Arzew weather in July
In July, Arzew sees average daytime highs of 30°C and overnight lows near 23°C, with 1 mm of rain across 0.1 wet days and about 14.2 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.
Highs climb over the month, from about 29°C in the first days to 31°C by the end. The sky is clear or mostly clear about 88% of the time in July, and the air most often feels muggy.
Daylight stretches from about 14 h 24 min at the start of July to 13 h 54 min by month's end. Set against the rest of the year, July is Arzew's 1st-clearest and 10th-windiest month. For the whole year in context, see Arzew's year-round climate.
- Daytime high
- 30°
- 2nd warmest
- Overnight low
- 23°
- 11th coldest
- Rainfall
- 1 mm
- 0.1 wet days
- Daylight
- 14 h 12 min
- 6:01 AM – 8:13 PM
- Cloud cover
- 14%
- 1st clearest
- Wind
- 9 km/h
- 10th windiest
- Solar energy
- 7.55 kWh/m²
- Travel score
- 6.9
- out of 10
Arzew is municipality in Oran, Algeria.
- Density
- 909/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Highs climb over the month, from about 29°C in the first days to 31°C by the end.
A typical July day in Arzew reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, July runs about 3°C warmer than June and on par with August.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 22 |
| 2 | 29 | 22 |
| 3 | 29 | 22 |
| 4 | 29 | 22 |
| 5 | 29 | 22 |
| 6 | 29 | 22 |
| 7 | 29 | 22 |
| 8 | 29 | 22 |
| 9 | 29 | 22 |
| 10 | 29 | 22 |
| 11 | 29 | 23 |
| 12 | 30 | 23 |
| 13 | 30 | 23 |
| 14 | 30 | 23 |
| 15 | 30 | 23 |
| 16 | 30 | 23 |
| 17 | 30 | 23 |
| 18 | 30 | 23 |
| 19 | 30 | 23 |
| 20 | 30 | 23 |
| 21 | 30 | 23 |
| 22 | 30 | 23 |
| 23 | 30 | 23 |
| 24 | 30 | 23 |
| 25 | 31 | 23 |
| 26 | 31 | 23 |
| 27 | 31 | 23 |
| 28 | 31 | 23 |
| 29 | 31 | 23 |
| 30 | 31 | 24 |
| 31 | 31 | 24 |
How July really feels in Arzew
Once humidity and wind are folded in, July averages 11 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Arzew weather by month
How July compares with the rest of the year at a glance. July is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 16° / 10° | 46 | 8.2 | 9.8 | 5.4 |
| Feb | 16° / 11° | 38 | 7.3 | 10.6 | 5.7 |
| Mar | 18° / 12° | 40 | 6.8 | 11.7 | 6.6 |
| Apr | 20° / 14° | 37 | 6 | 12.9 | 7.2 |
| May | 23° / 17° | 22 | 3.8 | 13.9 | 8.2 |
| Jun | 27° / 20° | 5 | 1.1 | 14.4 | 8.5 |
| Jul | 30° / 23° | 1 | 0.1 | 14.2 | 6.9 |
| Aug | 31° / 23° | 4 | 0.6 | 13.4 | 6.4 |
| Sep | 28° / 21° | 16 | 3.6 | 12.2 | 7.4 |
| Oct | 24° / 18° | 30 | 5.4 | 11.1 | 7.9 |
| Nov | 20° / 14° | 58 | 7.8 | 10.1 | 6.8 |
| Dec | 17° / 12° | 42 | 7 | 9.6 | 6.1 |
Cloud cover in July
The sky is clear or mostly clear about 88% of the time in July, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 7% of July, with mostly cloudy or overcast conditions the remaining 5%. Skies tend to open up as the month goes on.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 92 | 92 | 93 | 93 | 93 | 93 | 94 | 94 | 94 | 94 | 94 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 95 |
| Cloudier (%) | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 92 | 8 |
| 2 | 92 | 8 |
| 3 | 93 | 7 |
| 4 | 93 | 7 |
| 5 | 93 | 7 |
| 6 | 93 | 7 |
| 7 | 94 | 6 |
| 8 | 94 | 6 |
| 9 | 94 | 6 |
| 10 | 94 | 6 |
| 11 | 94 | 6 |
| 12 | 95 | 5 |
| 13 | 95 | 5 |
| 14 | 95 | 5 |
| 15 | 95 | 5 |
| 16 | 95 | 5 |
| 17 | 95 | 5 |
| 18 | 95 | 5 |
| 19 | 95 | 5 |
| 20 | 96 | 4 |
| 21 | 96 | 4 |
| 22 | 96 | 4 |
| 23 | 96 | 4 |
| 24 | 96 | 4 |
| 25 | 96 | 4 |
| 26 | 96 | 4 |
| 27 | 96 | 4 |
| 28 | 96 | 4 |
| 29 | 96 | 4 |
| 30 | 96 | 4 |
| 31 | 95 | 5 |
Chance of precipitation in July
Arzew gets around 1 mm of rain over 0.1 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 0% and peaks near 1% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| Rain chance (%) | |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 0 |
| 17 | 0 |
| 18 | 0 |
| 19 | 0 |
| 20 | 0 |
| 21 | 0 |
| 22 | 0 |
| 23 | 0 |
| 24 | 0 |
| 25 | 0 |
| 26 | 0 |
| 27 | 0 |
| 28 | 1 |
| 29 | 1 |
| 30 | 1 |
| 31 | 1 |
Humidity in July
Most of July feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the muggy band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 71% of them.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | 14 | 13 | 13 | 12 | 11 | 11 | 10 | 9 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Humid (%) | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 |
| Muggy (%) | 43 | 43 | 42 | 42 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 44 | 44 | 44 | 44 | 44 | 43 | 43 | 42 | 42 | 41 | 41 | 41 | 41 | 40 | 39 | 39 | 38 | 38 | 38 | 38 |
| Oppressive (%) | 12 | 13 | 15 | 16 | 17 | 18 | 19 | 20 | 22 | 23 | 24 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 39 | 39 | 40 | 41 | 41 | 42 | 42 | 42 |
| Miserable (%) | 0 | 0 | 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 | 2 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 1 | 14 | 30 | 43 | 12 | 0 |
| 2 | 1 | 13 | 30 | 43 | 13 | 0 |
| 3 | 1 | 13 | 29 | 42 | 15 | 0 |
| 4 | 1 | 12 | 29 | 42 | 16 | 0 |
| 5 | 1 | 11 | 29 | 42 | 17 | 0 |
| 6 | 1 | 11 | 28 | 42 | 18 | 0 |
| 7 | 1 | 10 | 28 | 43 | 19 | 0 |
| 8 | 0 | 9 | 28 | 43 | 20 | 0 |
| 9 | 0 | 8 | 27 | 43 | 22 | 0 |
| 10 | 0 | 8 | 26 | 43 | 23 | 0 |
| 11 | 0 | 7 | 25 | 43 | 24 | 0 |
| 12 | 1 | 6 | 24 | 44 | 26 | 0 |
| 13 | 1 | 6 | 23 | 44 | 27 | 0 |
| 14 | 1 | 5 | 22 | 44 | 28 | 0 |
| 15 | 1 | 5 | 21 | 44 | 29 | 0 |
| 16 | 1 | 5 | 21 | 44 | 30 | 0 |
| 17 | 1 | 4 | 20 | 43 | 31 | 0 |
| 18 | 1 | 4 | 20 | 43 | 32 | 0 |
| 19 | 1 | 4 | 20 | 42 | 33 | 0 |
| 20 | 1 | 4 | 19 | 42 | 34 | 0 |
| 21 | 1 | 4 | 19 | 41 | 35 | 0 |
| 22 | 1 | 4 | 18 | 41 | 36 | 0 |
| 23 | 1 | 4 | 18 | 41 | 37 | 0 |
| 24 | 0 | 3 | 17 | 41 | 39 | 0 |
| 25 | 0 | 3 | 17 | 40 | 39 | 0 |
| 26 | 0 | 3 | 17 | 39 | 40 | 1 |
| 27 | 0 | 3 | 17 | 39 | 41 | 1 |
| 28 | 0 | 3 | 16 | 38 | 41 | 1 |
| 29 | 0 | 3 | 16 | 38 | 42 | 1 |
| 30 | 0 | 3 | 16 | 38 | 42 | 2 |
| 31 | 0 | 3 | 16 | 38 | 42 | 2 |
Wind in July
Winds average 9 km/h in July.
Across July, 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 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 | 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 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in July
Daylight runs from about 14 h 24 min at the start of July to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 30 minutes over July. Sunrise moves from 5:52 AM to 6:11 AM, and sunset from 8:17 PM to 8:03 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.1 | 14.1 | 14.1 | 14.1 | 14.0 | 14.0 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.9 |
| Sunrise (AM) | 5:52 | 5:53 | 5:53 | 5:54 | 5:54 | 5:55 | 5:55 | 5:56 | 5:56 | 5:57 | 5:57 | 5:58 | 5:59 | 5:59 | 6:00 | 6:01 | 6:01 | 6:02 | 6:03 | 6:03 | 6:04 | 6:05 | 6:05 | 6:06 | 6:07 | 6:08 | 6:08 | 6:09 | 6:10 | 6:11 | 6:11 |
| Sunset (PM) | 8:17 | 8:17 | 8:17 | 8:17 | 8:16 | 8:16 | 8:16 | 8:16 | 8:16 | 8:15 | 8:15 | 8:15 | 8:14 | 8:14 | 8:14 | 8:13 | 8:13 | 8:12 | 8:12 | 8:11 | 8:11 | 8:10 | 8:09 | 8:09 | 8:08 | 8:07 | 8:07 | 8:06 | 8:05 | 8:04 | 8:03 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.4 | 5:52 | 8:17 |
| 2 | 14.4 | 5:53 | 8:17 |
| 3 | 14.4 | 5:53 | 8:17 |
| 4 | 14.4 | 5:54 | 8:17 |
| 5 | 14.4 | 5:54 | 8:16 |
| 6 | 14.4 | 5:55 | 8:16 |
| 7 | 14.3 | 5:55 | 8:16 |
| 8 | 14.3 | 5:56 | 8:16 |
| 9 | 14.3 | 5:56 | 8:16 |
| 10 | 14.3 | 5:57 | 8:15 |
| 11 | 14.3 | 5:57 | 8:15 |
| 12 | 14.3 | 5:58 | 8:15 |
| 13 | 14.3 | 5:59 | 8:14 |
| 14 | 14.2 | 5:59 | 8:14 |
| 15 | 14.2 | 6:00 | 8:14 |
| 16 | 14.2 | 6:01 | 8:13 |
| 17 | 14.2 | 6:01 | 8:13 |
| 18 | 14.2 | 6:02 | 8:12 |
| 19 | 14.2 | 6:03 | 8:12 |
| 20 | 14.1 | 6:03 | 8:11 |
| 21 | 14.1 | 6:04 | 8:11 |
| 22 | 14.1 | 6:05 | 8:10 |
| 23 | 14.1 | 6:05 | 8:09 |
| 24 | 14.0 | 6:06 | 8:09 |
| 25 | 14.0 | 6:07 | 8:08 |
| 26 | 14.0 | 6:08 | 8:07 |
| 27 | 14.0 | 6:08 | 8:07 |
| 28 | 13.9 | 6:09 | 8:06 |
| 29 | 13.9 | 6:10 | 8:05 |
| 30 | 13.9 | 6:11 | 8:04 |
| 31 | 13.9 | 6:11 | 8:03 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 7.55 kWh/m².
For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 7.6 kWh/m² in June across the year — July's 7.55 kWh/m² sits near the top of that range.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 7.7 | 7.7 | 7.7 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.3 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.7 | Intense |
| 2 | 7.7 | Intense |
| 3 | 7.7 | Intense |
| 4 | 7.6 | Intense |
| 5 | 7.6 | Intense |
| 6 | 7.6 | Intense |
| 7 | 7.6 | Intense |
| 8 | 7.6 | Intense |
| 9 | 7.6 | Intense |
| 10 | 7.6 | Intense |
| 11 | 7.6 | Intense |
| 12 | 7.6 | Intense |
| 13 | 7.5 | Intense |
| 14 | 7.5 | Intense |
| 15 | 7.5 | Intense |
| 16 | 7.5 | Intense |
| 17 | 7.5 | Intense |
| 18 | 7.5 | Intense |
| 19 | 7.5 | Intense |
| 20 | 7.5 | Intense |
| 21 | 7.5 | Intense |
| 22 | 7.5 | Intense |
| 23 | 7.5 | Intense |
| 24 | 7.5 | Intense |
| 25 | 7.5 | Intense |
| 26 | 7.4 | Intense |
| 27 | 7.4 | Intense |
| 28 | 7.4 | Intense |
| 29 | 7.4 | Intense |
| 30 | 7.4 | Intense |
| 31 | 7.3 | Intense |
Hazard calendar for Arzew
In July, Arzew sits inside its dust season. The full year is below, with each hazard's peak months called out.
Arzew sees seasonal dust haze (July–August), heaviest in July.
Is July a good time to visit Arzew?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a reasonable time to visit Arzew for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Arzew in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Arzew sees daytime highs around 30°C and nights near 23°C. Pack light clothes and sun protection.
Sea temperature near Arzew in July
The nearest coast averages about 23°C in July — 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 Oct 30 — 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 | 16 | 17 | 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 | 16 | Cool |
| Apr | 17 | 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 Arzew in July
Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Arzew peaks around July 18 at about 9 (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 | 8 | 9 | 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 | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Arzew in July
Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.
Air quality in Arzew is worst in March — around 26 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (June, 16 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) | 17 | 21 | 26 | 20 | 16 | 16 | 19 | 19 | 22 | 20 | 17 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 21 | Moderate |
| Mar | 26 | Moderate |
| Apr | 20 | Moderate |
| May | 16 | Moderate |
| Jun | 16 | Moderate |
| Jul | 19 | Moderate |
| Aug | 19 | Moderate |
| Sep | 22 | Moderate |
| Oct | 20 | Moderate |
| Nov | 17 | Moderate |
| Dec | 18 | Moderate |
Where is Arzew?
Arzew sits at 35.9°N, 0.3°W, 10 m above sea level, in Algeria. The nearest listed city is Aïn el Bya, 5.0 km away.
Topography around Arzew
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arzew.
Within 3 km, the terrain around Arzew has only modest variations in elevation — a maximum elevation change of 227 m around an average of 59 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 627 m; within 80 km, large variations in elevation — a maximum elevation change of 1,033 m.
The land around Arzew is covered by grassland (41%), artificial surfaces (20%) and water (20%) within 3 km, water (51%) and cropland (22%) within 16 km, and water (35%), cropland (33%) and grassland (20%) 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 Arzew (35.8505°, -0.318°, elevation 10 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).