Aïn Defla in Winter
In winter (December, January and February), Aïn Defla sees average daytime highs around 14°C and overnight lows near 5°C, with 173 mm of precipitation over about 27 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 14°C. The sky is clear or mostly clear about 38% of the time across winter, and the air most often feels dry.
Winter is Aïn Defla's weakest season of the year to visit on our travel score. For the whole year in context, see Aïn Defla's year-round climate.
- Avg daytime high
- 14°C
- coldest season of the year
- Avg overnight low
- 5°C
- Precipitation
- 173 mm
- 27 wet days
- Avg wind
- 9 km/h
- Travel score
- 4.4
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Aïn Defla in Winter
Across winter, daytime highs hold fairly steady around 14°C.
A typical winter day in Aïn Defla reaches about 14°C and drops to 5°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Aïn Defla
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter 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 the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 14° / 4° | 61 | 9.5 | 0.3 | 9.8 | 4.1 |
| Feb | 15° / 5° | 56 | 9.1 | 0.5 | 10.6 | 4.5 |
| Mar | 17° / 7° | 66 | 9.2 | 0.2 | 11.7 | 5.9 |
| Apr | 20° / 9° | 60 | 8.7 | 0 | 12.9 | 6.7 |
| May | 25° / 13° | 44 | 6.6 | 0 | 13.9 | 7.6 |
| Jun | 30° / 17° | 10 | 2.1 | 0 | 14.4 | 6.5 |
| Jul | 34° / 21° | 4 | 1 | 0 | 14.2 | 4.0 |
| Aug | 34° / 21° | 9 | 2.6 | 0 | 13.4 | 3.8 |
| Sep | 29° / 18° | 30 | 5.6 | 0 | 12.2 | 6.1 |
| Oct | 24° / 14° | 40 | 6.5 | 0 | 11.1 | 7.5 |
| Nov | 18° / 9° | 64 | 9.6 | 0 | 10.1 | 6.0 |
| Dec | 15° / 6° | 56 | 8.5 | 0.2 | 9.6 | 4.7 |
Cloud cover in Winter
The sky is clear or mostly clear about 38% of the time across winter.
Chance of precipitation in Winter
Aïn Defla gets around 173 mm of rain and snow over 27 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 9 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 42 min in early December to 11 h 06 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.8 kWh/m².
Hazard calendar for Aïn Defla
None of Aïn Defla's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Aïn Defla sees seasonal dust haze (June–July), heaviest in July.
Is winter a good time to visit Aïn Defla?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Aïn Defla for sightseeing.
What to pack for Aïn Defla in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Aïn Defla sees daytime highs around 14°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 27 days see rain.
Sea temperature near Aïn Defla in Winter
The nearest coast averages about 16°C across winter — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 15 | 15 | 16 | 18 | 21 | 24 | 25 | 24 | 22 | 19 | 17 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 15 | Cool |
| Mar | 15 | Cool |
| Apr | 16 | Cool |
| May | 18 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Refreshing |
| Aug | 25 | Warm |
| Sep | 24 | Warm |
| Oct | 22 | Refreshing |
| Nov | 19 | Cool |
| Dec | 17 | Cool |
UV index in Aïn Defla in Winter
Clear-sky midday UV across winter averages around 3. 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 6 | 7 | 8 | 8 | 10 | 9 | 7 | 5 | 3 | 2 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Very high | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 7 | Very high |
| May | 8 | Very high |
| Jun | 8 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Aïn Defla in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 25 | 27 | 31 | 28 | 26 | 27 | 38 | 34 | 34 | 29 | 24 | 26 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 25 | Moderate |
| Feb | 27 | Moderate |
| Mar | 31 | Moderate |
| Apr | 28 | Moderate |
| May | 26 | Moderate |
| Jun | 27 | Moderate |
| Jul | 38 | Poor |
| Aug | 34 | Moderate |
| Sep | 34 | Moderate |
| Oct | 29 | Moderate |
| Nov | 24 | Moderate |
| Dec | 26 | Moderate |
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.
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
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.