Umm Hājar weather in January

In January, Umm Hājar sees average daytime highs of 33°C and overnight lows near 17°C, with 0 mm of rain across 0 wet days and about 11.3 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 33°C in the first days to 35°C by the end. The sky is clear or mostly clear about 72% 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 Umm Hājar's 3rd-clearest and 4th-windiest month. For the whole year in context, see Umm Hājar's year-round climate.

Daytime high: 33°; 11th warmest
Overnight low: 17°; 1st coldest
Rainfall: 0 mm; 0 wet days
Daylight: 11 h 18 min; 6:12 AM – 5:29 PM
Cloud cover: 26%; 3rd clearest
Wind: 11 km/h; 4th windiest
Solar energy: 6.06 kWh/m²
Travel score: 4.4; out of 10

Umm Hājar is place in Batha, Chad.

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

← December Umm Hājar year-round climate February →Best places to visit in January

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 33°C in the first days to 35°C by the end.

A typical January day in Umm Hājar reaches about 33°C in the afternoon and slips back to 17°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 37°C. Set against its neighbours, January runs on par with December and about 3°C cooler than February.

	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)	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	34	34	34	34	34	34	34	34	34	34	35	35	35
Avg low (°C)	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	18	18	18	18	18	18	18

	Avg high (°C)	Avg low (°C)
1	33	17
2	33	17
3	33	17
4	33	17
5	33	17
6	33	17
7	33	17
8	33	17
9	33	17
10	33	17
11	33	17
12	33	17
13	33	17
14	33	17
15	33	17
16	33	17
17	33	17
18	33	17
19	34	17
20	34	17
21	34	17
22	34	17
23	34	17
24	34	17
25	34	18
26	34	18
27	34	18
28	34	18
29	35	18
30	35	18
31	35	18

How January really feels in Umm Hājar

Once humidity and wind are folded in, January 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Umm Hājar weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	33° / 17°	0	0	11.3	4.4
Feb	36° / 20°	0	0	11.6	2.6
Mar	39° / 23°	0	0	11.9	0.5
Apr	41° / 26°	2	1	12.3	0.0
May	41° / 28°	10	3.1	12.6	0.0
Jun	39° / 27°	24	7	12.8	0.5
Jul	35° / 25°	117	18.2	12.7	2.0
Aug	32° / 23°	217	23.6	12.4	2.8
Sep	34° / 24°	67	10.9	12.1	2.7
Oct	38° / 24°	8	2.3	11.7	1.4
Nov	37° / 22°	0	0	11.4	2.2
Dec	34° / 18°	0	0	11.2	3.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 18%.

	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 (%)	86	86	85	85	85	85	84	84	84	83	83	83	82	82	82	82	82	82	80	80	80	80	80	79	80	80	79	79	80	80	80
Cloudier (%)	14	14	15	15	15	15	16	16	16	17	17	17	18	18	18	18	18	18	20	20	20	20	20	21	20	20	21	21	20	20	20

	Clearer (%)	Cloudier (%)
1	86	14
2	86	14
3	85	15
4	85	15
5	85	15
6	85	15
7	84	16
8	84	16
9	84	16
10	83	17
11	83	17
12	83	17
13	82	18
14	82	18
15	82	18
16	82	18
17	82	18
18	82	18
19	80	20
20	80	20
21	80	20
22	80	20
23	80	20
24	79	21
25	80	20
26	80	20
27	79	21
28	79	21
29	80	20
30	80	20
31	80	20

Chance of precipitation in January

Any precipitation

Umm Hājar 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.

	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 (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0

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.

	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 (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in January

Winds average 11 km/h in January.

Across January, 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.

	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)	10	10	10	10	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	10	calm
2	10	calm
3	10	calm
4	10	calm
5	11	calm
6	11	calm
7	11	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	11	calm
14	11	calm
15	11	calm
16	11	calm
17	11	calm
18	11	calm
19	11	calm
20	11	calm
21	11	calm
22	11	calm
23	11	calm
24	11	calm
25	11	calm
26	11	calm
27	11	calm
28	11	calm
29	11	calm
30	11	calm
31	11	calm

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 6:08 AM to 6:12 AM, and sunset from 5:21 PM to 5:37 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)	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.4	11.4	11.4	11.4	11.4	11.4	11.4	11.4
Sunrise (AM)	6:08	6:08	6:08	6:09	6:09	6:09	6:10	6:10	6:10	6:10	6:11	6:11	6:11	6:11	6:11	6:12	6:12	6:12	6:12	6:12	6:12	6:12	6:12	6:12	6:12	6:12	6:12	6:12	6:12	6:12	6:12
Sunset (PM)	5:21	5:22	5:22	5:23	5:23	5:24	5:24	5:25	5:26	5:26	5:27	5:27	5:28	5:28	5:29	5:29	5:30	5:30	5:31	5:31	5:32	5:32	5:33	5:33	5:34	5:34	5:35	5:35	5:36	5:36	5:37

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.2	6:08	5:21
2	11.2	6:08	5:22
3	11.2	6:08	5:22
4	11.2	6:09	5:23
5	11.2	6:09	5:23
6	11.2	6:09	5:24
7	11.2	6:10	5:24
8	11.3	6:10	5:25
9	11.3	6:10	5:26
10	11.3	6:10	5:26
11	11.3	6:11	5:27
12	11.3	6:11	5:27
13	11.3	6:11	5:28
14	11.3	6:11	5:28
15	11.3	6:11	5:29
16	11.3	6:12	5:29
17	11.3	6:12	5:30
18	11.3	6:12	5:30
19	11.3	6:12	5:31
20	11.3	6:12	5:31
21	11.3	6:12	5:32
22	11.3	6:12	5:32
23	11.3	6:12	5:33
24	11.4	6:12	5:33
25	11.4	6:12	5:34
26	11.4	6:12	5:34
27	11.4	6:12	5:35
28	11.4	6:12	5:35
29	11.4	6:12	5:36
30	11.4	6:12	5:36
31	11.4	6:12	5:37

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.06 kWh/m².

For context, solar energy here swings from a low near 5.4 kWh/m² to a high of 7.36 kWh/m² in April across the year — January's 6.06 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)	5.9	5.9	5.9	5.9	5.9	5.9	5.9	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.1	6.1	6.1	6.1	6.1	6.1	6.2	6.2	6.2	6.2	6.2	6.2	6.3	6.3	6.3	6.3
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	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	5.9	Bright
2	5.9	Bright
3	5.9	Bright
4	5.9	Bright
5	5.9	Bright
6	5.9	Bright
7	5.9	Bright
8	6.0	Bright
9	6.0	Bright
10	6.0	Bright
11	6.0	Bright
12	6.0	Intense
13	6.0	Intense
14	6.0	Intense
15	6.0	Intense
16	6.1	Intense
17	6.1	Intense
18	6.1	Intense
19	6.1	Intense
20	6.1	Intense
21	6.1	Intense
22	6.2	Intense
23	6.2	Intense
24	6.2	Intense
25	6.2	Intense
26	6.2	Intense
27	6.2	Intense
28	6.3	Intense
29	6.3	Intense
30	6.3	Intense
31	6.3	Intense

Planning a trip in January

Hazard calendar for Umm Hājar

In seasonPeak

None of Umm Hājar's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Umm Hājar sees seasonal dust haze (March–October), heaviest in April.

Dust

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is January a good time to visit Umm Hājar?

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

4.4

Sightseeing

1st-best month of the year

8.0

Beach & pool

1st-best month of the year

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

What to pack for Umm Hājar in January

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

In January, Umm Hājar sees daytime highs around 33°C and nights near 17°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Umm Hājar in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Umm Hājar peaks around August 16 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	9	12	11	10	10	11	11	13	11	11	9	8
Level	Very high	Extreme	Extreme	Extreme	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

	UV index (midday)	Level
Jan	9	Very high
Feb	12	Extreme
Mar	11	Extreme
Apr	10	Extreme
May	10	Very high
Jun	11	Extreme
Jul	11	Extreme
Aug	13	Extreme
Sep	11	Extreme
Oct	11	Extreme
Nov	9	Very high
Dec	8	Very high

Air quality in Umm Hājar 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 Umm Hājar is worst in March — around 71 µg/m³ PM2.5 (unhealthy), about 3.4× the cleanest month (September, 21 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)	45	53	71	53	38	37	30	21	21	28	26	35
Level	Poor	Poor	Unhealthy	Poor	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	45	Poor
Feb	53	Poor
Mar	71	Unhealthy
Apr	53	Poor
May	38	Poor
Jun	37	Poor
Jul	30	Moderate
Aug	21	Moderate
Sep	21	Moderate
Oct	28	Moderate
Nov	26	Moderate
Dec	35	Moderate

Location & terrain

Where is Umm Hājar?

Umm Hājar sits at 13.3°N, 19.7°E, 397 m above sea level, in Chad. The nearest listed city is Mangalmé, 105 km away.

Topography around Umm Hājar

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

Within 3 km, the terrain around Umm Hājar has only modest variations in elevation — a maximum elevation change of 11 m around an average of 390 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 43 m; within 80 km, significant variations in elevation — a maximum elevation change of 295 m.

The land around Umm Hājar is covered by grassland (78%) within 3 km, grassland (91%) within 16 km, and grassland (92%) within 80 km.

3 km

11 m

grassland 78%

16 km

43 m

grassland 91%

80 km

295 m

grassland 92%

treesshrubsgrasslandcroplandartificial surfacesbare terrain

← December Umm Hājar year-round climate February →Best places to visit in January

January weather nearby: Mangalmé 105 km · Abéché 136 km · Ati 147 km · Mongo 165 km · Biltine 191 km · Bitkine 217 km · Goz Beida 221 km · Am Timan 258 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 Umm Hājar (13.2954°, 19.6966°, elevation 397 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).

	Avg high (°C)	Avg low (°C)
1	33	17
2	33	17
3	33	17
4	33	17
5	33	17
6	33	17
7	33	17
8	33	17
9	33	17
10	33	17
11	33	17
12	33	17
13	33	17
14	33	17
15	33	17
16	33	17
17	33	17
18	33	17
19	34	17
20	34	17
21	34	17
22	34	17
23	34	17
24	34	17
25	34	18
26	34	18
27	34	18
28	34	18
29	35	18
30	35	18
31	35	18

	Clearer (%)	Cloudier (%)
1	86	14
2	86	14
3	85	15
4	85	15
5	85	15
6	85	15
7	84	16
8	84	16
9	84	16
10	83	17
11	83	17
12	83	17
13	82	18
14	82	18
15	82	18
16	82	18
17	82	18
18	82	18
19	80	20
20	80	20
21	80	20
22	80	20
23	80	20
24	79	21
25	80	20
26	80	20
27	79	21
28	79	21
29	80	20
30	80	20
31	80	20

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	33	17
2	33	17
3	33	17
4	33	17
5	33	17
6	33	17
7	33	17
8	33	17
9	33	17
10	33	17
11	33	17
12	33	17
13	33	17
14	33	17
15	33	17
16	33	17
17	33	17
18	33	17
19	34	17
20	34	17
21	34	17
22	34	17
23	34	17
24	34	17
25	34	18
26	34	18
27	34	18
28	34	18
29	35	18
30	35	18
31	35	18

	Clearer (%)	Cloudier (%)
1	86	14
2	86	14
3	85	15
4	85	15
5	85	15
6	85	15
7	84	16
8	84	16
9	84	16
10	83	17
11	83	17
12	83	17
13	82	18
14	82	18
15	82	18
16	82	18
17	82	18
18	82	18
19	80	20
20	80	20
21	80	20
22	80	20
23	80	20
24	79	21
25	80	20
26	80	20
27	79	21
28	79	21
29	80	20
30	80	20
31	80	20

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	33	17
2	33	17
3	33	17
4	33	17
5	33	17
6	33	17
7	33	17
8	33	17
9	33	17
10	33	17
11	33	17
12	33	17
13	33	17
14	33	17
15	33	17
16	33	17
17	33	17
18	33	17
19	34	17
20	34	17
21	34	17
22	34	17
23	34	17
24	34	17
25	34	18
26	34	18
27	34	18
28	34	18
29	35	18
30	35	18
31	35	18

	Clearer (%)	Cloudier (%)
1	86	14
2	86	14
3	85	15
4	85	15
5	85	15
6	85	15
7	84	16
8	84	16
9	84	16
10	83	17
11	83	17
12	83	17
13	82	18
14	82	18
15	82	18
16	82	18
17	82	18
18	82	18
19	80	20
20	80	20
21	80	20
22	80	20
23	80	20
24	79	21
25	80	20
26	80	20
27	79	21
28	79	21
29	80	20
30	80	20
31	80	20

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100