Oristano weather in December

In December, Oristano sees average daytime highs of 14°C and overnight lows near 9°C, with 87 mm of rain across 10.5 wet days and about 9.2 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 14°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 24 min at the start of December to 9 h 12 min by month's end. Set against the rest of the year, December is Oristano's 10th-clearest and 1st-windiest month. For the whole year in context, see Oristano's year-round climate.

Daytime high
14°
10th warmest
Overnight low
4th coldest
Rainfall
87 mm
10.5 wet days
Daylight
9 h 12 min
7:46 AM – 4:57 PM
Cloud cover
55%
10th clearest
Wind
15 km/h
1st windiest
Solar energy
1.86 kWh/m²
Travel score
4.3
out of 10
Air quality
Good
PM10 26.5 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 14°C by the end.

A typical December day in Oristano reaches about 14°C in the afternoon and slips back to 9°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 17°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
41510
51510
61510
71510
81510
91510
101510
111510
121510
13159
14149
15149
16149
17149
18149
19149
20149
21149
22149
23149
24149
25149
26149
27149
28149
29149
30149
31148

Oristano 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
Jan13° / 668.99.53.9
Feb13° / 608.710.43.8
Mar15° / 558.111.74.9
Apr17° / 11°588.4135.9
May21° / 14°41614.27.3
Jun25° / 18°162.914.88.6
Jul27° / 20°40.914.58.7
Aug28° / 21°81.713.68.0
Sep25° / 19°385.112.38.0
Oct22° / 16°668.210.97.1
Nov18° / 12°10211.49.85.5
Dec14° / 8710.59.24.3

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 21% of December, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25347
35347
45446
55446
65545
75545
85545
95644
105644
115644
125545
135545
145545
155347
165347
175149
185149
195050
205050
214951
224951
234852
244852
254951
264951
274951
284951
294951
304951
315050

Chance of precipitation in December

Any precipitation

Oristano gets around 87 mm of rain over 10.5 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 39% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
338
438
538
637
737
837
936
1036
1135
1235
1335
1434
1534
1634
1733
1833
1933
2033
2133
2232
2332
2432
2532
2631
2731
2831
2930
3030
3129

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1955
2955
3964
4964
5973
6973
7973
8973
9982
10982
11982
12982
13982
14982
15982
16982
17982
18982
19982
20982
21973
22973
23973
24973
25973
26973
27973
28973
29973
30973
31973

Wind in December

Winds average 15 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 15 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
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 24 min at the start of December to 9 h 12 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 7:34 AM to 7:53 AM, and sunset from 4:57 PM to 5:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.47:344:57
29.47:354:57
39.37:364:56
49.37:374:56
59.37:384:56
69.37:394:56
79.37:404:56
89.37:404:56
99.27:414:56
109.27:424:56
119.27:434:56
129.27:444:56
139.27:444:57
149.27:454:57
159.27:464:57
169.27:464:57
179.27:474:58
189.27:484:58
199.27:484:58
209.27:494:59
219.27:494:59
229.27:505:00
239.27:505:00
249.27:515:01
259.27:515:01
269.27:515:02
279.27:525:02
289.27:525:03
299.27:525:04
309.27:525:04
319.27:535:05

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.86 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.86 kWh/m² to a high of 7.5 kWh/m² in July across the year — December's 1.86 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
12.0Dim
21.9Dim
31.9Dim
41.9Dim
51.9Dim
61.9Dim
71.9Dim
81.9Dim
91.9Dim
101.9Dim
111.9Dim
121.9Dim
131.9Dim
141.9Dim
151.9Dim
161.8Dim
171.8Dim
181.8Dim
191.8Dim
201.8Dim
211.8Dim
221.8Dim
231.8Dim
241.8Dim
251.9Dim
261.9Dim
271.9Dim
281.9Dim
291.9Dim
301.9Dim
311.9Dim
Planning a trip in December

Hazard calendar for Oristano

In seasonPeak

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

Oristano's rainy season runs October–April, 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 Oristano?

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

4.3
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a reasonable time to visit Oristano for sightseeing.

What to pack for Oristano in December

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

In December, Oristano 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 Oristano in December

The nearest coast averages about 16°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 19 km away) is warmest in August at about 25°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 7 to Oct 28 — about 4.7 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep23Refreshing
Oct21Refreshing
Nov18Cool
Dec16Cool

UV index in Oristano 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 Oristano peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 16UV 9Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr4Moderate
May7Very high
Jun8Very high
Jul9Very high
Aug7Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec1Low
Location & terrain

Where is Oristano?

Oristano sits at 39.9°N, 8.6°E, 9 m above sea level, in Italy. The nearest listed city is Iglesias, 66 km away.

IglesiasAsseminiAlgheroNuoroSestuCarboniaSinnaiMonserrato

Topography around Oristano

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

Within 3 km, the terrain around Oristano has only modest variations in elevation — a maximum elevation change of 23 m around an average of 6 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 627 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,816 m.

The land around Oristano is covered by cropland (38%), grassland (26%) and artificial surfaces (21%) within 3 km, cropland (35%), grassland (23%) and water (22%) within 16 km, and trees (34%), water (28%) and grassland (20%) within 80 km.

3 km
23 m
16 km
627 m
80 km
1,816 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Iglesias 66 km · Assemini 76 km · Alghero 77 km · Nuoro 78 km · Sestu 80 km · Carbonia 82 km · Sinnai 85 km · Monserrato 86 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 Oristano (39.9036°, 8.5926°, elevation 9 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).