Boumerdas weather in May
In May, Boumerdas sees average daytime highs of 23°C and overnight lows near 15°C, with 49 mm of rain across 6.5 wet days and about 13.9 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.
Highs climb over the month, from about 21°C in the first days to 25°C by the end. The sky is clear or mostly clear about 52% of the time in May, and the air most often feels comfortable.
Daylight stretches from about 13 h 30 min at the start of May to 14 h 18 min by month's end. Set against the rest of the year, May is Boumerdas's 5th-clearest and 7th-windiest month. For the whole year in context, see Boumerdas's year-round climate.
- Daytime high
- 23°
- 6th warmest
- Overnight low
- 15°
- 7th coldest
- Rainfall
- 49 mm
- 6.5 wet days
- Daylight
- 14 hours
- 5:44 AM – 7:41 PM
- Cloud cover
- 43%
- 5th clearest
- Wind
- 11 km/h
- 7th windiest
- Solar energy
- 6.79 kWh/m²
- Travel score
- 7.7
- out of 10
Boumerdas is city in Algeria.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs climb over the month, from about 21°C in the first days to 25°C by the end.
A typical May day in Boumerdas reaches about 23°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.
| 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) | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 21 | 13 |
| 2 | 21 | 13 |
| 3 | 22 | 13 |
| 4 | 22 | 13 |
| 5 | 22 | 13 |
| 6 | 22 | 13 |
| 7 | 22 | 14 |
| 8 | 22 | 14 |
| 9 | 22 | 14 |
| 10 | 22 | 14 |
| 11 | 23 | 14 |
| 12 | 23 | 14 |
| 13 | 23 | 14 |
| 14 | 23 | 14 |
| 15 | 23 | 14 |
| 16 | 23 | 15 |
| 17 | 23 | 15 |
| 18 | 23 | 15 |
| 19 | 23 | 15 |
| 20 | 24 | 15 |
| 21 | 24 | 15 |
| 22 | 24 | 15 |
| 23 | 24 | 15 |
| 24 | 24 | 15 |
| 25 | 24 | 16 |
| 26 | 24 | 16 |
| 27 | 25 | 16 |
| 28 | 25 | 16 |
| 29 | 25 | 16 |
| 30 | 25 | 16 |
| 31 | 25 | 16 |
How May really feels in Boumerdas
Once humidity and wind are folded in, May 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.
May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Boumerdas weather by month
How May compares with the rest of the year at a glance. May is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 15° / 8° | 89 | 11.4 | 9.8 | 4.7 |
| Feb | 16° / 8° | 74 | 10.3 | 10.6 | 4.8 |
| Mar | 18° / 10° | 71 | 8.9 | 11.7 | 6.1 |
| Apr | 20° / 11° | 67 | 8.9 | 12.9 | 6.6 |
| May | 23° / 15° | 49 | 6.5 | 13.9 | 7.7 |
| Jun | 27° / 18° | 9 | 2 | 14.5 | 7.9 |
| Jul | 31° / 21° | 2 | 0.6 | 14.3 | 6.2 |
| Aug | 31° / 22° | 9 | 1.5 | 13.4 | 5.6 |
| Sep | 28° / 20° | 33 | 6 | 12.2 | 6.7 |
| Oct | 25° / 17° | 57 | 7.7 | 11 | 7.4 |
| Nov | 20° / 12° | 91 | 11.8 | 10 | 6.1 |
| Dec | 16° / 9° | 88 | 10.5 | 9.5 | 5.3 |
Cloud cover in May
The sky is clear or mostly clear about 52% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 33%. 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 (%) | 64 | 65 | 64 | 65 | 65 | 65 | 65 | 65 | 66 | 66 | 66 | 66 | 67 | 66 | 67 | 67 | 68 | 67 | 68 | 68 | 68 | 68 | 69 | 69 | 69 | 69 | 70 | 71 | 71 | 72 | 72 |
| Cloudier (%) | 36 | 35 | 36 | 35 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 33 | 34 | 33 | 33 | 32 | 33 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 30 | 29 | 29 | 28 | 28 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 64 | 36 |
| 2 | 65 | 35 |
| 3 | 64 | 36 |
| 4 | 65 | 35 |
| 5 | 65 | 35 |
| 6 | 65 | 35 |
| 7 | 65 | 35 |
| 8 | 65 | 35 |
| 9 | 66 | 34 |
| 10 | 66 | 34 |
| 11 | 66 | 34 |
| 12 | 66 | 34 |
| 13 | 67 | 33 |
| 14 | 66 | 34 |
| 15 | 67 | 33 |
| 16 | 67 | 33 |
| 17 | 68 | 32 |
| 18 | 67 | 33 |
| 19 | 68 | 32 |
| 20 | 68 | 32 |
| 21 | 68 | 32 |
| 22 | 68 | 32 |
| 23 | 69 | 31 |
| 24 | 69 | 31 |
| 25 | 69 | 31 |
| 26 | 69 | 31 |
| 27 | 70 | 30 |
| 28 | 71 | 29 |
| 29 | 71 | 29 |
| 30 | 72 | 28 |
| 31 | 72 | 28 |
Chance of precipitation in May
Boumerdas gets around 49 mm of rain over 6.5 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 21% and peaks near 30% on the wettest days. The odds ease toward the end of the month.
| 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 (%) | 30 | 29 | 28 | 28 | 27 | 26 | 25 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 14 |
| Rain chance (%) | |
|---|---|
| 1 | 30 |
| 2 | 29 |
| 3 | 28 |
| 4 | 28 |
| 5 | 27 |
| 6 | 26 |
| 7 | 25 |
| 8 | 25 |
| 9 | 24 |
| 10 | 23 |
| 11 | 22 |
| 12 | 21 |
| 13 | 20 |
| 14 | 19 |
| 15 | 19 |
| 16 | 19 |
| 17 | 19 |
| 18 | 18 |
| 19 | 18 |
| 20 | 18 |
| 21 | 18 |
| 22 | 18 |
| 23 | 17 |
| 24 | 17 |
| 25 | 17 |
| 26 | 16 |
| 27 | 16 |
| 28 | 16 |
| 29 | 15 |
| 30 | 15 |
| 31 | 14 |
Humidity in May
Most of May feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the comfortable band about 44% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 59 | 57 | 57 | 55 | 53 | 52 | 50 | 48 | 47 | 45 | 44 | 42 | 41 | 40 | 39 | 38 | 36 | 35 | 34 | 32 | 31 | 29 | 27 | 26 | 24 | 22 | 21 | 19 | 18 | 17 | 16 |
| Comfortable (%) | 36 | 37 | 37 | 38 | 39 | 40 | 41 | 41 | 42 | 43 | 44 | 44 | 45 | 45 | 46 | 46 | 46 | 47 | 47 | 47 | 48 | 48 | 48 | 48 | 48 | 47 | 47 | 47 | 46 | 45 | 44 |
| Humid (%) | 5 | 6 | 6 | 7 | 8 | 8 | 9 | 10 | 10 | 11 | 11 | 12 | 13 | 14 | 14 | 15 | 16 | 17 | 18 | 19 | 21 | 22 | 24 | 26 | 28 | 29 | 31 | 33 | 34 | 36 | 37 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 59 | 36 | 5 | 0 |
| 2 | 57 | 37 | 6 | 0 |
| 3 | 57 | 37 | 6 | 0 |
| 4 | 55 | 38 | 7 | 0 |
| 5 | 53 | 39 | 8 | 0 |
| 6 | 52 | 40 | 8 | 0 |
| 7 | 50 | 41 | 9 | 1 |
| 8 | 48 | 41 | 10 | 1 |
| 9 | 47 | 42 | 10 | 1 |
| 10 | 45 | 43 | 11 | 1 |
| 11 | 44 | 44 | 11 | 1 |
| 12 | 42 | 44 | 12 | 1 |
| 13 | 41 | 45 | 13 | 1 |
| 14 | 40 | 45 | 14 | 1 |
| 15 | 39 | 46 | 14 | 1 |
| 16 | 38 | 46 | 15 | 1 |
| 17 | 36 | 46 | 16 | 1 |
| 18 | 35 | 47 | 17 | 1 |
| 19 | 34 | 47 | 18 | 1 |
| 20 | 32 | 47 | 19 | 1 |
| 21 | 31 | 48 | 21 | 1 |
| 22 | 29 | 48 | 22 | 1 |
| 23 | 27 | 48 | 24 | 1 |
| 24 | 26 | 48 | 26 | 1 |
| 25 | 24 | 48 | 28 | 1 |
| 26 | 22 | 47 | 29 | 1 |
| 27 | 21 | 47 | 31 | 1 |
| 28 | 19 | 47 | 33 | 1 |
| 29 | 18 | 46 | 34 | 2 |
| 30 | 17 | 45 | 36 | 2 |
| 31 | 16 | 44 | 37 | 2 |
Wind in May
Winds average 11 km/h in May.
Across May, daily wind ranges from about 10 km/h on the calmest days to 11 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) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 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 | 11 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 11 | calm |
| 19 | 11 | calm |
| 20 | 11 | calm |
| 21 | 11 | calm |
| 22 | 11 | calm |
| 23 | 11 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
| 31 | 10 | calm |
Sunrise & sunset in May
Daylight runs from about 13 h 30 min at the start of May to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 48 minutes over May. Sunrise moves from 5:59 AM to 5:34 AM, and sunset from 7:28 PM to 7:53 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) | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 | 13.7 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 14.0 | 14.0 | 14.0 | 14.0 | 14.1 | 14.1 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.2 | 14.2 | 14.3 | 14.3 | 14.3 |
| Sunrise (AM) | 5:59 | 5:58 | 5:56 | 5:55 | 5:54 | 5:53 | 5:52 | 5:51 | 5:50 | 5:49 | 5:48 | 5:47 | 5:46 | 5:45 | 5:44 | 5:44 | 5:43 | 5:42 | 5:41 | 5:41 | 5:40 | 5:39 | 5:39 | 5:38 | 5:37 | 5:37 | 5:36 | 5:36 | 5:35 | 5:35 | 5:34 |
| Sunset (PM) | 7:28 | 7:29 | 7:30 | 7:31 | 7:31 | 7:32 | 7:33 | 7:34 | 7:35 | 7:36 | 7:37 | 7:38 | 7:38 | 7:39 | 7:40 | 7:41 | 7:42 | 7:43 | 7:44 | 7:44 | 7:45 | 7:46 | 7:47 | 7:48 | 7:48 | 7:49 | 7:50 | 7:51 | 7:51 | 7:52 | 7:53 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.5 | 5:59 | 7:28 |
| 2 | 13.5 | 5:58 | 7:29 |
| 3 | 13.6 | 5:56 | 7:30 |
| 4 | 13.6 | 5:55 | 7:31 |
| 5 | 13.6 | 5:54 | 7:31 |
| 6 | 13.7 | 5:53 | 7:32 |
| 7 | 13.7 | 5:52 | 7:33 |
| 8 | 13.7 | 5:51 | 7:34 |
| 9 | 13.7 | 5:50 | 7:35 |
| 10 | 13.8 | 5:49 | 7:36 |
| 11 | 13.8 | 5:48 | 7:37 |
| 12 | 13.8 | 5:47 | 7:38 |
| 13 | 13.9 | 5:46 | 7:38 |
| 14 | 13.9 | 5:45 | 7:39 |
| 15 | 13.9 | 5:44 | 7:40 |
| 16 | 14.0 | 5:44 | 7:41 |
| 17 | 14.0 | 5:43 | 7:42 |
| 18 | 14.0 | 5:42 | 7:43 |
| 19 | 14.0 | 5:41 | 7:44 |
| 20 | 14.1 | 5:41 | 7:44 |
| 21 | 14.1 | 5:40 | 7:45 |
| 22 | 14.1 | 5:39 | 7:46 |
| 23 | 14.1 | 5:39 | 7:47 |
| 24 | 14.2 | 5:38 | 7:48 |
| 25 | 14.2 | 5:37 | 7:48 |
| 26 | 14.2 | 5:37 | 7:49 |
| 27 | 14.2 | 5:36 | 7:50 |
| 28 | 14.2 | 5:36 | 7:51 |
| 29 | 14.3 | 5:35 | 7:51 |
| 30 | 14.3 | 5:35 | 7:52 |
| 31 | 14.3 | 5:34 | 7:53 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 6.79 kWh/m².
For context, solar energy here swings from a low near 2.29 kWh/m² to a high of 7.5 kWh/m² in July across the year — May's 6.79 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) | 6.4 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.1 | 7.1 | 7.1 |
| 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 | 6.4 | Intense |
| 2 | 6.5 | Intense |
| 3 | 6.5 | Intense |
| 4 | 6.5 | Intense |
| 5 | 6.5 | Intense |
| 6 | 6.6 | Intense |
| 7 | 6.6 | Intense |
| 8 | 6.7 | Intense |
| 9 | 6.7 | Intense |
| 10 | 6.7 | Intense |
| 11 | 6.7 | Intense |
| 12 | 6.8 | Intense |
| 13 | 6.8 | Intense |
| 14 | 6.8 | Intense |
| 15 | 6.8 | Intense |
| 16 | 6.8 | Intense |
| 17 | 6.8 | Intense |
| 18 | 6.8 | Intense |
| 19 | 6.9 | Intense |
| 20 | 6.9 | Intense |
| 21 | 6.9 | Intense |
| 22 | 6.9 | Intense |
| 23 | 6.9 | Intense |
| 24 | 7.0 | Intense |
| 25 | 7.0 | Intense |
| 26 | 7.0 | Intense |
| 27 | 7.0 | Intense |
| 28 | 7.0 | Intense |
| 29 | 7.1 | Intense |
| 30 | 7.1 | Intense |
| 31 | 7.1 | Intense |
Hazard calendar for Boumerdas
In May, Boumerdas sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Boumerdas's rainy season runs October–May, when most of the year's rain falls.
Boumerdas sees seasonal dust haze (June–July), heaviest in July.
Is May a good time to visit Boumerdas?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is one of the better times to visit Boumerdas for general sightseeing.
What to pack for Boumerdas in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Boumerdas sees daytime highs around 23°C and nights near 15°C. Pack sun protection. Worth having: light clothes. About 7 days see rain.
Sea temperature near Boumerdas in May
The nearest coast averages about 18°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 15 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 6 to Nov 5 — 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 Boumerdas in May
Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Boumerdas peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 | 8 | 8 | 8 | 9 | 8 | 7 | 5 | 3 | 2 |
| Level | Moderate | Moderate | High | Very 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 | 8 | Very 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 Boumerdas in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Boumerdas is worst in August — around 64 µg/m³ PM2.5 (unhealthy), 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) | 47 | 53 | 59 | 57 | 55 | 51 | 63 | 64 | 47 | 55 | 43 | 50 |
| Level | Poor | Poor | Unhealthy | Unhealthy | Poor | Poor | Unhealthy | Unhealthy | Poor | Unhealthy | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 47 | Poor |
| Feb | 53 | Poor |
| Mar | 59 | Unhealthy |
| Apr | 57 | Unhealthy |
| May | 55 | Poor |
| Jun | 51 | Poor |
| Jul | 63 | Unhealthy |
| Aug | 64 | Unhealthy |
| Sep | 47 | Poor |
| Oct | 55 | Unhealthy |
| Nov | 43 | Poor |
| Dec | 50 | Poor |
Where is Boumerdas?
Boumerdas sits at 36.8°N, 3.5°E, 5 m above sea level, in Algeria. The nearest listed city is Boudouaou, 7.0 km away.
Topography around Boumerdas
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Boumerdas.
Within 3 km, the terrain around Boumerdas has only modest variations in elevation — a maximum elevation change of 180 m around an average of 27 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 641 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,256 m.
The land around Boumerdas is covered by water (45%) and artificial surfaces (21%) within 3 km, water (41%) and trees (20%) within 16 km, and water (34%), trees (23%) and grassland (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 Boumerdas (36.7664°, 3.4772°, elevation 5 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).