Zaghouan weather in May

In May, Zaghouan sees average daytime highs of 26°C and overnight lows near 15°C, with 23 mm of rain across 4.3 wet days and about 13.9 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 27°C by the end. The sky is clear or mostly clear about 55% of the time in May, and the air most often feels dry.

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 Zaghouan's 4th-clearest and 5th-windiest month. For the whole year in context, see Zaghouan's year-round climate.

Daytime high
26°
5th warmest
Overnight low
15°
7th coldest
Rainfall
23 mm
4.3 wet days
Daylight
13 h 54 min
5:18 AM – 7:14 PM
Cloud cover
39%
4th clearest
Wind
11 km/h
5th windiest
Solar energy
6.8 kWh/m²
Travel score
8.0
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 27°C by the end.

A typical May day in Zaghouan reaches about 26°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°C. Set against its neighbours, May runs about 4°C warmer than April and about 5°C cooler than June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12314
22314
32414
42414
52414
62414
72414
82414
92515
102515
112515
122515
132515
142515
152515
162615
172616
182616
192616
202616
212616
222616
232616
242716
252716
262717
272717
282717
292717
302817
312817

How May really feels in Zaghouan

Once humidity and wind are folded in, May averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Zaghouan weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 356.99.85.3
Feb16° / 397.510.65.4
Mar18° / 437.611.76.5
Apr21° / 12°417.712.97.1
May26° / 15°234.313.98.0
Jun30° / 19°11214.46.4
Jul33° / 22°20.414.24.8
Aug33° / 22°102.113.44.5
Sep30° / 20°415.712.26.0
Oct26° / 17°457.111.17.4
Nov21° / 12°36610.17.2
Dec17° / 366.39.66.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26931
36931
47129
57129
67129
77129
87228
97228
107129
117129
127228
137129
147129
157030
167030
177129
187129
197129
207129
217129
227129
237228
247228
257228
267327
277327
287327
297426
307426
317525

Chance of precipitation in May

Any precipitation

Zaghouan gets around 23 mm of rain over 4.3 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 14% and peaks near 20% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
120
219
319
418
517
616
716
815
915
1014
1114
1214
1313
1413
1513
1613
1713
1813
1913
2013
2113
2213
2313
2413
2513
2613
2713
2813
2913
3013
3112

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry 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 (%)
1633430
2613540
3613540
4603550
5603550
6593560
7593560
8583660
9573670
10563770
11553780
12543880
13543880
14533890
155238100
165139100
175039110
184840110
194741120
204542130
214443130
224244140
234044150
243945160
253745170
263646180
273446191
283247201
293147211
302948221
312848241

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 5:33 AM to 5:09 AM, and sunset from 7:01 PM to 7:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:337:01
213.55:327:01
313.55:307:02
413.65:297:03
513.65:287:04
613.65:277:05
713.75:267:06
813.75:257:07
913.75:247:08
1013.85:237:08
1113.85:227:09
1213.85:217:10
1313.85:207:11
1413.95:197:12
1513.95:197:13
1613.95:187:14
1714.05:177:14
1814.05:167:15
1914.05:157:16
2014.05:157:17
2114.15:147:18
2214.15:137:18
2314.15:137:19
2414.15:127:20
2514.25:127:21
2614.25:117:22
2714.25:107:22
2814.25:107:23
2914.25:097:24
3014.35:097:24
3114.35:097:25

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.8 kWh/m².

For context, solar energy here swings from a low near 2.31 kWh/m² to a high of 7.59 kWh/m² in July across the year — May's 6.8 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
126.7Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.9Intense
216.9Intense
226.9Intense
236.9Intense
246.9Intense
256.9Intense
267.0Intense
277.0Intense
287.0Intense
297.0Intense
307.0Intense
317.1Intense
Planning a trip in May

Hazard calendar for Zaghouan

In seasonPeak

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

Zaghouan 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 Zaghouan?

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

8.0
Sightseeing
1st-best month of the year
7.3
Beach & pool
5th-best month of the year

May is one of the better times to visit Zaghouan for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Zaghouan in May

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

In May, Zaghouan sees daytime highs around 26°C and nights near 15°C. Pack sun protection. Worth having: light clothes. About 4 days see rain.

sun protectionlight clothes

Sea temperature near Zaghouan in May

The nearest coast averages about 19°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 43 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.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar15Bracing
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov21Refreshing
Dec18Cool

UV index in Zaghouan in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Zaghouan 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighModerateVery highVery highHighModerateJul 16UV 10Dec 21UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr4Moderate
May7High
Jun9Very high
Jul10Extreme
Aug8Very high
Sep7Very high
Oct6High
Nov3Moderate
Dec2Low

Air quality in Zaghouan 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 Zaghouan 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).

010203040JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorFeb 1638 µg/m³Aug 1024 µg/m³
PM2.5 (µg/m³)Level
Jan36Poor
Feb38Poor
Mar36Poor
Apr33Moderate
May29Moderate
Jun25Moderate
Jul24Moderate
Aug24Moderate
Sep27Moderate
Oct31Moderate
Nov34Moderate
Dec37Poor
Location & terrain

Where is Zaghouan?

Zaghouan sits at 36.4°N, 10.1°E, 176 m above sea level, in Tunisia. The nearest listed city is El Fahs, 21 km away.

Topography around Zaghouan

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

Within 3 km, the terrain around Zaghouan has large variations in elevation — a maximum elevation change of 818 m around an average of 215 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,180 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,333 m.

The land around Zaghouan is covered by grassland (36%) and trees (21%) within 3 km, grassland (40%) and cropland (35%) within 16 km, and cropland (37%), grassland (26%) and water (21%) within 80 km.

3 km
818 m
16 km
1,180 m
80 km
1,333 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: El Fahs 21 km · La Mohammedia 30 km · Fouchana 33 km · La Sebala du Mornag 33 km · El Mourouj 35 km · Boumhel El Bassatine 37 km · Grombalia 39 km · Borj Cedria 39 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 Zaghouan (36.4029°, 10.1429°, elevation 176 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).