Hennaya in Summer
In summer (June, July and August), Hennaya sees average daytime highs around 31°C and overnight lows near 19°C, with 17 mm of rain over about 3 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 27°C in early June to 32°C by late August. The sky is clear or mostly clear about 79% of the time across summer, and the air most often feels comfortable.
Summer is Hennaya's 3rd-best season to visit on our travel score. For the whole year in context, see Hennaya's year-round climate.
- Avg daytime high
- 31°C
- warmest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 17 mm
- 3 wet days
- Avg wind
- 6 km/h
- Travel score
- 5.7
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Hennaya in Summer
Over the season highs climb from about 27°C in early June to 32°C by late August.
A typical summer day in Hennaya reaches about 31°C and drops to 19°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Hennaya
Once humidity and wind are folded in, summer brings about 50 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Hennaya weather by month
How the three summer months (June, July and August) 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° / 5° | 57 | 8.9 | 9.9 | 5.1 |
| Feb | 16° / 6° | 50 | 7.4 | 10.7 | 5.6 |
| Mar | 19° / 8° | 58 | 7.6 | 11.7 | 6.6 |
| Apr | 21° / 10° | 52 | 7.6 | 12.9 | 7.0 |
| May | 24° / 13° | 35 | 4.9 | 13.8 | 7.9 |
| Jun | 29° / 17° | 10 | 1.9 | 14.3 | 7.3 |
| Jul | 33° / 20° | 2 | 0.3 | 14.1 | 5.1 |
| Aug | 33° / 21° | 5 | 1.1 | 13.3 | 4.7 |
| Sep | 29° / 18° | 22 | 4.1 | 12.2 | 6.7 |
| Oct | 24° / 14° | 39 | 6.1 | 11.1 | 7.7 |
| Nov | 19° / 9° | 58 | 7.6 | 10.2 | 6.7 |
| Dec | 16° / 7° | 43 | 7.2 | 9.7 | 5.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 79% of the time across summer.
Chance of precipitation in Summer
Hennaya gets around 17 mm of rain over 3 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 6 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 12 min in early June to 12 h 48 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 7.3 kWh/m².
Hazard calendar for Hennaya
In summer, Hennaya overlaps its dust season. The full year is below, with each hazard's peak months called out.
Hennaya sees seasonal dust haze (July–August), heaviest in July.
Is summer a good time to visit Hennaya?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Hennaya for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Hennaya in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Hennaya sees daytime highs around 31°C and nights near 19°C. Pack light clothes and sun protection.
Sea temperature near Hennaya in Summer
The nearest coast averages about 23°C across summer — 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 7 to Nov 2 — about 4.9 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 | 22 | 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 | 22 | Refreshing |
| Nov | 19 | Cool |
| Dec | 17 | Cool |
UV index in Hennaya in Summer
Clear-sky midday UV across summer averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Hennaya peaks around July 19 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 8 | 8 | 9 | 9 | 10 | 10 | 8 | 6 | 4 | 3 |
| Level | Moderate | Moderate | Very high | Very high | Very high | Very high | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 8 | Very high |
| Apr | 8 | Very high |
| May | 9 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Extreme |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Hennaya in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Hennaya is worst in March — around 20 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (January, 12 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) | 12 | 18 | 20 | 17 | 13 | 13 | 18 | 18 | 18 | 17 | 14 | 13 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 18 | Moderate |
| Mar | 20 | Moderate |
| Apr | 17 | Moderate |
| May | 13 | Moderate |
| Jun | 13 | Moderate |
| Jul | 18 | Moderate |
| Aug | 18 | Moderate |
| Sep | 18 | Moderate |
| Oct | 17 | Moderate |
| Nov | 14 | Moderate |
| Dec | 13 | Moderate |
Where is Hennaya?
Hennaya sits at 35.0°N, 1.4°W, 430 m above sea level, in Algeria. The nearest listed city is Chetouane, 7.0 km away.
Topography around Hennaya
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hennaya.
Within 3 km, the terrain around Hennaya has only modest variations in elevation — a maximum elevation change of 225 m around an average of 423 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,195 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,823 m.
The land around Hennaya is covered by cropland (51%) and grassland (21%) within 3 km, cropland (41%) and grassland (34%) within 16 km, and cropland (34%) and grassland (30%) 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 Hennaya (34.9514°, -1.3681°, elevation 430 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.