Trapani weather in December

In December, Trapani sees average daytime highs of 16°C and overnight lows near 12°C, with 72 mm of rain across 11.2 wet days and about 9.4 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 15°C by the end. The sky is clear or mostly clear about 35% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of December to 9 h 24 min by month's end. Set against the rest of the year, December is Trapani's 12th-clearest and 1st-windiest month. For the whole year in context, see Trapani's year-round climate.

Daytime high
16°
10th warmest
Overnight low
12°
4th coldest
Rainfall
72 mm
11.2 wet days
Daylight
9 h 24 min
7:25 AM – 4:47 PM
Cloud cover
53%
12th clearest
Wind
19 km/h
1st windiest
Solar energy
2.1 kWh/m²
Travel score
4.8
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 December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December day in Trapani reaches about 16°C in the afternoon and slips back to 12°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 18°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11713
21713
31713
41713
51613
61613
71613
81612
91612
101612
111612
121612
131612
141612
151612
161612
171512
181512
191512
201512
211512
221511
231511
241511
251511
261511
271511
281511
291511
301511
311511

Trapani weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 3rd-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
36040
46040
56139
66139
76139
86139
96139
106139
116238
126238
136139
146139
156139
166139
176139
186040
196040
206040
215941
225941
235941
245842
255941
265941
275842
285941
295941
305941
315941

Chance of precipitation in December

Any precipitation

Trapani gets around 72 mm of rain over 11.2 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
537
637
736
836
936
1036
1136
1235
1335
1435
1535
1635
1735
1834
1934
2035
2135
2235
2335
2435
2535
2635
2735
2834
2934
3033
3133

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
178211
280191
382171
484160
585150
686140
787130
888120
989110
1090100
1190100
129190
139280
149280
159280
169370
179370
189370
199370
209370
219370
229370
239370
249460
259460
269460
279460
289550
299550
309550
319640

Wind in December

Winds average 19 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 18 km/h on the calmest days to 19 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
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 36 min at the start of December to 9 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:13 AM to 7:31 AM, and sunset from 4:46 PM to 4:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:134:46
29.57:144:46
39.57:154:46
49.57:164:46
59.57:174:46
69.57:174:46
79.57:184:46
89.47:194:46
99.47:204:46
109.47:214:46
119.47:214:46
129.47:224:46
139.47:234:46
149.47:234:47
159.47:244:47
169.47:254:47
179.47:254:48
189.47:264:48
199.47:274:48
209.47:274:49
219.47:284:49
229.47:284:50
239.47:294:50
249.47:294:51
259.47:294:51
269.47:304:52
279.47:304:52
289.47:304:53
299.47:314:54
309.47:314:54
319.47:314:55

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.1 kWh/m² — the year's lowest.

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 — December's 2.1 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.2Moderate
22.2Moderate
32.2Moderate
42.2Moderate
52.2Moderate
62.2Moderate
72.1Moderate
82.1Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.1Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.1Moderate
242.1Moderate
252.1Moderate
262.1Moderate
272.1Moderate
282.1Moderate
292.1Moderate
302.1Moderate
312.2Moderate
Planning a trip in December

Is December a good time to visit Trapani?

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

4.8
Sightseeing
10th-best month of the year
0.4
Beach & pool
10th-best month of the year

December is a reasonable time to visit Trapani for sightseeing.

What to pack for Trapani in December

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

In December, Trapani sees daytime highs around 16°C and nights near 12°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Trapani in December

The nearest coast averages about 17°C in December — 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 December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. 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
December 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).