Héliopolis weather in August

In August, Héliopolis sees average daytime highs of 34°C and overnight lows near 20°C, with 18 mm of rain across 3.8 wet days and about 13.4 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 35°C in the first days to 33°C by the end. The sky is clear or mostly clear about 76% of the time in August, and the air most often feels humid.

Daylight stretches from about 13 h 54 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Héliopolis's 2nd-clearest and 11th-windiest month. For the whole year in context, see Héliopolis's year-round climate.

Daytime high
34°
1st warmest
Overnight low
20°
12th coldest
Rainfall
18 mm
3.8 wet days
Daylight
13 h 24 min
5:52 AM – 7:16 PM
Cloud cover
23%
2nd clearest
Wind
6 km/h
11th windiest
Solar energy
6.53 kWh/m²
Travel score
3.5
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 35°C in the first days to 33°C by the end.

A typical August day in Héliopolis reaches about 34°C in the afternoon and slips back to 20°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 39°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13520
23521
33521
43521
53521
63521
73521
83521
93521
103521
113521
123521
133521
143521
153521
163521
173521
183521
193521
203420
213420
223420
233420
243420
253420
263420
273320
283320
293320
303320
313320

How August really feels in Héliopolis

Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Héliopolis weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 6610.69.84.2
Feb15° / 6010.110.64.5
Mar18° / 7310.711.75.7
Apr21° / 6810.412.96.4
May25° / 13°537.913.97.3
Jun31° / 17°183.514.45.8
Jul34° / 20°51.414.23.8
Aug34° / 20°183.813.43.5
Sep30° / 18°40812.25.5
Oct25° / 14°588.611.17.1
Nov19° / 10°639.810.16.3
Dec15° / 619.59.64.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 9%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1946
2946
3946
4946
5937
6928
7928
8919
9919
10919
11919
12919
13919
14919
15919
16919
17928
18928
19928
20919
21919
22919
23919
248911
258911
268812
278713
288713
298614
308515
318416

Chance of precipitation in August

Any precipitation

Héliopolis gets around 18 mm of rain over 3.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 12% and peaks near 21% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
16
26
37
47
58
68
79
89
910
1010
1110
1211
1311
1411
1511
1611
1711
1812
1912
2013
2113
2214
2314
2415
2516
2617
2718
2819
2920
3020
3121

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the humid band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1154035100
2153935100
3153936100
4153837100
5153737100
6153638110
7153539110
8153440111
9153340121
10153240121
11153240131
12153140131
13143140131
14143040141
15143040141
16143039142
17143039152
18143038152
19153038152
20153137152
21153136162
22153236162
23153235162
24153334162
25153433162
26153432172
27153532172
28143632171
29143632171
30143731171
31133831171

Wind in August

Winds average 6 km/h in August.

Across August, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 54 min at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over August. Sunrise moves from 5:40 AM to 6:05 AM, and sunset from 7:33 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:407:33
213.95:417:32
313.85:417:31
413.85:427:30
513.85:437:29
613.75:447:28
713.75:457:27
813.75:467:26
913.65:467:25
1013.65:477:24
1113.65:487:22
1213.55:497:21
1313.55:507:20
1413.55:517:19
1513.45:517:18
1613.45:527:16
1713.45:537:15
1813.35:547:14
1913.35:557:13
2013.35:567:11
2113.25:567:10
2213.25:577:09
2313.25:587:07
2413.15:597:06
2513.16:007:04
2613.06:017:03
2713.06:017:02
2813.06:027:00
2912.96:036:59
3012.96:046:57
3112.96:056:56

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.53 kWh/m².

For context, solar energy here swings from a low near 2.22 kWh/m² to a high of 7.46 kWh/m² in July across the year — August's 6.53 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.1Intense
27.1Intense
37.0Intense
47.0Intense
57.0Intense
66.9Intense
76.9Intense
86.8Intense
96.8Intense
106.8Intense
116.7Intense
126.7Intense
136.7Intense
146.6Intense
156.6Intense
166.5Intense
176.5Intense
186.5Intense
196.4Intense
206.4Intense
216.4Intense
226.3Intense
236.3Intense
246.2Intense
256.2Intense
266.1Intense
276.1Intense
286.0Intense
295.9Bright
305.9Bright
315.8Bright
Planning a trip in August

Hazard calendar for Héliopolis

In seasonPeak

None of Héliopolis's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Héliopolis sees seasonal dust haze (June), heaviest in June.

Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Héliopolis?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.5
Sightseeing
12th-best month of the year
7.1
Beach & pool
4th-best month of the year

August is a weaker month for outdoor sightseeing in Héliopolis. The water and warmth also suit a beach or pool day.

What to pack for Héliopolis in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Héliopolis sees daytime highs around 34°C and nights near 20°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Héliopolis in August

The nearest coast averages about 26°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 56 km away) is warmest in August at about 26°C and coldest in February near 15°C.

It's comfortable for a long swim from May 31 to Nov 17 — about 5.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar15Cool
Apr16Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Héliopolis in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Héliopolis peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 15UV 10Dec 20UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr6High
May7Very high
Jun8Very high
Jul10Very high
Aug8Very high
Sep7Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Héliopolis in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Héliopolis is worst in August — around 47 µg/m³ PM2.5 (poor), about 2.0× the cleanest month (May, 24 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateAug 1645 µg/m³May 2224 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb29Moderate
Mar29Moderate
Apr30Moderate
May24Moderate
Jun25Moderate
Jul31Moderate
Aug47Poor
Sep27Moderate
Oct27Moderate
Nov26Moderate
Dec29Moderate
Location & terrain

Where is Héliopolis?

Héliopolis sits at 36.5°N, 7.4°E, 268 m above sea level, in Algeria. The nearest listed city is Guelma, 5.0 km away.

Topography around Héliopolis

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Héliopolis.

Within 3 km, the terrain around Héliopolis has significant variations in elevation — a maximum elevation change of 331 m around an average of 270 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,293 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,593 m.

The land around Héliopolis is covered by cropland (55%) and grassland (20%) within 3 km, cropland (36%), grassland (28%) and trees (25%) within 16 km, and cropland (36%), grassland (24%) and trees (21%) within 80 km.

3 km
331 m
16 km
1,293 m
80 km
1,593 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Guelma 5.0 km · Boumahra Ahmed 8.0 km · Oued Zenati 33 km · Drean 34 km · Ahmed Bel Hadj 36 km · Berrahal 37 km · Azzaba 40 km · Besbes 42 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
Muslim 99%

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 Héliopolis (36.5036°, 7.4428°, elevation 268 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).