Bol weather in January

In January, Bol sees average daytime highs of 31°C and overnight lows near 15°C, with 0 mm of rain across 0 wet days and about 11.3 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 32°C by the end. The sky is clear or mostly clear about 69% of the time in January, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of January to 11 h 24 min by month's end. Set against the rest of the year, January is Bol's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Bol's year-round climate.

Daytime high
31°
12th warmest
Overnight low
15°
1st coldest
Rainfall
0 mm
0 wet days
Daylight
11 h 18 min
6:32 AM – 5:49 PM
Cloud cover
28%
3rd clearest
Wind
17 km/h
3rd windiest
Solar energy
5.96 kWh/m²
Travel score
6.1
out of 10

Bol is city in Chad.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 30°C in the first days to 32°C by the end.

A typical January day in Bol reaches about 31°C in the afternoon and slips back to 15°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 36°C. Set against its neighbours, January runs about 1°C cooler than December and about 3°C cooler than February.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13015
23015
33015
43015
53015
63015
73015
83015
93015
103015
113015
123015
133015
143015
153015
163115
173115
183115
193115
203115
213115
223216
233216
243216
253216
263216
273216
283216
293216
303216
313216

How January really feels in Bol

Once humidity and wind are folded in, January averages 5 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
5
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Bol weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 8th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 69% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 20%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18416
28416
38218
48218
58119
68119
78020
87921
97921
107921
117723
127723
137723
147723
157723
167723
177822
187921
197921
207921
217921
227921
237921
247921
258020
268020
278020
288020
298020
308020
318119

Chance of precipitation in January

Any precipitation

Bol gets around 0 mm of rain over 0 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 0% and peaks near 0% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 17 km/h in January.

Across January, daily wind ranges from about 17 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 12 min at the start of January to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 6:28 AM to 6:32 AM, and sunset from 5:41 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:285:41
211.26:285:41
311.26:285:42
411.26:295:42
511.26:295:43
611.26:295:44
711.26:305:44
811.26:305:45
911.26:305:45
1011.36:315:46
1111.36:315:46
1211.36:315:47
1311.36:315:47
1411.36:325:48
1511.36:325:48
1611.36:325:49
1711.36:325:50
1811.36:325:50
1911.36:325:51
2011.36:325:51
2111.36:325:52
2211.36:335:52
2311.36:335:53
2411.36:335:53
2511.36:335:54
2611.46:335:54
2711.46:335:55
2811.46:335:55
2911.46:335:56
3011.46:335:56
3111.46:325:57

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.96 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 — January's 5.96 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
166.0Bright
176.0Bright
186.0Bright
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in January

Hazard calendar for Bol

In seasonPeak

In January, 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 January a good time to visit Bol?

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

6.1
Sightseeing
1st-best month of the year
8.7
Beach & pool
1st-best month of the year

January is a reasonable time to visit Bol for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Bol in January

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

In January, Bol sees daytime highs around 31°C and nights near 15°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Bol in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 10 (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 January

GoodModeratePoorUnhealthyVery unhealthy

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