Arlit weather in December

In December, Arlit sees average daytime highs of 29°C and overnight lows near 13°C, with 0 mm of rain across 0 wet days and about 10.9 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 31°C in the first days to 28°C by the end. The sky is clear or mostly clear about 64% of the time in December, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of December to 10 h 54 min by month's end. Set against the rest of the year, December is Arlit's 12th-clearest and 12th-windiest month. For the whole year in context, see Arlit's year-round climate.

Daytime high
29°
11th warmest
Overnight low
13°
2nd coldest
Rainfall
0 mm
0 wet days
Daylight
10 h 54 min
7:00 AM – 5:53 PM
Cloud cover
31%
12th clearest
Wind
11 km/h
12th windiest
Solar energy
5.25 kWh/m²
Travel score
7.2
out of 10

Arlit is urban commune in Niger.

Density
170/km²
people per km²

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 31°C in the first days to 28°C by the end.

A typical December day in Arlit reaches about 29°C in the afternoon and slips back to 13°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 33°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
13115
23115
33115
43115
53115
63014
73014
83014
93014
103014
113014
123014
132913
142913
152913
162913
172913
182913
192913
202912
212812
222812
232812
242812
252812
262812
272812
282812
292811
302711
312711

How December really feels in Arlit

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

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Arlit weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 12°00118.1
Feb31° / 15°0011.46.1
Mar35° / 19°0011.93.2
Apr40° / 24°0012.40.5
May42° / 28°10.412.90.0
Jun42° / 29°20.713.10.0
Jul40° / 28°51.8130.0
Aug40° / 28°164.412.60.3
Sep40° / 27°41.612.10.1
Oct38° / 24°00.111.61.5
Nov33° / 17°0011.14.5
Dec29° / 13°0010.97.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 64% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27426
37426
47327
57327
67228
77228
87327
97228
107228
117327
127426
137426
147525
157525
167624
177624
187822
197822
208020
218020
228119
238119
248119
258119
268119
278020
288020
297921
307921
317822

Chance of precipitation in December

Any precipitation

Arlit gets around 0 mm of rain over 0 wet days in December. 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 December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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 December

Winds average 11 km/h in December, the calmest month.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
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
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 hours at the start of December to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:52 AM to 7:07 AM, and sunset from 5:49 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:525:49
210.96:525:49
310.96:535:49
410.96:535:49
510.96:545:50
610.96:555:50
710.96:555:50
810.96:565:50
910.96:565:51
1010.96:575:51
1110.96:575:51
1210.96:585:52
1310.96:595:52
1410.96:595:52
1510.97:005:53
1610.97:005:53
1710.97:015:53
1810.97:015:54
1910.97:025:54
2010.97:025:55
2110.97:035:55
2210.97:035:56
2310.97:045:56
2410.97:045:57
2510.97:055:57
2610.97:055:58
2710.97:055:58
2810.97:065:59
2910.97:065:59
3010.97:076:00
3110.97:076:00

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.25 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 5.25 kWh/m² to a high of 7.59 kWh/m² in May across the year — December's 5.25 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in December

Hazard calendar for Arlit

In seasonPeak

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

Arlit sees seasonal dust haze (February–October), heaviest in June.

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

Is December a good time to visit Arlit?

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

7.2
Sightseeing
2nd-best month of the year
8.9
Beach & pool
2nd-best month of the year

December is one of the better times to visit Arlit for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Arlit in December

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

In December, Arlit sees daytime highs around 29°C and nights near 13°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Arlit in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arlit peaks around March 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highMar 17UV 12Dec 20UV 7
UV index (midday)Level
Jan7Very high
Feb10Extreme
Mar12Extreme
Apr11Extreme
May8Very high
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Arlit in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Arlit is worst in June — around 73 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJun 1872 µg/m³Nov 1247 µg/m³
PM2.5 (µg/m³)Level
Jan64Unhealthy
Feb71Unhealthy
Mar72Unhealthy
Apr60Unhealthy
May65Unhealthy
Jun73Unhealthy
Jul68Unhealthy
Aug61Unhealthy
Sep46Poor
Oct51Poor
Nov46Poor
Dec64Unhealthy
Location & terrain

Where is Arlit?

Arlit sits at 18.7°N, 7.4°E, 423 m above sea level, in Niger. The nearest listed city is Alaghsas, 202 km away.

AlaghsasAgadezTchin TabaradènAbalakTanoutDakoroTahouaTamanghasset

Topography around Arlit

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

Within 3 km, the terrain around Arlit has only modest variations in elevation — a maximum elevation change of 18 m around an average of 421 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 137 m; within 80 km, large variations in elevation — a maximum elevation change of 636 m.

The land around Arlit is covered by bare terrain (96%) within 3 km, bare terrain (99%) within 16 km, and bare terrain (98%) within 80 km.

3 km
18 m
16 km
137 m
80 km
636 m
grasslandcroplandartificial surfacesbare terrain
December weather nearby: Alaghsas 202 km · Agadez 206 km · Tchin Tabaradèn 358 km · Abalak 384 km · Tanout 448 km · Dakoro 475 km · Tahoua 484 km · Tamanghasset 490 km

Niger travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type A / B / C / D / E / F
220 V · 50 Hz
Prices
≈ 36% of US
price level, 2025
GDP per capita
$775
2025
Happiness
4.9 / 10
World Happiness, 2025
Homicide rate
4.4
per 100k, 2012
Road deaths
25.5
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Muslim 96%ethnic religionist 4%Christian 0%agnostics and other 0%

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 Arlit (18.7369°, 7.3853°, elevation 423 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).