Sassari weather in December

In December, Sassari sees average daytime highs of 14°C and overnight lows near 9°C, with 76 mm of rain across 10.7 wet days and about 9.1 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 15°C in the first days to 13°C by the end. The sky is clear or mostly clear about 31% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 18 min at the start of December to 9 h 06 min by month's end. Set against the rest of the year, December is Sassari's 10th-clearest and 1st-windiest month. For the whole year in context, see Sassari's year-round climate.

Daytime high
14°
10th warmest
Overnight low
4th coldest
Rainfall
76 mm
10.7 wet days
Daylight
9 h 06 min
7:49 AM – 4:55 PM
Cloud cover
56%
10th clearest
Wind
18 km/h
1st windiest
Solar energy
1.81 kWh/m²
Travel score
3.9
out of 10
Air quality
Good
PM2.5 5.8 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 15°C in the first days to 13°C by the end.

A typical December day in Sassari reaches about 14°C in the afternoon and slips back to 9°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 16°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)
11510
21510
31510
41410
51410
61410
71410
81410
91410
101410
111410
121410
13149
14149
15149
16149
17139
18139
19139
20139
21139
22139
23139
24139
25139
26139
27139
28139
29139
30139
31139

Sassari 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 daysDaylight (hours)Travel score
Jan12° / 5699.43.5
Feb12° / 538.710.43.4
Mar14° / 548.411.74.5
Apr16° / 11°60913.15.5
May20° / 14°466.414.27.1
Jun24° / 18°223.514.98.6
Jul27° / 21°71.314.68.8
Aug27° / 21°102.113.68.5
Sep24° / 19°436.112.37.9
Oct21° / 16°718.810.96.9
Nov17° / 12°9611.89.75.1
Dec14° / 7610.79.13.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35149
45248
55248
65347
75347
85446
95446
105347
115347
125446
135446
145446
155347
165248
175149
185149
195050
204951
214951
224951
234951
244951
254852
264852
274852
284852
294852
304852
314852

Chance of precipitation in December

Any precipitation

Sassari gets around 76 mm of rain over 10.7 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 34% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
437
537
637
736
836
935
1035
1134
1234
1334
1434
1533
1633
1733
1833
1933
2033
2133
2233
2333
2433
2533
2633
2733
2833
2932
3032
3131

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1973
2973
3973
4982
5982
6982
7982
8982
9982
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21982
22982
23982
24982
25982
26982
27982
28982
29982
30982
31982

Wind in December

Winds average 18 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 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 18 min at the start of December to 9 h 06 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 7:37 AM to 7:55 AM, and sunset from 4:54 PM to 5:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.37:374:54
29.37:384:54
39.37:394:54
49.27:404:54
59.27:404:54
69.27:414:54
79.27:424:54
89.27:434:54
99.27:444:54
109.27:454:54
119.17:454:54
129.17:464:54
139.17:474:54
149.17:484:54
159.17:484:55
169.17:494:55
179.17:504:55
189.17:504:55
199.17:514:56
209.17:514:56
219.17:524:57
229.17:524:57
239.17:534:58
249.17:534:58
259.17:544:59
269.17:544:59
279.17:545:00
289.17:555:00
299.17:555:01
309.17:555:02
319.17:555:02

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.81 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.81 kWh/m² to a high of 7.49 kWh/m² in July across the year — December's 1.81 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.9Dim
21.9Dim
31.9Dim
41.9Dim
51.9Dim
61.9Dim
71.9Dim
81.8Dim
91.8Dim
101.8Dim
111.8Dim
121.8Dim
131.8Dim
141.8Dim
151.8Dim
161.8Dim
171.8Dim
181.8Dim
191.8Dim
201.8Dim
211.8Dim
221.8Dim
231.8Dim
241.8Dim
251.8Dim
261.8Dim
271.8Dim
281.8Dim
291.8Dim
301.8Dim
311.8Dim
Planning a trip in December

Hazard calendar for Sassari

In seasonPeak

In December, Sassari sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Sassari's rainy season runs October–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Sassari?

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

3.9
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 Sassari.

What to pack for Sassari in December

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

In December, Sassari sees daytime highs around 14°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Sassari 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 18 km away) is warmest in August at about 25°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 9 to Oct 24 — about 4.5 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Bracing
May17Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep23Refreshing
Oct21Refreshing
Nov18Cool
Dec15Cool

UV index in Sassari 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 Sassari peaks around July 14 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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 14UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr5Moderate
May7High
Jun8Very high
Jul9Very high
Aug7Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Sassari?

Sassari sits at 40.7°N, 8.6°E, 225 m above sea level, in Italy. The nearest listed city is Monte Rosello, 1.0 km away.

NuoroOlbiaOristanoAjaccioIglesias

Topography around Sassari

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

Within 3 km, the terrain around Sassari has significant variations in elevation — a maximum elevation change of 263 m around an average of 197 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 754 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,336 m.

The land around Sassari is covered by trees (44%) and artificial surfaces (40%) within 3 km, grassland (38%) and trees (33%) within 16 km, and water (46%) and trees (25%) within 80 km.

3 km
263 m
16 km
754 m
80 km
1,336 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Monte Rosello 1.0 km · Porto Torres 17 km · Alghero 27 km · Nuoro 79 km · Olbia 82 km · Oristano 91 km · Ajaccio 134 km · Iglesias 158 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 Sassari (40.7259°, 8.5555°, elevation 225 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).