Chlef weather in April
In April, Chlef sees average daytime highs of 21°C and overnight lows near 11°C, with 50 mm of rain across 8.2 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.
Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 45% of the time in April, and the air most often feels dry.
Daylight stretches from about 12 h 18 min at the start of April to 13 h 24 min by month's end. Set against the rest of the year, April is Chlef's 7th-clearest and 1st-windiest month. For the whole year in context, see Chlef's year-round climate.
- Daytime high
- 21°
- 7th warmest
- Overnight low
- 11°
- 6th coldest
- Rainfall
- 50 mm
- 8.2 wet days
- Daylight
- 12 h 54 min
- 6:27 AM – 7:22 PM
- Cloud cover
- 46%
- 7th clearest
- Wind
- 10 km/h
- 1st windiest
- Solar energy
- 6.02 kWh/m²
- Travel score
- 6.9
- out of 10
Chlef is city in Algeria.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in April
Highs climb over the month, from about 20°C in the first days to 22°C by the end.
A typical April day in Chlef reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 25°C. Set against its neighbours, April runs about 3°C warmer than March and about 4°C cooler than May.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg low (°C) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 19 | 10 |
| 2 | 19 | 10 |
| 3 | 20 | 10 |
| 4 | 20 | 10 |
| 5 | 20 | 10 |
| 6 | 20 | 10 |
| 7 | 20 | 10 |
| 8 | 20 | 10 |
| 9 | 20 | 10 |
| 10 | 20 | 10 |
| 11 | 20 | 10 |
| 12 | 20 | 10 |
| 13 | 20 | 11 |
| 14 | 20 | 11 |
| 15 | 20 | 11 |
| 16 | 20 | 11 |
| 17 | 21 | 11 |
| 18 | 21 | 11 |
| 19 | 21 | 11 |
| 20 | 21 | 11 |
| 21 | 21 | 11 |
| 22 | 21 | 11 |
| 23 | 21 | 12 |
| 24 | 21 | 12 |
| 25 | 22 | 12 |
| 26 | 22 | 12 |
| 27 | 22 | 12 |
| 28 | 22 | 12 |
| 29 | 22 | 12 |
| 30 | 22 | 12 |
How April really feels in Chlef
Once humidity and wind are folded in, April 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.
April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Chlef weather by month
How April compares with the rest of the year at a glance. April is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 15° / 6° | 55 | 8.9 | 9.8 | 4.7 |
| Feb | 16° / 7° | 51 | 8.3 | 10.6 | 5.1 |
| Mar | 18° / 9° | 52 | 8 | 11.7 | 6.3 |
| Apr | 21° / 11° | 50 | 8.2 | 12.9 | 6.9 |
| May | 25° / 14° | 35 | 5.4 | 13.9 | 7.9 |
| Jun | 30° / 19° | 7 | 1.5 | 14.4 | 6.9 |
| Jul | 33° / 22° | 1 | 0.3 | 14.2 | 4.6 |
| Aug | 33° / 22° | 6 | 1.1 | 13.4 | 4.4 |
| Sep | 29° / 19° | 23 | 4.3 | 12.2 | 6.4 |
| Oct | 25° / 15° | 37 | 6.1 | 11.1 | 7.6 |
| Nov | 19° / 11° | 64 | 9.4 | 10.1 | 6.3 |
| Dec | 16° / 8° | 49 | 8 | 9.6 | 5.3 |
Cloud cover in April
The sky is clear or mostly clear about 45% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 20% of April, with mostly cloudy or overcast conditions the remaining 35%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 66 | 67 | 67 | 67 | 66 | 66 | 66 | 65 | 65 | 65 | 64 | 65 | 64 | 64 | 64 | 63 | 63 | 63 | 64 | 64 | 64 | 64 | 65 | 66 | 67 | 67 | 67 | 68 | 68 | 68 |
| Cloudier (%) | 34 | 33 | 33 | 33 | 34 | 34 | 34 | 35 | 35 | 35 | 36 | 35 | 36 | 36 | 36 | 37 | 37 | 37 | 36 | 36 | 36 | 36 | 35 | 34 | 33 | 33 | 33 | 32 | 32 | 32 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 66 | 34 |
| 2 | 67 | 33 |
| 3 | 67 | 33 |
| 4 | 67 | 33 |
| 5 | 66 | 34 |
| 6 | 66 | 34 |
| 7 | 66 | 34 |
| 8 | 65 | 35 |
| 9 | 65 | 35 |
| 10 | 65 | 35 |
| 11 | 64 | 36 |
| 12 | 65 | 35 |
| 13 | 64 | 36 |
| 14 | 64 | 36 |
| 15 | 64 | 36 |
| 16 | 63 | 37 |
| 17 | 63 | 37 |
| 18 | 63 | 37 |
| 19 | 64 | 36 |
| 20 | 64 | 36 |
| 21 | 64 | 36 |
| 22 | 64 | 36 |
| 23 | 65 | 35 |
| 24 | 66 | 34 |
| 25 | 67 | 33 |
| 26 | 67 | 33 |
| 27 | 67 | 33 |
| 28 | 68 | 32 |
| 29 | 68 | 32 |
| 30 | 68 | 32 |
Chance of precipitation in April
Chlef gets around 50 mm of rain over 8.2 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 27% and peaks near 28% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 25 |
| Rain chance (%) | |
|---|---|
| 1 | 26 |
| 2 | 26 |
| 3 | 26 |
| 4 | 26 |
| 5 | 27 |
| 6 | 27 |
| 7 | 27 |
| 8 | 27 |
| 9 | 27 |
| 10 | 28 |
| 11 | 28 |
| 12 | 28 |
| 13 | 28 |
| 14 | 28 |
| 15 | 28 |
| 16 | 28 |
| 17 | 28 |
| 18 | 28 |
| 19 | 28 |
| 20 | 27 |
| 21 | 27 |
| 22 | 27 |
| 23 | 27 |
| 24 | 27 |
| 25 | 26 |
| 26 | 26 |
| 27 | 26 |
| 28 | 25 |
| 29 | 25 |
| 30 | 25 |
Humidity in April
Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the dry band about 90% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 98 | 97 | 97 | 97 | 96 | 96 | 95 | 95 | 94 | 94 | 93 | 92 | 92 | 91 | 90 | 90 | 89 | 88 | 88 | 87 | 86 | 86 | 85 | 84 | 83 | 82 | 81 | 81 | 80 | 79 |
| Comfortable (%) | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 8 | 8 | 9 | 10 | 10 | 11 | 12 | 12 | 13 | 14 | 14 | 15 | 15 | 16 | 17 | 18 | 18 | 19 | 20 |
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 98 | 2 | 0 |
| 2 | 97 | 3 | 0 |
| 3 | 97 | 3 | 0 |
| 4 | 97 | 3 | 0 |
| 5 | 96 | 4 | 0 |
| 6 | 96 | 4 | 0 |
| 7 | 95 | 5 | 0 |
| 8 | 95 | 5 | 0 |
| 9 | 94 | 6 | 0 |
| 10 | 94 | 6 | 0 |
| 11 | 93 | 7 | 0 |
| 12 | 92 | 8 | 0 |
| 13 | 92 | 8 | 0 |
| 14 | 91 | 9 | 0 |
| 15 | 90 | 10 | 0 |
| 16 | 90 | 10 | 0 |
| 17 | 89 | 11 | 0 |
| 18 | 88 | 12 | 0 |
| 19 | 88 | 12 | 0 |
| 20 | 87 | 13 | 0 |
| 21 | 86 | 14 | 0 |
| 22 | 86 | 14 | 0 |
| 23 | 85 | 15 | 0 |
| 24 | 84 | 15 | 1 |
| 25 | 83 | 16 | 1 |
| 26 | 82 | 17 | 1 |
| 27 | 81 | 18 | 1 |
| 28 | 81 | 18 | 1 |
| 29 | 80 | 19 | 1 |
| 30 | 79 | 20 | 1 |
Wind in April
Winds average 10 km/h in April, the windiest month of the year.
Across April, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
Sunrise & sunset in April
Daylight runs from about 12 h 18 min at the start of April to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 66 minutes over April. Sunrise moves from 6:49 AM to 6:09 AM, and sunset from 7:10 PM to 7:35 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.3 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 13.0 | 13.0 | 13.0 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 | 13.4 | 13.4 | 13.4 |
| Sunrise (AM) | 6:49 | 6:48 | 6:46 | 6:45 | 6:43 | 6:42 | 6:40 | 6:39 | 6:37 | 6:36 | 6:34 | 6:33 | 6:32 | 6:30 | 6:29 | 6:27 | 6:26 | 6:25 | 6:23 | 6:22 | 6:21 | 6:19 | 6:18 | 6:17 | 6:15 | 6:14 | 6:13 | 6:12 | 6:11 | 6:09 |
| Sunset (PM) | 7:10 | 7:10 | 7:11 | 7:12 | 7:13 | 7:14 | 7:15 | 7:16 | 7:16 | 7:17 | 7:18 | 7:19 | 7:20 | 7:21 | 7:22 | 7:22 | 7:23 | 7:24 | 7:25 | 7:26 | 7:27 | 7:28 | 7:28 | 7:29 | 7:30 | 7:31 | 7:32 | 7:33 | 7:34 | 7:35 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.3 | 6:49 | 7:10 |
| 2 | 12.4 | 6:48 | 7:10 |
| 3 | 12.4 | 6:46 | 7:11 |
| 4 | 12.5 | 6:45 | 7:12 |
| 5 | 12.5 | 6:43 | 7:13 |
| 6 | 12.5 | 6:42 | 7:14 |
| 7 | 12.6 | 6:40 | 7:15 |
| 8 | 12.6 | 6:39 | 7:16 |
| 9 | 12.7 | 6:37 | 7:16 |
| 10 | 12.7 | 6:36 | 7:17 |
| 11 | 12.7 | 6:34 | 7:18 |
| 12 | 12.8 | 6:33 | 7:19 |
| 13 | 12.8 | 6:32 | 7:20 |
| 14 | 12.8 | 6:30 | 7:21 |
| 15 | 12.9 | 6:29 | 7:22 |
| 16 | 12.9 | 6:27 | 7:22 |
| 17 | 13.0 | 6:26 | 7:23 |
| 18 | 13.0 | 6:25 | 7:24 |
| 19 | 13.0 | 6:23 | 7:25 |
| 20 | 13.1 | 6:22 | 7:26 |
| 21 | 13.1 | 6:21 | 7:27 |
| 22 | 13.1 | 6:19 | 7:28 |
| 23 | 13.2 | 6:18 | 7:28 |
| 24 | 13.2 | 6:17 | 7:29 |
| 25 | 13.2 | 6:15 | 7:30 |
| 26 | 13.3 | 6:14 | 7:31 |
| 27 | 13.3 | 6:13 | 7:32 |
| 28 | 13.4 | 6:12 | 7:33 |
| 29 | 13.4 | 6:11 | 7:34 |
| 30 | 13.4 | 6:09 | 7:35 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 6.02 kWh/m².
For context, solar energy here swings from a low near 2.31 kWh/m² to a high of 7.62 kWh/m² in July across the year — April's 6.02 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.6 | Bright |
| 2 | 5.6 | Bright |
| 3 | 5.7 | Bright |
| 4 | 5.7 | Bright |
| 5 | 5.7 | Bright |
| 6 | 5.8 | Bright |
| 7 | 5.8 | Bright |
| 8 | 5.8 | Bright |
| 9 | 5.8 | Bright |
| 10 | 5.9 | Bright |
| 11 | 5.9 | Bright |
| 12 | 5.9 | Bright |
| 13 | 5.9 | Bright |
| 14 | 6.0 | Bright |
| 15 | 6.0 | Bright |
| 16 | 6.0 | Intense |
| 17 | 6.0 | Intense |
| 18 | 6.1 | Intense |
| 19 | 6.1 | Intense |
| 20 | 6.1 | Intense |
| 21 | 6.1 | Intense |
| 22 | 6.2 | Intense |
| 23 | 6.2 | Intense |
| 24 | 6.2 | Intense |
| 25 | 6.3 | Intense |
| 26 | 6.3 | Intense |
| 27 | 6.3 | Intense |
| 28 | 6.3 | Intense |
| 29 | 6.4 | Intense |
| 30 | 6.4 | Intense |
Hazard calendar for Chlef
None of Chlef's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Chlef sees seasonal dust haze (July–August), heaviest in July.
Is April a good time to visit Chlef?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a reasonable time to visit Chlef for sightseeing.
What to pack for Chlef in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Chlef sees daytime highs around 21°C and nights near 11°C. Pack sun protection. Worth having: rain gear. About 8 days see rain.
Sea temperature near Chlef in April
The nearest coast averages about 16°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 47 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 8 to Nov 1 — about 4.8 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 | 23 | 25 | 24 | 21 | 19 | 17 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Warm | Refreshing | 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 | 23 | Refreshing |
| Aug | 25 | Warm |
| Sep | 24 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 19 | Cool |
| Dec | 17 | Cool |
UV index in Chlef in April
Clear-sky midday UV in April 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 Chlef peaks around July 16 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 | 7 | 7 | 8 | 9 | 10 | 8 | 7 | 5 | 3 | 2 |
| Level | Moderate | Moderate | High | 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 | 7 | High |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 8 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Chlef in April
Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.
Air quality in Chlef is worst in September — around 28 µg/m³ PM2.5 (moderate), 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) | 18 | 22 | 27 | 23 | 19 | 21 | 26 | 27 | 28 | 22 | 19 | 19 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 22 | Moderate |
| Mar | 27 | Moderate |
| Apr | 23 | Moderate |
| May | 19 | Moderate |
| Jun | 21 | Moderate |
| Jul | 26 | Moderate |
| Aug | 27 | Moderate |
| Sep | 28 | Moderate |
| Oct | 22 | Moderate |
| Nov | 19 | Moderate |
| Dec | 19 | Moderate |
Where is Chlef?
Chlef sits at 36.2°N, 1.3°E, 116 m above sea level, in Algeria. The nearest listed city is Ech Chettia, 8.0 km away.
Topography around Chlef
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chlef.
Within 3 km, the terrain around Chlef has only modest variations in elevation — a maximum elevation change of 159 m around an average of 126 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 602 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,952 m.
The land around Chlef is covered by artificial surfaces (45%) and trees (21%) within 3 km, cropland (48%) and grassland (33%) within 16 km, and grassland (30%), cropland (28%) and water (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 Chlef (36.1653°, 1.3345°, elevation 116 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).