Castelvetrano weather in March

In March, Castelvetrano sees average daytime highs of 16°C and overnight lows near 10°C, with 54 mm of rain across 8.5 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 17°C by the end. The sky is clear or mostly clear about 44% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 06 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Castelvetrano's 8th-clearest and 2nd-windiest month. For the whole year in context, see Castelvetrano's year-round climate.

Daytime high
16°
9th warmest
Overnight low
10°
3rd coldest
Rainfall
54 mm
8.5 wet days
Daylight
11 h 42 min
6:28 AM – 6:09 PM
Cloud cover
47%
8th clearest
Wind
15 km/h
2nd windiest
Solar energy
4.84 kWh/m²
Travel score
5.5
out of 10

Castelvetrano is chief town of the homonym municipality.

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 17°C by the end.

A typical March day in Castelvetrano reaches about 16°C in the afternoon and slips back to 10°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 19°C. Set against its neighbours, March runs about 2°C warmer than February and about 3°C cooler than April.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1159
2159
3159
4159
5169
61610
71610
81610
91610
101610
111610
121610
131610
141610
151610
161610
171610
181610
191710
201710
211710
221710
231710
241710
251710
261711
271711
281711
291711
301711
311711

How March really feels in Castelvetrano

Once humidity and wind are folded in, March 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

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

Castelvetrano weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 629.69.74.4
Feb14° / 619.510.54.4
Mar16° / 10°548.511.75.5
Apr19° / 12°467.812.96.6
May23° / 16°224.7148.1
Jun27° / 19°71.614.68.1
Jul30° / 22°30.614.36.8
Aug31° / 23°81.713.56.2
Sep27° / 20°436.412.37.3
Oct24° / 17°718.2117.4
Nov19° / 13°7310.3106.2
Dec16° / 10°6610.29.45.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 21% of March, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25743
35842
45842
55842
65941
75941
85941
96040
106139
116238
126238
136436
146535
156535
166733
176832
186832
196931
206931
216931
226931
236832
246832
256832
266832
276832
286832
296733
306733
316733

Chance of precipitation in March

Any precipitation

Castelvetrano gets around 54 mm of rain over 8.5 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 34% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
134
234
334
434
534
633
733
832
931
1030
1128
1227
1326
1425
1524
1623
1723
1822
1922
2022
2122
2222
2323
2424
2525
2625
2726
2827
2927
3028
3128

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
25991
26991
27991
28991
29991
30991
31991

Wind in March

Winds average 15 km/h in March.

Across March, 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
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light 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 March

DaylightNight

Daylight runs from about 11 h 06 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over March. Sunrise moves from 6:49 AM to 6:04 AM, and sunset from 5:55 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:495:55
211.16:485:56
311.26:475:57
411.26:455:58
511.26:445:59
611.36:426:00
711.36:416:01
811.46:396:02
911.46:386:03
1011.56:376:04
1111.56:356:05
1211.56:346:06
1311.66:326:07
1411.66:316:08
1511.76:296:09
1611.76:286:09
1711.76:266:10
1811.86:246:11
1911.86:236:12
2011.96:216:13
2111.96:206:14
2211.96:186:15
2312.06:176:16
2412.06:156:17
2512.16:146:18
2612.16:126:19
2712.26:106:20
2812.26:096:21
2912.26:076:22
3012.36:066:23
3112.36:046:23

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.84 kWh/m².

For context, solar energy here swings from a low near 2.13 kWh/m² to a high of 7.62 kWh/m² in June across the year — March's 4.84 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.1Bright
34.1Bright
44.2Bright
54.3Bright
64.3Bright
74.3Bright
84.4Bright
94.5Bright
104.5Bright
114.6Bright
124.6Bright
134.7Bright
144.8Bright
154.8Bright
164.9Bright
174.9Bright
185.0Bright
195.0Bright
205.1Bright
215.1Bright
225.2Bright
235.2Bright
245.3Bright
255.3Bright
265.3Bright
275.4Bright
285.4Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in March

Is March a good time to visit Castelvetrano?

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

5.5
Sightseeing
9th-best month of the year
0.9
Beach & pool
9th-best month of the year

March is a reasonable time to visit Castelvetrano for sightseeing.

What to pack for Castelvetrano in March

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

In March, Castelvetrano sees daytime highs around 16°C and nights near 10°C. Worth packing: a warm layer, rain gear and sun protection. About 9 days see rain.

a warm layerrain gearsun protection

Sea temperature near Castelvetrano in March

The nearest coast averages about 15°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 km away) is warmest in August at about 25°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 9 to Nov 5 — about 4.9 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb15Bracing
Mar15Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep24Refreshing
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Castelvetrano in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March 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 Castelvetrano peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 16UV 10Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb4Moderate
Mar6High
Apr4Moderate
May5High
Jun9Very high
Jul10Extreme
Aug8Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Low
Location & terrain

Where is Castelvetrano?

Castelvetrano sits at 37.7°N, 12.8°E, 187 m above sea level, in Italy. The nearest listed city is Mazara del Vallo, 18 km away.

Topography around Castelvetrano

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

Within 3 km, the terrain around Castelvetrano has only modest variations in elevation — a maximum elevation change of 166 m around an average of 164 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 583 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,576 m.

The land around Castelvetrano is covered by grassland (46%) and trees (21%) within 3 km, grassland (52%) and cropland (21%) within 16 km, and water (56%) and grassland (24%) within 80 km.

3 km
166 m
16 km
583 m
80 km
1,576 m
treesshrubsgrasslandcroplandartificial surfaceswater
March weather nearby: Mazara del Vallo 18 km · Sciacca 32 km · Marsala 34 km · Alcamo 36 km · Trapani 44 km · Casa Santa 44 km · Ribera 47 km · Partinico 50 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 Castelvetrano (37.6808°, 12.7919°, elevation 187 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).