Djerba weather in July

In July, Djerba sees average daytime highs of 30°C and overnight lows near 25°C, with 0 mm of rain across 0 wet days and about 14 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 98% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 12 min at the start of July to 13 h 42 min by month's end. Set against the rest of the year, July is Djerba's 1st-clearest and 10th-windiest month. For the whole year in context, see Djerba's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
25°
11th coldest
Rainfall
0 mm
0 wet days
Daylight
14 hours
5:21 AM – 7:24 PM
Cloud cover
4%
1st clearest
Wind
18 km/h
10th windiest
Solar energy
7.6 kWh/m²
Travel score
6.8
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical July day in Djerba reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°C. Set against its neighbours, July runs about 3°C warmer than June and about 1°C cooler than August.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12924
23024
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193026
203126
213126
223126
233126
243126
253126
263126
273126
283126
293126
303126
313126

How July really feels in Djerba

Once humidity and wind are folded in, July averages 20 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
20
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Djerba weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 12°183.4106.2
Feb17° / 12°142.810.76.6
Mar19° / 14°162.811.77.5
Apr21° / 16°10212.88.2
May24° / 19°41.113.78.9
Jun28° / 23°10.214.28.4
Jul30° / 25°00146.8
Aug31° / 27°20.413.36.1
Sep29° / 25°192.112.26.8
Oct26° / 22°253.911.17.9
Nov22° / 18°223.810.28.0
Dec18° / 14°213.99.87.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 98% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 1% of July, with mostly cloudy or overcast conditions the remaining 1%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1982
2982
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Chance of precipitation in July

Any precipitation

Djerba gets around 0 mm of rain over 0 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 0% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
291
301
311

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the muggy band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
132161150
231961170
331860190
421761200
521660220
621560230
721460240
821458260
921458260
1021457270
1121456280
1221456280
1321455290
1411456290
1511456290
1611356300
1711356300
1811356300
1911256310
2011256310
2111156320
2211056330
2311054350
241954360
251853380
261752400
270751411
280649431
290648451
300647471
310545481

Wind in July

Winds average 18 km/h in July.

Across July, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 12 min at the start of July to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over July. Sunrise moves from 5:13 AM to 5:31 AM, and sunset from 7:27 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:137:27
214.25:137:27
314.25:147:27
414.25:147:27
514.25:157:27
614.25:157:26
714.25:167:26
814.25:167:26
914.25:177:26
1014.15:177:26
1114.15:187:25
1214.15:187:25
1314.15:197:25
1414.15:197:24
1514.15:207:24
1614.05:217:24
1714.05:217:23
1814.05:227:23
1914.05:237:22
2014.05:237:22
2114.05:247:21
2213.95:257:21
2313.95:257:20
2413.95:267:20
2513.95:277:19
2613.85:277:18
2713.85:287:18
2813.85:297:17
2913.85:297:16
3013.85:307:15
3113.75:317:15

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.6 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.82 kWh/m² to a high of 7.6 kWh/m² in July across the year — July's 7.6 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.7Intense
27.7Intense
37.7Intense
47.7Intense
57.7Intense
67.7Intense
77.7Intense
87.7Intense
97.7Intense
107.7Intense
117.7Intense
127.7Intense
137.6Intense
147.6Intense
157.6Intense
167.6Intense
177.6Intense
187.6Intense
197.6Intense
207.5Intense
217.5Intense
227.5Intense
237.5Intense
247.5Intense
257.5Intense
267.4Intense
277.4Intense
287.4Intense
297.4Intense
307.3Intense
317.3Intense
Planning a trip in July

Hazard calendar for Djerba

In seasonPeak

None of Djerba's seasonal hazards are active in July. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Djerba sees seasonal dust haze (April–June), heaviest in April.

Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Djerba?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.8
Sightseeing
8th-best month of the year
9.3
Beach & pool
1st-best month of the year

July is a reasonable time to visit Djerba for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Djerba in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Djerba sees daytime highs around 30°C and nights near 25°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Djerba in July

The nearest coast averages about 27°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 28°C and coldest in February near 15°C.

It's comfortable for a long swim from May 14 to Dec 3 — about 6.7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar16Cool
Apr18Cool
May20Refreshing
Jun23Refreshing
Jul27Warm
Aug28Tropical
Sep28Warm
Oct25Warm
Nov22Refreshing
Dec18Cool

UV index in Djerba in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks 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 Djerba peaks around June 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 21UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr5High
May7High
Jun10Very high
Jul9Very high
Aug9Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Djerba in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Djerba 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).

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateGoodModerateJan 1739 µg/m³Jul 2212 µg/m³
PM2.5 (µg/m³)Level
Jan40Poor
Feb33Moderate
Mar34Moderate
Apr29Moderate
May21Moderate
Jun16Moderate
Jul12Good
Aug12Moderate
Sep16Moderate
Oct22Moderate
Nov30Moderate
Dec32Moderate
Location & terrain

Where is Djerba?

Djerba sits at 33.9°N, 10.9°E, 5 m above sea level, in Tunisia. The nearest listed city is El Mgarsa, 14 km away.

ZarzisMarethMedenineTeboulbouGabes

Topography around Djerba

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Djerba.

Within 3 km, the terrain around Djerba has only modest variations in elevation — a maximum elevation change of 20 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 50 m; within 80 km, large variations in elevation — a maximum elevation change of 610 m.

The land around Djerba is covered by artificial surfaces (40%) and water (30%) within 3 km, water (55%) within 16 km, and water (65%) within 80 km.

3 km
20 m
16 km
50 m
80 km
610 m
grasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: El Mgarsa 14 km · Midoun 15 km · Ajim 19 km · Zarzis 48 km · Mareth 60 km · Medenine 66 km · Teboulbou 69 km · Gabes 70 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
Muslim 99%

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 Djerba (33.8758°, 10.8575°, elevation 5 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).