Iriba weather in August

In August, Iriba sees average daytime highs of 32°C and overnight lows near 21°C, with 127 mm of rain across 17.2 wet days and about 12.5 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 31% of the time in August, and the air most often feels muggy.

Daylight stretches from about 12 h 42 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Iriba's 12th-clearest and 12th-windiest month. For the whole year in context, see Iriba's year-round climate.

Daytime high
32°
8th warmest
Overnight low
21°
8th coldest
Rainfall
127 mm
17.2 wet days
Daylight
12 h 30 min
5:20 AM – 5:50 PM
Cloud cover
53%
12th clearest
Wind
10 km/h
12th windiest
Solar energy
6.23 kWh/m²
Travel score
3.7
out of 10

Iriba is place in Wadi Fira, Chad.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical August day in Iriba reaches about 32°C in the afternoon and slips back to 21°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°C. Set against its neighbours, August runs about 2°C cooler than July and about 3°C cooler than September.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13221
23221
33221
43121
53121
63121
73121
83121
93121
103121
113121
123121
133121
143121
153121
163121
173121
183121
193121
203121
213121
223221
233221
243221
253221
263221
273221
283221
293221
303221
313321

How August really feels in Iriba

Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Iriba weather by month

How August compares with the rest of the year at a glance. August is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 11°0011.29.1
Feb28° / 13°0011.57.9
Mar32° / 17°0011.95.3
Apr36° / 21°00.112.33.0
May37° / 23°20.612.72.0
Jun37° / 23°71.612.92.1
Jul34° / 22°8313.112.83.1
Aug32° / 21°12717.212.53.7
Sep34° / 22°203.812.13.3
Oct34° / 21°10.211.74.3
Nov29° / 16°0011.37.2
Dec26° / 11°0011.19.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 31% of August, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25842
35743
45743
55743
65644
75644
85644
95644
105644
115743
125743
135842
145842
155941
165941
176040
186040
196238
206337
216337
226535
236634
246733
256832
266931
277030
287228
297228
307327
317426

Chance of precipitation in August

Any precipitation

Iriba gets around 127 mm of rain over 17.2 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 54% and peaks near 61% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
157
258
359
460
560
661
761
861
961
1061
1160
1260
1359
1458
1558
1657
1756
1855
1954
2053
2152
2251
2349
2448
2547
2645
2743
2842
2940
3038
3136

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the muggy band about 75% of days. Sticky, muggy-or-worse air turns up on roughly 78% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
13718702
23717712
33616732
43615742
53614743
63513763
73512773
83511774
93511774
102410804
112410795
12249805
13249805
14249805
15249805
16249805
17249814
182410804
192410804
203410794
213410794
224411783
235511763
245512753
257513732
268613712
279614692
2811715661
2912716641
3014817601
3116918561

Wind in August

Winds average 10 km/h in August, the calmest month.

Across August, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 42 min at the start of August to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over August. Sunrise moves from 5:17 AM to 5:22 AM, and sunset from 5:57 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:175:57
212.75:175:57
312.75:175:57
412.65:175:56
512.65:185:56
612.65:185:55
712.65:185:55
812.65:185:55
912.65:185:54
1012.65:195:54
1112.65:195:53
1212.65:195:53
1312.55:195:52
1412.55:195:52
1512.55:205:51
1612.55:205:50
1712.55:205:50
1812.55:205:49
1912.55:205:49
2012.55:205:48
2112.45:215:47
2212.45:215:47
2312.45:215:46
2412.45:215:45
2512.45:215:45
2612.45:215:44
2712.45:215:43
2812.45:215:43
2912.35:225:42
3012.35:225:41
3112.35:225:40

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.23 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 — August's 6.23 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in August

Hazard calendar for Iriba

In seasonPeak

In August, 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.

Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Iriba?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.7
Sightseeing
7th-best month of the year
5.7
Beach & pool
9th-best month of the year

August is a weaker month for outdoor sightseeing in Iriba.

What to pack for Iriba in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Iriba sees daytime highs around 32°C and nights near 21°C. Pack light clothes, rain gear and sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Iriba in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highMay 14UV 13Dec 16UV 7
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar11Extreme
Apr12Extreme
May13Extreme
Jun11Extreme
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec7High

Air quality in Iriba in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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).

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorMar 1469 µg/m³Aug 2029 µg/m³
PM2.5 (µg/m³)Level
Jan54Poor
Feb63Unhealthy
Mar70Unhealthy
Apr56Unhealthy
May51Poor
Jun45Poor
Jul41Poor
Aug29Moderate
Sep33Moderate
Oct46Poor
Nov37Poor
Dec49Poor
Location & terrain

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.

AmdjarassBiltineAdréEl Geneina Fort'ĀrdamatāAl-JunaynahAbéchéFada

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.

3 km
46 m
16 km
154 m
80 km
683 m
shrubsgrasslandartificial surfacesbare terrain
August weather nearby: Amdjarass 123 km · Biltine 157 km · Adré 184 km · El Geneina Fort 184 km · 'Ārdamatā 184 km · Al-Junaynah 186 km · Abéché 209 km · Fada 242 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
Muslim 52%Protestant 24%Roman Catholic 20%none 3%

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).