Bir el Ater weather in December

In December, Bir el Ater sees average daytime highs of 12°C and overnight lows near 4°C, with 15 mm of precipitation across 3.2 wet days and about 9.7 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 13°C in the first days to 12°C by the end. The sky is clear or mostly clear about 59% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of December to 9 h 42 min by month's end. Set against the rest of the year, December is Bir el Ater's 6th-clearest and 7th-windiest month. For the whole year in context, see Bir el Ater's year-round climate.

Daytime high
12°
11th warmest
Overnight low
3rd coldest
Precipitation
15 mm
3.2 wet days
Daylight
9 h 42 min
7:33 AM – 5:14 PM
Cloud cover
37%
6th clearest
Wind
12 km/h
7th windiest
Solar energy
2.87 kWh/m²
Travel score
4.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 13°C in the first days to 12°C by the end.

A typical December day in Bir el Ater reaches about 12°C in the afternoon and slips back to 4°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 16°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1145
2145
3145
4135
5135
6135
7134
8134
9134
10134
11134
12134
13134
14124
15124
16124
17124
18124
19124
20124
21124
22124
23124
24124
25123
26123
27123
28123
29123
30123
31123

How December really feels in Bir el Ater

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 1 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
1
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Bir el Ater 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
Jan11° / 173.79.93.5
Feb13° / 132.910.74.4
Mar17° / 254.611.76.2
Apr21° / 10°254.412.87.6
May26° / 15°19413.87.9
Jun31° / 19°92.614.35.5
Jul34° / 22°51.514.13.7
Aug34° / 22°102.913.34.1
Sep29° / 18°244.712.26.8
Oct23° / 13°234.311.18.0
Nov17° / 213.810.26.3
Dec12° / 153.29.74.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 25%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27723
37723
47723
57723
67723
77723
87723
97624
107624
117624
127426
137426
147426
157327
167327
177327
187327
197327
207228
217327
227327
237327
247327
257327
267426
277426
287525
297525
307525
317525

Chance of precipitation in December

Any precipitation

Bir el Ater gets around 15 mm of rain and snow over 3.2 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 10% and peaks near 13% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
113
213
313
412
512
612
712
811
911
1011
1111
1211
1310
1410
1510
1610
179
189
199
209
219
229
239
249
259
269
279
289
299
309
319

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 12 km/h in December.

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
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 48 min at the start of December to 9 h 42 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 7:22 AM to 7:40 AM, and sunset from 5:13 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.87:225:13
29.87:235:13
39.87:245:13
49.87:255:12
59.87:265:12
69.87:265:13
79.87:275:13
89.77:285:13
99.77:295:13
109.77:295:13
119.77:305:13
129.77:315:13
139.77:325:14
149.77:325:14
159.77:335:14
169.77:335:14
179.77:345:15
189.77:355:15
199.77:355:15
209.77:365:16
219.77:365:16
229.77:375:17
239.77:375:17
249.77:385:18
259.77:385:18
269.77:385:19
279.77:395:19
289.77:395:20
299.77:395:21
309.77:405:21
319.77:405:22

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.87 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.87 kWh/m² to a high of 7.67 kWh/m² in July across the year — December's 2.87 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
33.0Moderate
43.0Moderate
53.0Moderate
63.0Moderate
72.9Moderate
82.9Moderate
92.9Moderate
102.9Moderate
112.9Moderate
122.9Moderate
132.9Moderate
142.9Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.9Moderate
232.9Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.9Moderate
282.9Moderate
292.9Moderate
302.9Moderate
313.0Moderate
Planning a trip in December

Hazard calendar for Bir el Ater

In seasonPeak

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

Bir el Ater sees seasonal dust haze (April–September), heaviest in June.

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

Is December a good time to visit Bir el Ater?

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

4.1
Sightseeing
9th-best month of the year
0.0
Beach & pool
11th-best month of the year

December is a reasonable time to visit Bir el Ater for sightseeing.

What to pack for Bir el Ater in December

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

In December, Bir el Ater sees daytime highs around 12°C and nights near 4°C. Worth packing: a warm layer. About 3 days see rain.

a warm layer

UV index in Bir el Ater in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bir el Ater peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 15UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr6High
May7Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Bir el Ater 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 Bir el Ater is worst in April — around 32 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 2131 µg/m³Dec 1722 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb22Moderate
Mar26Moderate
Apr32Moderate
May30Moderate
Jun31Moderate
Jul27Moderate
Aug27Moderate
Sep27Moderate
Oct27Moderate
Nov24Moderate
Dec22Moderate
Location & terrain

Where is Bir el Ater?

Bir el Ater sits at 34.7°N, 8.1°E, 889 m above sea level, in Algeria. The nearest listed city is Moularès, 34 km away.

Topography around Bir el Ater

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

Within 3 km, the terrain around Bir el Ater has only modest variations in elevation — a maximum elevation change of 177 m around an average of 883 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 731 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,731 m.

The land around Bir el Ater is covered by bare terrain (49%) and artificial surfaces (34%) within 3 km, bare terrain (62%) and grassland (32%) within 16 km, and bare terrain (56%) and grassland (27%) within 80 km.

3 km
177 m
16 km
731 m
80 km
1,731 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Moularès 34 km · Ar Rudayyif 41 km · Feriana 51 km · Metlaoui 57 km · Cheria 65 km · Tébessa 74 km · Gafsa 75 km · El Ksar 78 km

Algeria travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$6,051
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
69%
of population, 2024
Homicide rate
1.2
per 100k, 2023
Road deaths
20.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 468
Religion
Muslim 99%

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 Bir el Ater (34.7449°, 8.0602°, elevation 889 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).