Rass el Djebel weather in May

In May, Rass el Djebel sees average daytime highs of 19°C and overnight lows near 17°C, with 22 mm of rain across 3.7 wet days and about 14 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 20°C by the end. The sky is clear or mostly clear about 62% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 13 h 30 min at the start of May to 14 h 18 min by month's end. Set against the rest of the year, May is Rass el Djebel's 5th-clearest and 7th-windiest month. For the whole year in context, see Rass el Djebel's year-round climate.

Daytime high
19°
6th warmest
Overnight low
17°
7th coldest
Rainfall
22 mm
3.7 wet days
Daylight
14 hours
5:16 AM – 7:15 PM
Cloud cover
34%
5th clearest
Wind
22 km/h
7th windiest
Solar energy
6.83 kWh/m²
Travel score
7.4
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 20°C by the end.

A typical May day in Rass el Djebel reaches about 19°C in the afternoon and slips back to 17°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 21°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11816
21816
31816
41816
51816
61816
71816
81816
91817
101817
111817
121917
131917
141917
151917
161917
171917
181917
191918
201918
211918
222018
232018
242018
252018
262018
272018
282019
292019
302019
312119

Rass el Djebel weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 13°81119.74.3
Feb14° / 12°669.810.64.2
Mar15° / 13°497.611.74.9
Apr16° / 15°407.112.95.8
May19° / 17°223.7147.4
Jun22° / 21°71.114.58.9
Jul25° / 24°10.314.39.5
Aug26° / 25°51.213.48.9
Sep25° / 23°405.512.38.1
Oct22° / 20°597.7117.4
Nov19° / 17°8311.3106.1
Dec16° / 14°8512.19.54.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27426
37426
47525
57525
67525
77624
87624
97624
107624
117624
127624
137624
147624
157525
167525
177525
187525
197525
207525
217525
227525
237525
247525
257624
267624
277624
287723
297723
307723
317822

Chance of precipitation in May

Any precipitation

Rass el Djebel gets around 22 mm of rain over 3.7 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 12% and peaks near 19% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
119
218
318
417
517
616
715
815
914
1013
1113
1212
1312
1412
1511
1611
1711
1811
1911
2010
2110
2210
2310
2410
259
269
279
289
299
308
318

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 48% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1326260
2316270
3306280
42961100
52762110
62661130
72560150
82460160
92359180
102258200
112157220
122057230
131956250
141855270
151752301
161750321
171649341
181547361
191545391
201444411
211342441
221240462
231139482
241037512
251035523
26934543
27832564
28730585
29629596
30627598
31526609

Wind in May

Winds average 22 km/h in May.

Across May, daily wind ranges from about 21 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
123breezy
223breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1423breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2122breezy
2222breezy
2322breezy
2422breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 30 min at the start of May to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 5:31 AM to 5:07 AM, and sunset from 7:02 PM to 7:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:317:02
213.55:307:03
313.65:297:04
413.65:287:05
513.65:277:06
613.75:267:07
713.75:257:07
813.75:247:08
913.85:237:09
1013.85:227:10
1113.85:217:11
1213.95:207:12
1313.95:197:13
1413.95:187:14
1514.05:177:15
1614.05:167:15
1714.05:157:16
1814.05:147:17
1914.15:147:18
2014.15:137:19
2114.15:127:20
2214.15:127:20
2314.25:117:21
2414.25:107:22
2514.25:107:23
2614.25:097:24
2714.35:087:24
2814.35:087:25
2914.35:077:26
3014.35:077:27
3114.35:077:27

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.83 kWh/m².

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 7.52 kWh/m² in July across the year — May's 6.83 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.5Intense
36.5Intense
46.5Intense
56.6Intense
66.6Intense
76.6Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.9Intense
196.9Intense
206.9Intense
216.9Intense
226.9Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
277.0Intense
287.1Intense
297.1Intense
307.1Intense
317.1Intense
Planning a trip in May

Hazard calendar for Rass el Djebel

In seasonPeak

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

Rass el Djebel sees seasonal dust haze (June), heaviest in June.

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

Is May a good time to visit Rass el Djebel?

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

7.4
Sightseeing
5th-best month of the year
3.2
Beach & pool
6th-best month of the year

May is one of the better times to visit Rass el Djebel for general sightseeing.

What to pack for Rass el Djebel in May

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

In May, Rass el Djebel sees daytime highs around 19°C and nights near 17°C. Pack sun protection. Worth having: a windbreaker. About 4 days see rain.

sun protectiona windbreaker

Sea temperature near Rass el Djebel in May

The nearest coast averages about 18°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 18 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 5 to Nov 14 — about 5.4 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar15Bracing
Apr16Cool
May18Cool
Jun21Refreshing
Jul24Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Cool
Dec17Cool

UV index in Rass el Djebel in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rass el Djebel peaks around July 17 at about 10 (very high) — 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateHighVery highHighModerateJul 17UV 10Dec 21UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr4Moderate
May6High
Jun8Very high
Jul10Extreme
Aug8Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Rass el Djebel in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Rass el Djebel is worst in March — around 19 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1519 µg/m³Jul 2413 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb18Moderate
Mar19Moderate
Apr17Moderate
May16Moderate
Jun14Moderate
Jul13Moderate
Aug13Moderate
Sep15Moderate
Oct16Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Rass el Djebel?

Rass el Djebel sits at 37.2°N, 10.1°E, 53 m above sea level, in Tunisia. The nearest listed city is El Alia, 10 km away.

Topography around Rass el Djebel

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

Within 3 km, the terrain around Rass el Djebel has significant variations in elevation — a maximum elevation change of 255 m around an average of 53 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 319 m; within 80 km, large variations in elevation — a maximum elevation change of 725 m.

The land around Rass el Djebel is covered by grassland (28%), cropland (24%) and trees (21%) within 3 km, water (56%) and cropland (20%) within 16 km, and water (48%) and cropland (26%) within 80 km.

3 km
255 m
16 km
319 m
80 km
725 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: El Alia 10 km · Galaat el Andeless 17 km · Menzel Jemil 19 km · Bizerte 23 km · Menzel Abderhaman 23 km · Menzel Bourguiba 31 km · Tinja 33 km · Douar Tindja 34 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 Rass el Djebel (37.2157°, 10.1253°, elevation 53 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).