Umm Hājar weather in April

In April, Umm Hājar sees average daytime highs of 41°C and overnight lows near 26°C, with 2 mm of rain across 1 wet days and about 12.3 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 41°C through the month. The sky is clear or mostly clear about 65% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 30 min by month's end. Set against the rest of the year, April is Umm Hājar's 6th-clearest and 3rd-windiest month. For the whole year in context, see Umm Hājar's year-round climate.

Daytime high
41°
1st warmest
Overnight low
26°
10th coldest
Rainfall
2 mm
1 wet days
Daylight
12 h 18 min
5:33 AM – 5:50 PM
Cloud cover
32%
6th clearest
Wind
11 km/h
3rd windiest
Solar energy
7.36 kWh/m²
Travel score
0.0
out of 10

Umm Hājar is place in Batha, Chad.

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 41°C through the month.

A typical April day in Umm Hājar reaches about 41°C in the afternoon and slips back to 26°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 39°C and 43°C. Set against its neighbours, April runs about 2°C warmer than March and on par with May.

20°25°30°35°40°45°151015202530
Avg high (°C)Avg low (°C)
14125
24125
34125
44125
54126
64126
74126
84126
94126
104126
114126
124126
134126
144126
154127
164127
174127
184127
194127
204127
214127
224127
234127
244127
254127
264127
274127
284127
294127
304127

How April really feels in Umm Hājar

Once humidity and wind are folded in, April averages 30 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
30
30 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Umm Hājar weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 17°0011.34.4
Feb36° / 20°0011.62.6
Mar39° / 23°0011.90.5
Apr41° / 26°2112.30.0
May41° / 28°103.112.60.0
Jun39° / 27°24712.80.5
Jul35° / 25°11718.212.72.0
Aug32° / 23°21723.612.42.8
Sep34° / 24°6710.912.12.7
Oct38° / 24°82.311.71.4
Nov37° / 22°0011.42.2
Dec34° / 18°0011.23.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 21%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17822
28020
38020
48020
57921
67921
77921
87921
97921
107921
117921
128020
138020
148020
158020
168020
178020
188020
198020
207921
217921
227921
237822
247822
257822
267822
277822
287723
297624
307624

Chance of precipitation in April

Any precipitation

Umm Hājar gets around 2 mm of rain over 1 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 3% and peaks near 6% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
61
71
81
92
102
112
123
133
143
153
164
174
184
194
205
215
225
235
245
255
265
276
286
296
306

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
198200
298200
398200
497300
597300
695410
795410
894510
992620
1092620
1190730
1288741
1387841
1486851
1585951
16831061
17831061
18811171
19801172
20791182
21781282
22771292
23761293
247413103
257413103
267214113
277014124
286915124
296815134
306716134

Wind in April

Winds average 11 km/h in April.

Across April, 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.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over April. Sunrise moves from 5:43 AM to 5:25 AM, and sunset from 5:49 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:435:49
212.15:425:49
312.15:415:49
412.15:405:49
512.25:405:49
612.25:395:50
712.25:385:50
812.25:385:50
912.25:375:50
1012.25:365:50
1112.25:365:50
1212.25:355:50
1312.35:345:50
1412.35:345:50
1512.35:335:50
1612.35:335:50
1712.35:325:50
1812.35:315:51
1912.35:315:51
2012.35:305:51
2112.45:305:51
2212.45:295:51
2312.45:285:51
2412.45:285:51
2512.45:275:51
2612.45:275:52
2712.45:265:52
2812.45:265:52
2912.45:255:52
3012.55:255:52

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 7.36 kWh/m² — the sunniest month for solar.

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 — April's 7.36 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.4Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.4Intense
97.4Intense
107.4Intense
117.4Intense
127.4Intense
137.4Intense
147.4Intense
157.4Intense
167.4Intense
177.4Intense
187.3Intense
197.3Intense
207.3Intense
217.3Intense
227.3Intense
237.3Intense
247.3Intense
257.3Intense
267.3Intense
277.2Intense
287.2Intense
297.2Intense
307.2Intense
Planning a trip in April

Hazard calendar for Umm Hājar

In seasonPeak

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

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 April a good time to visit Umm Hājar?

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

0.0
Sightseeing
11th-best month of the year
2.2
Beach & pool
12th-best month of the year

April is a weaker month for outdoor sightseeing in Umm Hājar.

What to pack for Umm Hājar in April

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

In April, Umm Hājar sees daytime highs around 41°C and nights near 26°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Umm Hājar in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highAug 16UV 13Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar11Extreme
Apr10Extreme
May10Very high
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Umm Hājar in April

GoodModeratePoorUnhealthyVery unhealthy

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModerateMar 1768 µg/m³Sep 1021 µg/m³
PM2.5 (µg/m³)Level
Jan45Poor
Feb53Poor
Mar71Unhealthy
Apr53Poor
May38Poor
Jun37Poor
Jul30Moderate
Aug21Moderate
Sep21Moderate
Oct28Moderate
Nov26Moderate
Dec35Moderate
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.

MangalméAbéchéAtiMongoBiltineBitkineGoz BeidaAm Timan

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
16 km
43 m
80 km
295 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
April 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
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 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).