Trapani weather in May

In May, Trapani sees average daytime highs of 22°C and overnight lows near 16°C, with 22 mm of rain across 4.4 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 20°C in the first days to 23°C by the end. The sky is clear or mostly clear about 63% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 13 h 36 min at the start of May to 14 h 24 min by month's end. Set against the rest of the year, May is Trapani's 5th-clearest and 8th-windiest month. For the whole year in context, see Trapani's year-round climate.

Daytime high
22°
6th warmest
Overnight low
16°
7th coldest
Rainfall
22 mm
4.4 wet days
Daylight
14 hours
5:05 AM – 7:08 PM
Cloud cover
34%
5th clearest
Wind
14 km/h
8th windiest
Solar energy
6.98 kWh/m²
Travel score
7.9
out of 10
Air quality
Good
PM10 20.6 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 23°C by the end.

A typical May day in Trapani reaches about 22°C in the afternoon and slips back to 16°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 25°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12015
22015
32015
42015
52015
62015
72115
82115
92116
102116
112116
122116
132116
142116
152116
162216
172216
182217
192217
202217
212217
222217
232217
242317
252317
262317
272318
282318
292318
302318
312318

Trapani 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° / 10°65109.74.3
Feb14° / 10°629.510.54.2
Mar16° / 11°558.611.75.2
Apr18° / 13°437.2136.4
May22° / 16°224.4147.9
Jun26° / 20°71.514.68.9
Jul28° / 23°30.714.48.2
Aug29° / 24°91.613.57.3
Sep26° / 21°496.812.37.6
Oct23° / 18°778.3117.4
Nov19° / 15°7810.49.96.1
Dec16° / 12°7211.29.44.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27327
37327
47426
57525
67525
77624
87723
97723
107723
117723
127624
137624
147624
157624
167624
177624
187723
197723
207723
217822
227822
237822
248020
258020
268020
278020
288119
298119
308119
318218

Chance of precipitation in May

Any precipitation

Trapani gets around 22 mm of rain over 4.4 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 15% and peaks near 21% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
121
221
320
420
519
618
718
817
917
1016
1116
1215
1315
1414
1514
1614
1714
1814
1913
2013
2113
2212
2312
2412
2512
2611
2711
2811
2910
3010
3110

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 (%)
1643510
2623710
3603910
4594010
5574120
6554320
7534430
8524530
9504640
10494740
11484750
12464860
13454970
14434970
15415090
164050100
173851110
183651130
193452140
203252160
213151180
222952190
232752210
242552230
252352250
262152270
272050291
281851301
291750321
301549341
311448362

Wind in May

Winds average 14 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 36 min at the start of May to 14 h 24 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 5:20 AM to 4:55 AM, and sunset from 6:54 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:206:54
213.65:196:55
313.65:186:56
413.75:176:57
513.75:166:57
613.75:156:58
713.85:136:59
813.85:127:00
913.85:117:01
1013.95:107:02
1113.95:097:03
1213.95:087:04
1314.05:077:05
1414.05:067:06
1514.05:067:07
1614.05:057:08
1714.15:047:08
1814.15:037:09
1914.15:027:10
2014.25:017:11
2114.25:017:12
2214.25:007:13
2314.24:597:14
2414.34:597:14
2514.34:587:15
2614.34:577:16
2714.34:577:17
2814.44:567:18
2914.44:567:18
3014.44:557:19
3114.44:557:20

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.98 kWh/m².

For context, solar energy here swings from a low near 2.1 kWh/m² to a high of 7.59 kWh/m² in June across the year — May's 6.98 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.7Intense
56.7Intense
66.7Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.9Intense
126.9Intense
136.9Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
197.0Intense
207.1Intense
217.1Intense
227.1Intense
237.1Intense
247.1Intense
257.2Intense
267.2Intense
277.2Intense
287.2Intense
297.2Intense
307.3Intense
317.3Intense
Planning a trip in May

Is May a good time to visit Trapani?

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

7.9
Sightseeing
3rd-best month of the year
5.2
Beach & pool
6th-best month of the year

May is one of the better times to visit Trapani for general sightseeing.

What to pack for Trapani in May

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

In May, Trapani sees daytime highs around 22°C and nights near 16°C. Pack sun protection. About 4 days see rain.

sun protection

Sea temperature near Trapani 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 14 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 1 to Nov 8 — about 5.3 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb14Bracing
Mar15Bracing
Apr16Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Trapani in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Trapani 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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateVery highHighModerateJul 17UV 10Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb4Moderate
Mar6High
Apr4Moderate
May5High
Jun8Very high
Jul10Very high
Aug8Very high
Sep6High
Oct5Moderate
Nov3Moderate
Dec2Low
Location & terrain

Where is Trapani?

Trapani sits at 38.0°N, 12.5°E, 3 m above sea level, in Italy. The nearest listed city is Casa Santa, 1.0 km away.

Topography around Trapani

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

Within 3 km, the terrain around Trapani has significant variations in elevation — a maximum elevation change of 474 m around an average of 28 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 765 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,535 m.

The land around Trapani is covered by water (35%) and artificial surfaces (34%) within 3 km, water (55%) and grassland (20%) within 16 km, and water (67%) within 80 km.

3 km
474 m
16 km
765 m
80 km
1,535 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Casa Santa 1.0 km · Marsala 26 km · Alcamo 38 km · Mazara del Vallo 41 km · Castelvetrano 44 km · Partinico 51 km · Carini 58 km · Monreale 66 km

Italy travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
230 V · 50 Hz
Prices
≈ 69% of US
price level, 2025
GDP per capita
$43,309
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 513
Religion
Christian 81%unaffiliated 13%Muslim 5%other 1%

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 Trapani (38.0176°, 12.5362°, elevation 3 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).