6.7 | Intense |
| 7 | 6.7 | Intense |
| 8 | 6.7 | Intense |
| 9 | 6.7 | Intense |
| 10 | 6.7 | Intense |
| 11 | 6.7 | Intense |
| 12 | 6.6 | Intense |
| 13 | 6.6 | Intense |
| 14 | 6.6 | Intense |
| 15 | 6.6 | Intense |
| 16 | 6.6 | Intense |
| 17 | 6.6 | Intense |
| 18 | 6.6 | Intense |
| 19 | 6.5 | Intense |
| 20 | 6.5 | Intense |
| 21 | 6.5 | Intense |
| 22 | 6.5 | Intense |
| 23 | 6.5 | Intense |
| 24 | 6.5 | Intense |
| 25 | 6.5 | Intense |
| 26 | 6.5 | Intense |
| 27 | 6.4 | Intense |
| 28 | 6.4 | Intense |
| 29 | 6.4 | Intense |
| 30 | 6.4 | Intense |
| 31 | 6.4 | Intense |
Hazard calendar for Iriba
In October, Iriba sits inside its dust season. The full year is below, with each hazard's peak months called out.
Iriba sees seasonal dust haze (March–October), heaviest in May.
Is October a good time to visit Iriba?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is a reasonable time to visit Iriba for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Iriba in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Iriba sees daytime highs around 34°C and nights near 21°C. Pack light clothes and sun protection.
UV index in Iriba in October
Clear-sky midday UV in October peaks 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 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 October
Average fine-particle pollution (PM2.5) through the year — so you can see where October 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).