Bou Ismaïl in Winter
In winter (December, January and February), Bou Ismaïl sees average daytime highs around 15°C and overnight lows near 12°C, with 239 mm of rain over about 30 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 15°C. The sky is clear or mostly clear about 47% of the time across winter, and the air most often feels dry.
Winter is Bou Ismaïl's weakest season of the year to visit on our travel score. For the whole year in context, see Bou Ismaïl's year-round climate.
- Avg daytime high
- 15°C
- coldest season of the year
- Avg overnight low
- 12°C
- Rainfall
- 239 mm
- 30 wet days
- Avg wind
- 17 km/h
- Travel score
- 4.8
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Bou Ismaïl in Winter
Across winter, daytime highs hold fairly steady around 15°C.
A typical winter day in Bou Ismaïl reaches about 15°C and drops to 12°C overnight. The warmest of the three months is December, the coolest February.
Bou Ismaïl 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 15° / 12° | 88 | 10.5 | 9.8 | 4.6 |
| Feb | 15° / 12° | 68 | 9.4 | 10.6 | 4.6 |
| Mar | 16° / 13° | 57 | 7.7 | 11.7 | 5.4 |
| Apr | 17° / 15° | 55 | 7.7 | 12.9 | 6.2 |
| May | 20° / 17° | 38 | 4.8 | 13.9 | 7.4 |
| Jun | 23° / 20° | 6 | 1.1 | 14.5 | 8.9 |
| Jul | 25° / 23° | 1 | 0.1 | 14.2 | 9.3 |
| Aug | 26° / 24° | 5 | 1.1 | 13.4 | 8.8 |
| Sep | 25° / 22° | 22 | 4.5 | 12.2 | 8.2 |
| Oct | 22° / 19° | 53 | 6.5 | 11.1 | 7.5 |
| Nov | 18° / 16° | 96 | 11.4 | 10 | 6.0 |
| Dec | 16° / 13° | 83 | 10.3 | 9.5 | 5.2 |
Cloud cover in Winter
The sky is clear or mostly clear about 47% of the time across winter.
Chance of precipitation in Winter
Bou Ismaïl gets around 239 mm of rain over 30 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 17 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 2.9 kWh/m².
Hazard calendar for Bou Ismaïl
In winter, Bou Ismaïl overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Bou Ismaïl's rainy season runs October–April, when most of the year's rain falls.
Bou Ismaïl sees seasonal dust haze (June–July), heaviest in July.
Is winter a good time to visit Bou Ismaïl?
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 Bou Ismaïl for sightseeing.
What to pack for Bou Ismaïl in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Bou Ismaïl sees daytime highs around 15°C and nights near 12°C. Worth packing: a warm layer and rain gear. About 30 days see rain.
Sea temperature near Bou Ismaïl 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 offshore 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 4 — about 5 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 Bou Ismaïl in Winter
Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Bou Ismaïl peaks around July 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 6 | 7 | 8 | 8 | 9 | 8 | 7 | 5 | 3 | 2 |
| Level | Moderate | Moderate | High | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 7 | High |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Bou Ismaïl 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 Bou Ismaïl is worst in July — around 67 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (November, 40 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 43 | 51 | 59 | 58 | 56 | 55 | 67 | 61 | 48 | 52 | 40 | 47 |
| Level | Poor | Poor | Unhealthy | Unhealthy | Unhealthy | Poor | Unhealthy | Unhealthy | Poor | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 43 | Poor |
| Feb | 51 | Poor |
| Mar | 59 | Unhealthy |
| Apr | 58 | Unhealthy |
| May | 56 | Unhealthy |
| Jun | 55 | Poor |
| Jul | 67 | Unhealthy |
| Aug | 61 | Unhealthy |
| Sep | 48 | Poor |
| Oct | 52 | Poor |
| Nov | 40 | Poor |
| Dec | 47 | Poor |
Where is Bou Ismaïl?
Bou Ismaïl sits at 36.6°N, 2.7°E, 29 m above sea level, in Algeria. The nearest listed city is Kolea, 7.0 km away.
Topography around Bou Ismaïl
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bou Ismaïl.
Within 3 km, the terrain around Bou Ismaïl has only modest variations in elevation — a maximum elevation change of 206 m around an average of 68 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 270 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,633 m.
The land around Bou Ismaïl is covered by water (42%) and artificial surfaces (25%) within 3 km, water (48%) and cropland (20%) within 16 km, and water (34%) and grassland (22%) 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 Bou Ismaïl (36.6426°, 2.6901°, elevation 29 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.