Umm Hājar weather in July

In July, Umm Hājar sees average daytime highs of 35°C and overnight lows near 25°C, with 117 mm of rain across 18.2 wet days and about 12.7 hours of daylight. It is the 8th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 37°C in the first days to 33°C by the end. The sky is clear or mostly clear about 17% 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 Umm Hājar's 11th-clearest and 7th-windiest month. For the whole year in context, see Umm Hājar's year-round climate.

Daytime high
35°
8th warmest
Overnight low
25°
9th coldest
Rainfall
117 mm
18.2 wet days
Daylight
12 h 42 min
5:25 AM – 6:08 PM
Cloud cover
62%
11th clearest
Wind
10 km/h
7th windiest
Solar energy
5.88 kWh/m²
Travel score
2.0
out of 10

Umm Hājar is place in Batha, Chad.

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 37°C in the first days to 33°C by the end.

A typical July day in Umm Hājar reaches about 35°C in the afternoon and slips back to 25°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 38°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)
13726
23726
33726
43726
53726
63726
73626
83626
93626
103625
113625
123525
133525
143525
153525
163525
173525
183425
193425
203425
213424
223424
233424
243324
253324
263324
273324
283324
293324
303324
313324

How July really feels in Umm Hājar

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
9 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.

Umm Hājar weather by month

How July compares with the rest of the year at a glance. July is the 8th-warmest and 2nd-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 29% of July, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
35842
45842
55743
65644
75545
85446
95248
105149
115149
124951
134951
144852
154654
164654
174555
184456
194357
204357
214258
224159
234159
243961
253961
263862
273664
283664
293466
303268
313268

Chance of precipitation in July

Any precipitation

Umm Hājar gets around 117 mm of rain over 18.2 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 59% and peaks near 73% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
140
241
342
443
545
646
748
850
952
1054
1156
1258
1359
1461
1562
1663
1764
1865
1965
2066
2167
2267
2368
2468
2568
2669
2769
2870
2971
3072
3173

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
138184625
237174527
327164529
427164531
526154433
616144336
716134238
815124141
915114044
1014103947
110483751
120373654
130373456
140263260
150253162
160242965
170142768
180132670
190132472
200122275
210022177
220011980
230011881
240011683
250011584
260011386
270011287
280011188
290001090
30000892
31000793

Wind in July

Winds average 10 km/h in July.

Across July, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:21 AM to 5:29 AM, and sunset from 6:08 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:216:08
212.85:226:08
312.85:226:08
412.85:226:08
512.85:226:08
612.85:236:08
712.85:236:08
812.85:236:08
912.75:236:08
1012.75:246:08
1112.75:246:08
1212.75:246:08
1312.75:256:08
1412.75:256:08
1512.75:256:08
1612.75:256:08
1712.75:266:08
1812.75:266:08
1912.75:266:08
2012.75:266:08
2112.75:276:08
2212.75:276:08
2312.75:276:07
2412.75:286:07
2512.75:286:07
2612.65:286:07
2712.65:286:07
2812.65:296:06
2912.65:296:06
3012.65:296:06
3112.65:296:05

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.88 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 — July's 5.88 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.2Intense
36.2Intense
46.2Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.0Intense
106.0Intense
116.0Bright
126.0Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.6Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in July

Hazard calendar for Umm Hājar

In seasonPeak

In July, 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 July a good time to visit Umm Hājar?

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

2.0
Sightseeing
7th-best month of the year
4.3
Beach & pool
8th-best month of the year

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

What to pack for Umm Hājar in July

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

In July, Umm Hājar sees daytime highs around 35°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Umm Hājar 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 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 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 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
July 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).