Bol weather in August

In August, Bol sees average daytime highs of 33°C and overnight lows near 25°C, with 103 mm of rain across 14.2 wet days and about 12.4 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 16% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Bol's 12th-clearest and 11th-windiest month. For the whole year in context, see Bol's year-round climate.

Daytime high
33°
10th warmest
Overnight low
25°
7th coldest
Rainfall
103 mm
14.2 wet days
Daylight
12 h 30 min
5:52 AM – 6:19 PM
Cloud cover
67%
12th clearest
Wind
12 km/h
11th windiest
Solar energy
5.68 kWh/m²
Travel score
3.1
out of 10

Bol is city in 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 33°C through the month.

A typical August day in Bol reaches about 33°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, August runs about 3°C cooler than July and about 3°C cooler than September.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13326
23326
33326
43326
53325
63325
73325
83325
93325
103325
113325
123325
133325
143325
153325
163325
173325
183325
193325
203325
213325
223325
233325
243325
253325
263325
273325
283325
293325
303425
313426

How August really feels in Bol

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.

Bol weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 15°0011.36.1
Feb34° / 18°0011.64.0
Mar38° / 22°0011.91.4
Apr41° / 26°10.312.30.0
May41° / 28°62.112.60.0
Jun39° / 28°103.712.80.5
Jul35° / 27°569.812.72.3
Aug33° / 25°10314.212.43.1
Sep36° / 26°34612.12.2
Oct38° / 25°51.411.71.4
Nov35° / 20°0011.43.1
Dec32° / 16°0011.25.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33862
43763
53664
63664
73565
83565
93466
103466
113466
123565
133664
143664
153763
163763
173763
183862
193862
203763
213862
223862
233961
243961
254159
264159
274258
284258
294456
304456
314654

Chance of precipitation in August

Any precipitation

Bol gets around 103 mm of rain over 14.2 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 45% and peaks near 48% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
246
346
447
547
647
748
848
948
1048
1148
1248
1348
1447
1547
1647
1746
1846
1946
2045
2145
2244
2343
2443
2542
2641
2741
2840
2939
3038
3137

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
104888
203889
302899
4028810
5018811
6018712
7018514
8018415
9018316
10018217
11018118
12018019
13018019
14017920
15017920
16017920
17017920
18017920
19017920
20017920
21017920
22018019
23018019
24018118
25028117
26028117
27038017
28038116
29048016
30057916
31157816

Wind in August

Winds average 12 km/h in August.

Across August, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 36 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 18 minutes over August. Sunrise moves from 5:49 AM to 5:53 AM, and sunset from 6:25 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:496:25
212.65:496:25
312.65:506:25
412.65:506:24
512.65:506:24
612.65:506:23
712.55:506:23
812.55:506:23
912.55:516:22
1012.55:516:22
1112.55:516:21
1212.55:516:21
1312.55:516:20
1412.55:516:20
1512.55:526:19
1612.55:526:19
1712.45:526:18
1812.45:526:18
1912.45:526:17
2012.45:526:17
2112.45:526:16
2212.45:526:15
2312.45:526:15
2412.45:526:14
2512.35:536:13
2612.35:536:13
2712.35:536:12
2812.35:536:12
2912.35:536:11
3012.35:536:10
3112.35:536:09

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.68 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 5.68 kWh/m² to a high of 7.37 kWh/m² in April across the year — August's 5.68 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.6Bright
105.6Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
316.0Bright
Planning a trip in August

Hazard calendar for Bol

In seasonPeak

In August, Bol sits inside its dust season. The full year is below, with each hazard's peak months called out.

Bol sees dust haze year-round, heaviest in March.

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

Is August a good time to visit Bol?

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

3.1
Sightseeing
4th-best month of the year
5.6
Beach & pool
5th-best month of the year

August is a weaker month for outdoor sightseeing in Bol.

What to pack for Bol in August

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

In August, Bol sees daytime highs around 33°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Bol in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bol peaks around August 18 at about 13 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highAug 18UV 13Dec 16UV 8
UV index (midday)Level
Jan10Very high
Feb10Extreme
Mar13Extreme
Apr11Extreme
May9Very high
Jun10Extreme
Jul11Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec7Very high

Air quality in Bol 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 Bol is worst in February — around 121 µg/m³ PM2.5 (unhealthy), about 5.1× the cleanest month (August, 24 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModerateUnhealthyFeb 12120 µg/m³Aug 2224 µg/m³
PM2.5 (µg/m³)Level
Jan116Unhealthy
Feb121Unhealthy
Mar108Unhealthy
Apr78Unhealthy
May51Poor
Jun42Poor
Jul31Moderate
Aug24Moderate
Sep25Moderate
Oct56Unhealthy
Nov73Unhealthy
Dec111Unhealthy
Location & terrain

Where is Bol?

Bol sits at 13.5°N, 14.7°E, 291 m above sea level, in Chad. The nearest listed city is Blangwa, 79 km away.

MassakoryGamboruMassaguetKukawaMongunoN'Djamena

Topography around Bol

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bol.

Within 3 km, the terrain around Bol has only modest variations in elevation — a maximum elevation change of 20 m around an average of 284 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 32 m; within 80 km, only modest variations in elevation — a maximum elevation change of 80 m.

The land around Bol is covered by grassland (42%) and wetland (29%) within 3 km, grassland (52%) and wetland (21%) within 16 km, and grassland (63%) and wetland (21%) within 80 km.

3 km
20 m
16 km
32 m
80 km
80 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetland
August weather nearby: Blangwa 79 km · Mao 97 km · Massakory 122 km · Gamboru 133 km · Massaguet 135 km · Kukawa 138 km · Monguno 149 km · N'Djamena 155 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 Bol (13.4673°, 14.7135°, elevation 291 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).