San Salvo weather in December

In December, San Salvo sees average daytime highs of 13°C and overnight lows near 6°C, with 72 mm of precipitation across 10.3 wet days and about 9 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 14°C in the first days to 12°C by the end. The sky is clear or mostly clear about 32% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 12 min at the start of December to 9 hours by month's end. Set against the rest of the year, December is San Salvo's 10th-clearest and 3rd-windiest month. For the whole year in context, see San Salvo's year-round climate.

Daytime high
13°
10th warmest
Overnight low
3rd coldest
Precipitation
72 mm
10.3 wet days
Daylight
9 hours
7:29 AM – 4:26 PM
Cloud cover
58%
10th clearest
Wind
10 km/h
3rd windiest
Solar energy
1.59 kWh/m²
Travel score
3.4
out of 10

San Salvo is chief town of the homonym municipality.

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 14°C in the first days to 12°C by the end.

A typical December day in San Salvo reaches about 13°C in the afternoon and slips back to 6°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 17°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1147
2147
3147
4147
5137
6137
7137
8137
9137
10136
11136
12136
13136
14136
15126
16126
17126
18126
19126
20125
21125
22125
23125
24125
25125
26125
27125
28125
29125
30125
31125

San Salvo weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 678.919.33.0
Feb12° / 518.30.710.33.3
Mar15° / 568.60.411.74.7
Apr18° / 10°558.2013.16.1
May22° / 14°406.8014.37.4
Jun26° / 18°404.70157.8
Jul29° / 20°253.4014.77.0
Aug29° / 20°273.8013.76.9
Sep25° / 17°596.9012.37.5
Oct21° / 13°607.8010.96.9
Nov16° / 748.90.19.65.3
Dec13° / 7210.30.693.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34555
44456
54456
64654
74654
84555
94654
104654
114753
124753
134852
144852
154852
164951
174951
185050
195050
205050
215050
225050
235050
245050
255149
265149
275050
285149
295149
305248
315248

Chance of precipitation in December

Any precipitationSnow

San Salvo gets around 72 mm of rain and snow over 10.3 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 33% and peaks near 35% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1351
2351
3351
4351
5351
6351
7351
8351
9351
10351
11342
12342
13342
14332
15332
16332
17322
18322
19312
20312
21312
22312
23313
24313
25313
26313
27313
28313
29313
30313
31313

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 12 min at the start of December to 9 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:16 AM to 7:35 AM, and sunset from 4:26 PM to 4:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.27:164:26
29.17:174:25
39.17:184:25
49.17:194:25
59.17:204:25
69.17:214:25
79.17:224:25
89.07:234:25
99.07:234:25
109.07:244:25
119.07:254:25
129.07:264:25
139.07:274:25
149.07:274:25
159.07:284:25
169.07:294:26
178.97:294:26
188.97:304:26
198.97:314:27
208.97:314:27
218.97:324:28
228.97:324:28
238.97:334:28
248.97:334:29
258.97:334:30
268.97:344:30
278.97:344:31
289.07:344:31
299.07:354:32
309.07:354:33
319.07:354:33

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.59 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.59 kWh/m² to a high of 6.86 kWh/m² in July across the year — December's 1.59 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.7Dim
21.7Dim
31.6Dim
41.6Dim
51.6Dim
61.6Dim
71.6Dim
81.6Dim
91.6Dim
101.6Dim
111.6Dim
121.6Dim
131.6Dim
141.6Dim
151.6Dim
161.6Dim
171.6Dim
181.6Dim
191.6Dim
201.6Dim
211.6Dim
221.6Dim
231.6Dim
241.6Dim
251.6Dim
261.6Dim
271.6Dim
281.6Dim
291.6Dim
301.6Dim
311.6Dim
Planning a trip in December

Is December a good time to visit San Salvo?

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

3.4
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in San Salvo.

What to pack for San Salvo in December

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

In December, San Salvo sees daytime highs around 13°C and nights near 6°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near San Salvo in December

The nearest coast averages about 15°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 15 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from May 31 to Oct 16 — about 4.6 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr14Bracing
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep24Refreshing
Oct20Refreshing
Nov17Cool
Dec15Cool

UV index in San Salvo in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Salvo peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr5Moderate
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in San Salvo in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in San Salvo is worst in April — around 18 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 11 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodApr 1118 µg/m³Dec 1011 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb16Moderate
Mar17Moderate
Apr18Moderate
May15Moderate
Jun15Moderate
Jul14Moderate
Aug14Moderate
Sep11Good
Oct13Moderate
Nov11Good
Dec11Good
Location & terrain

Where is San Salvo?

San Salvo sits at 42.0°N, 14.7°E, 100 m above sea level, in Italy. The nearest listed city is Vasto, 8.0 km away.

Topography around San Salvo

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

Within 3 km, the terrain around San Salvo has only modest variations in elevation — a maximum elevation change of 191 m around an average of 67 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 699 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,770 m.

The land around San Salvo is covered by cropland (33%) and trees (21%) within 3 km, cropland (32%), water (26%) and trees (21%) within 16 km, and trees (32%), water (30%) and cropland (22%) within 80 km.

3 km
191 m
16 km
699 m
80 km
2,770 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Vasto 8.0 km · Termoli 22 km · Lanciano 35 km · Campobasso 54 km · Francavilla al Mare 56 km · Chieti 58 km · Torremaggiore 61 km · Pescara 63 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 San Salvo (42.0441°, 14.7333°, elevation 100 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).