Bol weather in July

In July, Bol sees average daytime highs of 35°C and overnight lows near 27°C, with 56 mm of rain across 9.8 wet days and about 12.7 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 37°C in the first days to 34°C by the end. The sky is clear or mostly clear about 31% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 12 h 48 min at the start of July to 12 h 36 min by month's end. Set against the rest of the year, July is Bol's 11th-clearest and 7th-windiest month. For the whole year in context, see Bol's year-round climate.

Daytime high
35°
7th warmest
Overnight low
27°
10th coldest
Rainfall
56 mm
9.8 wet days
Daylight
12 h 42 min
5:45 AM – 6:28 PM
Cloud cover
55%
11th clearest
Wind
14 km/h
7th windiest
Solar energy
6.17 kWh/m²
Travel score
2.3
out of 10

Bol is city in Chad.

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 37°C in the first days to 34°C by the end.

A typical July day in Bol reaches about 35°C in the afternoon and slips back to 27°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 39°C. Set against its neighbours, July runs about 4°C cooler than June and about 3°C warmer than August.

20°25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
13827
23827
33727
43727
53727
63727
73727
83727
93627
103627
113627
123627
133627
143627
153527
163526
173526
183526
193526
203526
213526
223426
233426
243426
253426
263426
273426
283426
293426
303426
313326

How July really feels in Bol

Once humidity and wind are folded in, July 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
21 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Bol weather by month

How July compares with the rest of the year at a glance. July is the 7th-warmest and 2nd-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 24% of July, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27228
37129
47030
56931
66832
76634
86436
96238
106139
115941
125743
135743
145545
155545
165446
175347
185347
195248
205248
215149
225050
234951
244852
254852
264852
274654
284555
294456
304258
314159

Chance of precipitation in July

Any precipitation

Bol gets around 56 mm of rain over 9.8 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
118
218
319
420
520
621
722
823
924
1026
1127
1228
1330
1431
1532
1634
1735
1836
1937
2038
2138
2239
2340
2440
2541
2642
2742
2843
2944
3044
3145

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1131344390
2121244410
3121144420
4121143440
5121042451
601942471
701840491
801739521
901737541
1000635581
1100533611
1200431641
1300429652
1400327682
1500325702
1600223732
1700221752
1800219772
1900117793
2000115813
2100114823
2200112843
2300011863
2400010864
250009874
260008884
270007885
280006895
290006886
300005896
310004897

Wind in July

Winds average 14 km/h in July.

Across July, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 12 h 48 min at the start of July to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over July. Sunrise moves from 5:41 AM to 5:49 AM, and sunset from 6:28 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:416:28
212.85:416:28
312.85:416:28
412.85:426:28
512.85:426:28
612.85:426:29
712.85:436:29
812.85:436:29
912.85:436:29
1012.85:436:29
1112.85:446:29
1212.75:446:29
1312.75:446:29
1412.75:446:29
1512.75:456:29
1612.75:456:28
1712.75:456:28
1812.75:466:28
1912.75:466:28
2012.75:466:28
2112.75:466:28
2212.75:476:28
2312.75:476:28
2412.75:476:27
2512.75:476:27
2612.75:486:27
2712.65:486:27
2812.65:486:26
2912.65:486:26
3012.65:496:26
3112.65:496:26

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.17 kWh/m².

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 — July's 6.17 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.0Intense
216.0Intense
226.0Bright
236.0Bright
246.0Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in July

Hazard calendar for Bol

In seasonPeak

In July, 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 July a good time to visit Bol?

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

2.3
Sightseeing
6th-best month of the year
5.1
Beach & pool
7th-best month of the year

July is a weaker month for outdoor sightseeing in Bol.

What to pack for Bol in July

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

In July, Bol sees daytime highs around 35°C and nights near 27°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

UV index in Bol in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 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 July

GoodModeratePoorUnhealthyVery unhealthy

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