Constantine in Summer
In summer (June, July and August), Constantine sees average daytime highs around 33°C and overnight lows near 19°C, with 47 mm of rain over about 14 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 28°C in early June to 32°C by late August. The sky is clear or mostly clear about 74% of the time across summer, and the air most often feels dry.
Summer is Constantine's 3rd-best season to visit on our travel score. For the whole year in context, see Constantine's year-round climate.
- Avg daytime high
- 33°C
- warmest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 47 mm
- 14 wet days
- Avg wind
- 7 km/h
- Travel score
- 4.4
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Constantine in Summer
Over the season highs climb from about 28°C in early June to 32°C by late August.
A typical summer day in Constantine reaches about 33°C and drops to 19°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Constantine
Once humidity and wind are folded in, summer brings about 67 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.
Constantine 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 12° / 3° | 45 | 8.5 | 1.2 | 9.8 | 3.5 |
| Feb | 13° / 3° | 41 | 8.3 | 1.2 | 10.6 | 3.9 |
| Mar | 16° / 5° | 50 | 9.1 | 0.5 | 11.7 | 5.4 |
| Apr | 20° / 8° | 53 | 9.4 | 0.2 | 12.9 | 6.4 |
| May | 25° / 12° | 48 | 7.9 | 0 | 13.9 | 7.4 |
| Jun | 30° / 17° | 19 | 5.4 | 0 | 14.4 | 5.8 |
| Jul | 34° / 20° | 9 | 3.3 | 0 | 14.2 | 3.7 |
| Aug | 34° / 20° | 19 | 5.3 | 0 | 13.4 | 3.8 |
| Sep | 29° / 17° | 31 | 8 | 0 | 12.2 | 6.1 |
| Oct | 24° / 12° | 36 | 7.5 | 0 | 11.1 | 7.4 |
| Nov | 17° / 8° | 38 | 6.7 | 0 | 10.1 | 6.0 |
| Dec | 13° / 4° | 44 | 7.5 | 0.5 | 9.6 | 4.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 74% of the time across summer.
Chance of precipitation in Summer
Constantine gets around 47 mm of rain over 14 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 18 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 7.1 kWh/m².
Hazard calendar for Constantine
In summer, Constantine overlaps its dust season. The full year is below, with each hazard's peak months called out.
Constantine sees seasonal dust haze (June–July), heaviest in June.
Is summer a good time to visit Constantine?
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 Constantine for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Constantine in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Constantine sees daytime highs around 33°C and nights near 19°C. Pack light clothes and sun protection. About 14 days see rain.
Sea temperature near Constantine in Summer
The nearest coast averages about 24°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 61 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 Jun 2 to Nov 15 — about 5.5 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 | 22 | 24 | 26 | 25 | 23 | 20 | 17 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 15 | Cool |
| Mar | 15 | Cool |
| Apr | 16 | Cool |
| May | 18 | Cool |
| Jun | 22 | Refreshing |
| Jul | 24 | Warm |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 23 | Refreshing |
| Nov | 20 | Refreshing |
| Dec | 17 | Cool |
UV index in Constantine in Summer
Clear-sky midday UV across summer averages 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 Constantine 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 4 | 6 | 7 | 7 | 8 | 10 | 8 | 8 | 6 | 3 | 2 |
| Level | Moderate | Moderate | High | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 7 | High |
| May | 7 | Very high |
| Jun | 8 | Very high |
| Jul | 10 | Very high |
| Aug | 8 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Constantine 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 Constantine is worst in October — around 36 µg/m³ PM2.5 (poor), 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) | 31 | 32 | 33 | 36 | 33 | 32 | 30 | 32 | 36 | 36 | 32 | 32 |
| Level | Moderate | Moderate | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 31 | Moderate |
| Feb | 32 | Moderate |
| Mar | 33 | Moderate |
| Apr | 36 | Poor |
| May | 33 | Moderate |
| Jun | 32 | Moderate |
| Jul | 30 | Moderate |
| Aug | 32 | Moderate |
| Sep | 36 | Poor |
| Oct | 36 | Poor |
| Nov | 32 | Moderate |
| Dec | 32 | Moderate |
Where is Constantine?
Constantine sits at 36.4°N, 6.6°E, 574 m above sea level, in Algeria. The nearest listed city is Hamma Bouziane, 5.0 km away.
Topography around Constantine
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Constantine.
Within 3 km, the terrain around Constantine has significant variations in elevation — a maximum elevation change of 443 m around an average of 566 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,019 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,697 m.
The land around Constantine is covered by artificial surfaces (47%), grassland (23%) and trees (21%) within 3 km, cropland (49%) and grassland (31%) within 16 km, and cropland (43%) and grassland (27%) 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 Constantine (36.365°, 6.6147°, elevation 574 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.