Bacoli weather in December

In December, Bacoli sees average daytime highs of 14°C and overnight lows near 12°C, with 133 mm of rain across 13.1 wet days and about 9.1 hours of daylight. It is the 9th-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 39% 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 Bacoli's 10th-clearest and 1st-windiest month. For the whole year in context, see Bacoli's year-round climate.

Daytime high
14°
9th warmest
Overnight low
12°
4th coldest
Rainfall
133 mm
13.1 wet days
Daylight
9 h 06 min
7:27 AM – 4:33 PM
Cloud cover
52%
10th clearest
Wind
19 km/h
1st windiest
Solar energy
1.75 kWh/m²
Travel score
4.0
out of 10

Bacoli 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 Bacoli reaches about 14°C in the afternoon and slips back to 12°C overnight — a 2°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)
11513
21513
31513
41513
51513
61513
71513
81512
91512
101512
111412
121412
131412
141412
151412
161412
171412
181412
191412
201411
211411
221411
231411
241311
251311
261311
271311
281311
291311
301311
311311

Bacoli weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 10°105119.43.5
Feb13° / 10°8910.410.43.4
Mar14° / 11°819.411.74.2
Apr16° / 13°63813.15.3
May19° / 17°365.414.27.1
Jun23° / 21°18314.98.6
Jul25° / 24°101.814.69.0
Aug26° / 24°172.413.68.6
Sep24° / 21°777.812.37.7
Oct21° / 18°1109.810.96.7
Nov17° / 15°16513.69.75.2
Dec14° / 12°13313.19.14.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35545
45545
55545
65446
75446
85446
95446
105446
115446
125446
135347
145347
155347
165347
175248
185248
195248
205248
215248
225248
235347
245347
255347
265446
275545
285644
295644
305644
315743

Chance of precipitation in December

Any precipitation

Bacoli gets around 133 mm of rain over 13.1 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 42% 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
745
845
944
1044
1144
1244
1343
1443
1542
1642
1742
1841
1941
2041
2141
2241
2340
2440
2540
2639
2739
2839
2939
3039
3138

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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
184151
285141
386131
487121
588111
689101
79190
89280
99370
109370
119460
129460
139550
149550
159550
169640
179640
189640
199640
209640
219550
229550
239550
249550
259550
269640
279640
289640
299640
309640
319730

Wind in December

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

Across December, daily wind ranges from about 19 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
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light 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 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 7:15 AM to 7:34 AM, and sunset from 4:32 PM to 4:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.37:154:32
29.37:164:32
39.37:174:32
49.27:184:32
59.27:194:31
69.27:194:31
79.27:204:31
89.27:214:31
99.27:224:31
109.17:234:31
119.17:244:32
129.17:244:32
139.17:254:32
149.17:264:32
159.17:274:32
169.17:274:33
179.17:284:33
189.17:284:33
199.17:294:34
209.17:304:34
219.17:304:34
229.17:314:35
239.17:314:35
249.17:314:36
259.17:324:36
269.17:324:37
279.17:334:38
289.17:334:38
299.17:334:39
309.17:334:39
319.17:344:40

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.75 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.75 kWh/m² to a high of 7.13 kWh/m² in June across the year — December's 1.75 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.8Dim
41.8Dim
51.8Dim
61.8Dim
71.8Dim
81.8Dim
91.8Dim
101.8Dim
111.8Dim
121.8Dim
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
261.8Dim
271.8Dim
281.8Dim
291.8Dim
301.8Dim
311.8Dim
Planning a trip in December

Hazard calendar for Bacoli

In seasonPeak

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

Bacoli's rainy season runs September–March, 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 Bacoli?

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

4.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a reasonable time to visit Bacoli for sightseeing.

What to pack for Bacoli in December

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

In December, Bacoli sees daytime highs around 14°C and nights near 12°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

Sea temperature near Bacoli 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 19 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 May 27 to Nov 5 — about 5.4 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep24Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Bacoli 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 Bacoli peaks around July 16 at about 9 (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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJul 16UV 9Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr4Moderate
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Bacoli 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 Bacoli is worst in April — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 916 µg/m³Dec 1110 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar16Moderate
Apr16Moderate
May14Moderate
Jun13Moderate
Jul11Good
Aug12Good
Sep12Good
Oct12Good
Nov10Good
Dec10Good
Location & terrain

Where is Bacoli?

Bacoli sits at 40.8°N, 14.1°E, 30 m above sea level, in Italy. The nearest listed city is Pozzuoli, 6.0 km away.

Topography around Bacoli

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

Within 3 km, the terrain around Bacoli has only modest variations in elevation — a maximum elevation change of 152 m around an average of 14 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 638 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,032 m.

The land around Bacoli is covered by water (65%) within 3 km, water (71%) within 16 km, and water (53%) and trees (30%) within 80 km.

3 km
152 m
16 km
638 m
80 km
2,032 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Pozzuoli 6.0 km · Monterusciello 8.0 km · Bagnoli 8.0 km · Posillipo 11 km · Quarto 11 km · Pianura 11 km · Soccavo 11 km · Fuorigrotta 11 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 Bacoli (40.7967°, 14.0735°, elevation 30 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).