Den Den in Summer
In summer (June, July and August), Den Den sees average daytime highs around 33°C and overnight lows near 22°C, with 22 mm of rain over about 5 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 29°C in early June to 33°C by late August. The sky is clear or mostly clear about 84% of the time across summer, and the air most often feels humid.
Summer is Den Den's weakest season of the year to visit on our travel score. For the whole year in context, see Den Den's year-round climate.
- Avg daytime high
- 33°C
- warmest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 22 mm
- 5 wet days
- Avg wind
- 11 km/h
- Travel score
- 4.5
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Den Den in Summer
Over the season highs climb from about 29°C in early June to 33°C by late August.
A typical summer day in Den Den reaches about 33°C and drops to 22°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Den Den
Once humidity and wind are folded in, summer brings about 72 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.
Den Den 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 | 16° / 8° | 37 | 7.5 | 9.8 | 5.4 |
| Feb | 16° / 8° | 41 | 8 | 10.6 | 5.5 |
| Mar | 19° / 10° | 42 | 6.8 | 11.7 | 6.7 |
| Apr | 22° / 12° | 39 | 7.3 | 12.9 | 7.3 |
| May | 27° / 16° | 24 | 4.6 | 13.9 | 7.7 |
| Jun | 31° / 20° | 10 | 2.1 | 14.5 | 5.6 |
| Jul | 34° / 22° | 2 | 0.7 | 14.3 | 4.1 |
| Aug | 34° / 23° | 9 | 2.6 | 13.4 | 3.8 |
| Sep | 31° / 21° | 34 | 5.7 | 12.2 | 5.4 |
| Oct | 26° / 17° | 38 | 6.4 | 11 | 7.3 |
| Nov | 21° / 13° | 36 | 6.6 | 10 | 7.2 |
| Dec | 17° / 9° | 38 | 7.1 | 9.5 | 6.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 84% of the time across summer.
Chance of precipitation in Summer
Den Den gets around 22 mm of rain over 5 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 18 min in early June to 12 h 54 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 7.2 kWh/m².
Hazard calendar for Den Den
In summer, Den Den overlaps its dust season. The full year is below, with each hazard's peak months called out.
Den Den sees seasonal dust haze (June), heaviest in June.
Is summer a good time to visit Den Den?
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 Den Den for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Den Den in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Den Den sees daytime highs around 33°C and nights near 22°C. Pack light clothes and sun protection. About 5 days see rain.
Sea temperature near Den Den 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 25 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 3 to Nov 19 — about 5.6 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 | 25 | 26 | 25 | 23 | 20 | 17 |
| Comfort | Cool | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 15 | Bracing |
| Mar | 15 | Bracing |
| Apr | 16 | Cool |
| May | 18 | Cool |
| Jun | 21 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 23 | Refreshing |
| Nov | 20 | Refreshing |
| Dec | 17 | Cool |
UV index in Den Den 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 Den Den peaks around July 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).
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 | 4 | 7 | 8 | 10 | 8 | 7 | 5 | 3 | 2 |
| Level | Moderate | Moderate | High | Moderate | High | Very high | Extreme | Very high | High | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 4 | Moderate |
| May | 7 | High |
| Jun | 8 | Very high |
| Jul | 10 | Extreme |
| Aug | 8 | Very high |
| Sep | 7 | High |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Den Den 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 Den Den is worst in December — around 50 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (July, 27 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) | 45 | 46 | 41 | 39 | 33 | 29 | 27 | 30 | 36 | 42 | 47 | 50 |
| Level | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 45 | Poor |
| Feb | 46 | Poor |
| Mar | 41 | Poor |
| Apr | 39 | Poor |
| May | 33 | Moderate |
| Jun | 29 | Moderate |
| Jul | 27 | Moderate |
| Aug | 30 | Moderate |
| Sep | 36 | Poor |
| Oct | 42 | Poor |
| Nov | 47 | Poor |
| Dec | 50 | Poor |
Where is Den Den?
Den Den sits at 36.8°N, 10.1°E, 27 m above sea level, in Tunisia. The nearest listed city is Manouba, 1.0 km away.
Topography around Den Den
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Den Den.
Within 3 km, the terrain around Den Den has only modest variations in elevation — a maximum elevation change of 82 m around an average of 32 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 326 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,200 m.
The land around Den Den is covered by artificial surfaces (83%) within 3 km, cropland (33%), artificial surfaces (30%) and grassland (22%) within 16 km, and cropland (33%), water (31%) and grassland (21%) within 80 km.
Tunisia travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $4,657
- 2025
- Happiness
- 4.8 / 10
- World Happiness, 2025
- Safe drinking water
- 65%
- of population, 2024
- Homicide rate
- 4.7
- per 100k, 2020
- Road deaths
- 16.5
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Low
- EF EPI 498
- 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 Den Den (36.8075°, 10.1106°, elevation 27 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.