Anzio weather in December

In December, Anzio sees average daytime highs of 14°C and overnight lows near 11°C, with 121 mm of rain across 12.8 wet days and about 9.1 hours of daylight. It is the 9th-warmest and 3rd-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 40% 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 Anzio's 11th-clearest and 1st-windiest month. For the whole year in context, see Anzio's year-round climate.

Daytime high
14°
9th warmest
Overnight low
11°
4th coldest
Rainfall
121 mm
12.8 wet days
Daylight
9 hours
7:35 AM – 4:36 PM
Cloud cover
51%
11th clearest
Wind
17 km/h
1st windiest
Solar energy
1.69 kWh/m²
Travel score
3.8
out of 10

Anzio 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 15°C in the first days to 13°C by the end.

A typical December day in Anzio reaches about 14°C in the afternoon and slips back to 11°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 11°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)
11512
21512
31512
41512
51512
61512
71412
81412
91412
101412
111412
121411
131411
141411
151411
161411
171411
181411
191311
201311
211311
221311
231311
241311
251311
261311
271310
281310
291310
301310
311310

Anzio weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 10°8810.89.33.4
Feb12° / 10°8110.310.33.4
Mar14° / 11°738.911.74.2
Apr16° / 13°618.113.15.2
May19° / 17°395.714.37.0
Jun23° / 21°203.114.98.5
Jul25° / 23°131.914.79.1
Aug26° / 24°192.413.78.7
Sep23° / 21°897.912.37.6
Oct20° / 18°13211.110.96.4
Nov17° / 14°163149.74.9
Dec14° / 11°12112.89.13.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35347
45347
55347
65347
75347
85446
95446
105446
115446
125545
135545
145545
155545
165446
175545
185545
195545
205446
215446
225446
235446
245545
255545
265545
275644
285644
295545
305644
315644

Chance of precipitation in December

Any precipitation

Anzio gets around 121 mm of rain over 12.8 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 41% and peaks near 45% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
245
345
445
545
645
744
844
943
1043
1142
1242
1341
1441
1540
1640
1740
1840
1940
2039
2139
2239
2339
2439
2539
2638
2738
2838
2937
3037
3136

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
18614
28713
38812
49010
5919
6919
7928
8937
9946
10946
11955
12955
13964
14964
15964
16964
17964
18964
19964
20964
21964
22964
23964
24973
25973
26973
27973
28973
29973
30973
31982

Wind in December

Winds average 17 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 17 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

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 7:23 AM to 7:41 AM, and sunset from 4:36 PM to 4:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.27:234:36
29.27:244:36
39.27:254:36
49.27:254:35
59.17:264:35
69.17:274:35
79.17:284:35
89.17:294:35
99.17:304:35
109.17:314:35
119.17:324:35
129.17:324:35
139.07:334:36
149.07:344:36
159.07:354:36
169.07:354:36
179.07:364:36
189.07:364:37
199.07:374:37
209.07:384:38
219.07:384:38
229.07:394:38
239.07:394:39
249.07:394:39
259.07:404:40
269.07:404:41
279.07:414:41
289.07:414:42
299.07:414:42
309.07:414:43
319.07:414:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.69 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.69 kWh/m² to a high of 7.18 kWh/m² in July across the year — December's 1.69 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.8Dim
41.8Dim
51.7Dim
61.7Dim
71.7Dim
81.7Dim
91.7Dim
101.7Dim
111.7Dim
121.7Dim
131.7Dim
141.7Dim
151.7Dim
161.7Dim
171.7Dim
181.7Dim
191.7Dim
201.7Dim
211.7Dim
221.7Dim
231.7Dim
241.7Dim
251.7Dim
261.7Dim
271.7Dim
281.7Dim
291.7Dim
301.7Dim
311.7Dim
Planning a trip in December

Hazard calendar for Anzio

In seasonPeak

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

Anzio's rainy season runs September–February, 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 Anzio?

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

3.8
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Anzio.

What to pack for Anzio in December

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

In December, Anzio sees daytime highs around 14°C and nights near 11°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

Sea temperature near Anzio 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 offshore is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from May 30 to Nov 2 — about 5.2 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr16Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep24Refreshing
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Anzio 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 Anzio peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJul 15UV 10Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr4Moderate
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Anzio?

Anzio sits at 41.5°N, 12.6°E, 3 m above sea level, in Italy. The nearest listed city is Nettuno, 4.0 km away.

Topography around Anzio

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

Within 3 km, the terrain around Anzio has only modest variations in elevation — a maximum elevation change of 76 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 95 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,137 m.

The land around Anzio is covered by water (62%) and artificial surfaces (22%) within 3 km, water (62%) within 16 km, and water (46%) and trees (31%) within 80 km.

3 km
76 m
16 km
95 m
80 km
2,137 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Nettuno 4.0 km · Marina di Ardea-Tor San Lorenzo 13 km · Aprilia 16 km · Ardea 18 km · Torvaianica 23 km · Cisterna di Latina 23 km · Latina 24 km · Pomezia 26 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 Anzio (41.4526°, 12.6216°, 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).