Aïn Defla weather in December

In December, Aïn Defla sees average daytime highs of 15°C and overnight lows near 6°C, with 56 mm of precipitation across 8.5 wet days and about 9.6 hours of daylight. It is the 10th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 15°C through the month. The sky is clear or mostly clear about 35% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of December to 9 h 36 min by month's end. Set against the rest of the year, December is Aïn Defla's 11th-clearest and 6th-windiest month. For the whole year in context, see Aïn Defla's year-round climate.

Daytime high
15°
10th warmest
Overnight low
3rd coldest
Precipitation
56 mm
8.5 wet days
Daylight
9 h 30 min
8:02 AM – 5:35 PM
Cloud cover
52%
11th clearest
Wind
8 km/h
6th windiest
Solar energy
2.3 kWh/m²
Travel score
4.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 15°C through the month.

A typical December day in Aïn Defla reaches about 15°C in the afternoon and slips back to 6°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 19°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1167
2167
3157
4156
5156
6156
7156
8156
9156
10156
11156
12156
13156
14156
15156
16156
17156
18156
19156
20156
21156
22146
23146
24145
25145
26145
27145
28145
29145
30145
31145

How December really feels in Aïn Defla

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.

Aïn Defla weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan14° / 619.50.39.84.1
Feb15° / 569.10.510.64.5
Mar17° / 669.20.211.75.9
Apr20° / 608.7012.96.7
May25° / 13°446.6013.97.6
Jun30° / 17°102.1014.46.5
Jul34° / 21°41014.24.0
Aug34° / 21°92.6013.43.8
Sep29° / 18°305.6012.26.1
Oct24° / 14°406.5011.17.5
Nov18° / 649.6010.16.0
Dec15° / 568.50.29.64.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35149
45149
55248
65248
75248
85347
95347
105347
115347
125347
135347
145347
155347
165347
175347
185347
195347
205347
215347
225446
235446
245446
255545
265644
275743
285743
295941
305941
316040

Chance of precipitation in December

Any precipitation

Aïn Defla gets around 56 mm of rain and snow over 8.5 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 27% and peaks near 32% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
132
231
330
430
529
628
727
827
926
1026
1126
1226
1326
1426
1526
1626
1726
1827
1927
2028
2128
2228
2328
2428
2528
2627
2727
2827
2926
3026
3126

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 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 42 min at the start of December to 9 h 36 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 7:51 AM to 8:08 AM, and sunset from 5:33 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:515:33
29.77:515:33
39.77:525:33
49.77:535:33
59.67:545:33
69.67:555:33
79.67:565:33
89.67:565:33
99.67:575:33
109.67:585:33
119.67:595:33
129.67:595:34
139.68:005:34
149.68:015:34
159.58:015:34
169.58:025:35
179.58:035:35
189.58:035:35
199.58:045:36
209.58:045:36
219.58:055:36
229.58:055:37
239.58:065:37
249.58:065:38
259.58:075:38
269.58:075:39
279.58:075:40
289.58:085:40
299.58:085:41
309.68:085:41
319.68:085:42

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.3 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.3 kWh/m² to a high of 7.59 kWh/m² in July across the year — December's 2.3 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.4Moderate
32.4Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.3Moderate
82.3Moderate
92.3Moderate
102.3Moderate
112.3Moderate
122.3Moderate
132.3Moderate
142.3Moderate
152.3Moderate
162.3Moderate
172.3Moderate
182.3Moderate
192.3Moderate
202.3Moderate
212.3Moderate
222.3Moderate
232.3Moderate
242.3Moderate
252.3Moderate
262.3Moderate
272.4Moderate
282.4Moderate
292.4Moderate
302.4Moderate
312.4Moderate
Planning a trip in December

Hazard calendar for Aïn Defla

In seasonPeak

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

Aïn Defla sees seasonal dust haze (June–July), heaviest in July.

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

Is December a good time to visit Aïn Defla?

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

4.7
Sightseeing
8th-best month of the year
0.1
Beach & pool
11th-best month of the year

December is a reasonable time to visit Aïn Defla for sightseeing.

What to pack for Aïn Defla in December

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

In December, Aïn Defla sees daytime highs around 15°C and nights near 6°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Aïn Defla in December

The nearest coast averages about 17°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 41 km away) is warmest in August at about 25°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 7 to Nov 3 — about 4.9 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr16Cool
May18Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep24Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Aïn Defla in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aïn Defla peaks around July 17 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 17UV 10Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May8Very high
Jun8Very high
Jul10Very high
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Aïn Defla 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 Aïn Defla is worst in July — around 38 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 2037 µg/m³Nov 1925 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb27Moderate
Mar31Moderate
Apr28Moderate
May26Moderate
Jun27Moderate
Jul38Poor
Aug34Moderate
Sep34Moderate
Oct29Moderate
Nov24Moderate
Dec26Moderate
Location & terrain

Where is Aïn Defla?

Aïn Defla sits at 36.3°N, 2.0°E, 264 m above sea level, in Algeria. The nearest listed city is Khemis Miliana, 23 km away.

Topography around Aïn Defla

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

Within 3 km, the terrain around Aïn Defla has large variations in elevation — a maximum elevation change of 644 m around an average of 358 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 907 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,952 m.

The land around Aïn Defla is covered by cropland (31%) and artificial surfaces (22%) within 3 km, cropland (43%) and grassland (26%) within 16 km, and grassland (28%), cropland (23%) and water (21%) within 80 km.

3 km
644 m
16 km
907 m
80 km
1,952 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Khemis Miliana 23 km · Miliana 23 km · El Abadia 25 km · El Attaf 27 km · Oued Fodda 40 km · Cherchell 43 km · Theniet el Had 44 km · Hadjout 49 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 Aïn Defla (36.264°, 1.9679°, elevation 264 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).