Mareth in Summer
In summer (June, July and August), Mareth sees average daytime highs around 34°C and overnight lows near 23°C, with 4 mm of rain over about 1 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 30°C in early June to 34°C by late August. The sky is clear or mostly clear about 93% of the time across summer, and the air most often feels humid.
Summer is Mareth's weakest season of the year to visit on our travel score. For the whole year in context, see Mareth's year-round climate.
- Avg daytime high
- 34°C
- warmest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 4 mm
- 1 wet days
- Avg wind
- 14 km/h
- Travel score
- 4.1
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Mareth in Summer
Over the season highs climb from about 30°C in early June to 34°C by late August.
A typical summer day in Mareth reaches about 34°C and drops to 23°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Mareth
Once humidity and wind are folded in, summer brings about 78 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.
Mareth 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° | 16 | 3.1 | 10 | 6.3 |
| Feb | 18° / 9° | 14 | 2.7 | 10.8 | 7.1 |
| Mar | 21° / 11° | 18 | 2.6 | 11.7 | 8.0 |
| Apr | 24° / 14° | 11 | 2.1 | 12.8 | 8.7 |
| May | 28° / 18° | 5 | 1.3 | 13.7 | 7.6 |
| Jun | 32° / 21° | 1 | 0.3 | 14.2 | 5.3 |
| Jul | 35° / 24° | 0 | 0.1 | 14 | 3.6 |
| Aug | 35° / 25° | 2 | 0.5 | 13.2 | 3.4 |
| Sep | 32° / 23° | 17 | 2.6 | 12.2 | 5.1 |
| Oct | 28° / 19° | 21 | 3 | 11.2 | 7.4 |
| Nov | 22° / 13° | 14 | 3 | 10.3 | 8.2 |
| Dec | 17° / 9° | 18 | 3.1 | 9.8 | 7.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 93% of the time across summer.
Chance of precipitation in Summer
Mareth gets around 4 mm of rain over 1 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 14 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 06 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 7.5 kWh/m².
Hazard calendar for Mareth
In summer, Mareth overlaps its dust season. The full year is below, with each hazard's peak months called out.
Mareth sees seasonal dust haze (April–June), heaviest in April.
Is summer a good time to visit Mareth?
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 Mareth for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Mareth in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Mareth sees daytime highs around 34°C and nights near 23°C. Pack light clothes and sun protection.
Sea temperature near Mareth in Summer
The nearest coast averages about 27°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 30 km away) is warmest in August at about 29°C and coldest in February near 14°C.
It's comfortable for a long swim from May 8 to Nov 26 — about 6.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 14 | 15 | 18 | 21 | 24 | 27 | 29 | 28 | 25 | 22 | 17 |
| Comfort | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Tropical | Warm | Warm | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 14 | Bracing |
| Mar | 15 | Cool |
| Apr | 18 | Cool |
| May | 21 | Refreshing |
| Jun | 24 | Warm |
| Jul | 27 | Warm |
| Aug | 29 | Tropical |
| Sep | 28 | Warm |
| Oct | 25 | Warm |
| Nov | 22 | Refreshing |
| Dec | 17 | Cool |
UV index in Mareth 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 Mareth peaks around June 21 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (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) | 3 | 5 | 7 | 6 | 7 | 11 | 10 | 9 | 8 | 7 | 4 | 3 |
| Level | Moderate | Moderate | High | High | High | Extreme | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 7 | High |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 11 | Extreme |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 7 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Mareth 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 Mareth is worst in January — around 40 µg/m³ PM2.5 (poor), about 3.5× the cleanest month (July, 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) | 40 | 33 | 34 | 29 | 21 | 16 | 12 | 12 | 16 | 22 | 30 | 32 |
| Level | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 40 | Poor |
| Feb | 33 | Moderate |
| Mar | 34 | Moderate |
| Apr | 29 | Moderate |
| May | 21 | Moderate |
| Jun | 16 | Moderate |
| Jul | 12 | Good |
| Aug | 12 | Moderate |
| Sep | 16 | Moderate |
| Oct | 22 | Moderate |
| Nov | 30 | Moderate |
| Dec | 32 | Moderate |
Where is Mareth?
Mareth sits at 33.6°N, 10.3°E, 51 m above sea level, in Tunisia. The nearest listed city is Teboulbou, 30 km away.
Topography around Mareth
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mareth.
Within 3 km, the terrain around Mareth has only modest variations in elevation — a maximum elevation change of 37 m around an average of 50 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 355 m; within 80 km, large variations in elevation — a maximum elevation change of 684 m.
The land around Mareth is covered by cropland (47%) within 3 km, bare terrain (34%) and grassland (31%) within 16 km, and bare terrain (54%) and water (28%) 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 Mareth (33.6179°, 10.2854°, elevation 51 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.