Grombalia in Summer
In summer (June, July and August), Grombalia sees average daytime highs around 30°C and overnight lows near 21°C, with 20 mm of rain over about 4 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 26°C in early June to 31°C by late August. The sky is clear or mostly clear about 85% of the time across summer, and the air most often feels humid.
Summer is Grombalia's 3rd-best season to visit on our travel score. For the whole year in context, see Grombalia's year-round climate.
- Avg daytime high
- 30°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 20 mm
- 4 wet days
- Avg wind
- 11 km/h
- Travel score
- 6.5
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Grombalia in Summer
Over the season highs climb from about 26°C in early June to 31°C by late August.
A typical summer day in Grombalia reaches about 30°C and drops to 21°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Grombalia
Once humidity and wind are folded in, summer brings about 44 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.
Grombalia 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° / 9° | 39 | 6.7 | 9.8 | 5.2 |
| Feb | 16° / 9° | 38 | 7.4 | 10.6 | 5.2 |
| Mar | 18° / 10° | 42 | 7.1 | 11.7 | 6.3 |
| Apr | 20° / 13° | 38 | 7 | 12.9 | 7.0 |
| May | 24° / 16° | 20 | 3.8 | 13.9 | 8.2 |
| Jun | 28° / 19° | 10 | 1.8 | 14.5 | 7.7 |
| Jul | 31° / 22° | 2 | 0.2 | 14.2 | 6.2 |
| Aug | 31° / 23° | 8 | 1.7 | 13.4 | 5.7 |
| Sep | 28° / 21° | 42 | 5.4 | 12.2 | 6.8 |
| Oct | 25° / 18° | 50 | 6.9 | 11.1 | 7.5 |
| Nov | 20° / 14° | 42 | 6.4 | 10 | 7.0 |
| Dec | 17° / 10° | 39 | 6.8 | 9.5 | 5.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 85% of the time across summer.
Chance of precipitation in Summer
Grombalia gets around 20 mm of rain over 4 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 Grombalia
In summer, Grombalia overlaps its dust season. The full year is below, with each hazard's peak months called out.
Grombalia sees seasonal dust haze (June), heaviest in June.
Is summer a good time to visit Grombalia?
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 Grombalia for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Grombalia in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Grombalia sees daytime highs around 30°C and nights near 21°C. Pack light clothes and sun protection.
Sea temperature near Grombalia in Summer
The nearest coast averages about 25°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 27 km away) is warmest in August at about 27°C and coldest in February near 15°C.
It's comfortable for a long swim from May 30 to Nov 25 — about 5.9 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 | 15 | 16 | 19 | 22 | 25 | 27 | 26 | 24 | 21 | 18 |
| 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 | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 27 | Warm |
| Sep | 26 | Warm |
| Oct | 24 | Refreshing |
| Nov | 21 | Refreshing |
| Dec | 18 | Cool |
UV index in Grombalia 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 Grombalia peaks around July 16 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 | 4 | 7 | 9 | 10 | 8 | 7 | 5 | 3 | 2 |
| Level | Moderate | Moderate | High | Moderate | High | Very high | Extreme | Very high | Very high | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 4 | Moderate |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 10 | Extreme |
| Aug | 8 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Grombalia 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 Grombalia is worst in February — around 38 µg/m³ PM2.5 (poor), about 1.6× the cleanest month (August, 24 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) | 36 | 38 | 36 | 33 | 29 | 25 | 24 | 24 | 27 | 31 | 34 | 37 |
| Level | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 36 | Poor |
| Feb | 38 | Poor |
| Mar | 36 | Poor |
| Apr | 33 | Moderate |
| May | 29 | Moderate |
| Jun | 25 | Moderate |
| Jul | 24 | Moderate |
| Aug | 24 | Moderate |
| Sep | 27 | Moderate |
| Oct | 31 | Moderate |
| Nov | 34 | Moderate |
| Dec | 37 | Poor |
Where is Grombalia?
Grombalia sits at 36.6°N, 10.5°E, 50 m above sea level, in Tunisia. The nearest listed city is Beni Khalled, 10 km away.
Topography around Grombalia
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Grombalia.
Within 3 km, the terrain around Grombalia has only modest variations in elevation — a maximum elevation change of 72 m around an average of 48 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 754 m; within 80 km, large variations in elevation — a maximum elevation change of 1,190 m.
The land around Grombalia is covered by grassland (36%) and cropland (33%) within 3 km, grassland (41%) and trees (28%) within 16 km, and water (42%), cropland (26%) and grassland (20%) 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 Grombalia (36.5989°, 10.5003°, elevation 50 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.