Vilanova i la Geltrú weather in December

In December, Vilanova i la Geltrú sees average daytime highs of 13°C and overnight lows near 8°C, with 43 mm of precipitation across 5.9 wet days and about 9.1 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 13°C through the month. The sky is clear or mostly clear about 45% 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 h 06 min by month's end. Set against the rest of the year, December is Vilanova i la Geltrú's 10th-clearest and 1st-windiest month. For the whole year in context, see Vilanova i la Geltrú's year-round climate.

Daytime high
13°
10th warmest
Overnight low
3rd coldest
Precipitation
43 mm
5.9 wet days
Daylight
9 hours
8:18 AM – 5:21 PM
Cloud cover
48%
10th clearest
Wind
13 km/h
1st windiest
Solar energy
1.91 kWh/m²
Travel score
4.3
out of 10

Vilanova i la Geltrú is capital of municipality.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 13°C through the month.

A typical December day in Vilanova i la Geltrú reaches about 13°C in the afternoon and slips back to 8°C overnight — a 6°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 on par with January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1149
2148
3148
4148
5148
6148
7148
8148
9148
10148
11148
12148
13138
14138
15138
16137
17137
18137
19137
20137
21137
22137
23137
24137
25137
26137
27137
28137
29137
30137
31137

Vilanova i la Geltrú weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 436.59.44.0
Feb13° / 355.510.34.3
Mar15° / 436.411.75.1
Apr17° / 11°508.213.15.8
May20° / 14°456.714.36.9
Jun23° / 18°30514.98.0
Jul26° / 21°29514.78.0
Aug27° / 21°486.813.77.5
Sep24° / 19°9110.312.37.0
Oct21° / 15°909.710.96.6
Nov16° / 11°617.29.75.6
Dec13° / 435.99.14.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% 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 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36238
46238
56139
66139
76139
86139
95941
105941
115941
125842
135842
145743
155644
165644
175743
185644
195644
205644
215644
225743
235842
245842
255941
266040
276139
286139
296238
306238
316238

Chance of precipitation in December

Any precipitation

Vilanova i la Geltrú gets around 43 mm of rain and snow over 5.9 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 19% and peaks near 21% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
121
221
321
421
521
620
720
820
920
1020
1120
1220
1320
1420
1520
1620
1720
1820
1920
2020
2119
2219
2318
2417
2517
2616
2716
2815
2915
3015
3115

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 (%)Comfortable (%)
1973
2982
3982
4982
5991
6991
7991
8991
9991
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 13 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 12 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 6 minutes over December. Sunrise moves from 8:05 AM to 8:24 AM, and sunset from 5:20 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.28:055:20
29.28:065:20
39.28:075:20
49.28:085:20
59.28:095:20
69.28:105:19
79.18:115:19
89.18:125:19
99.18:135:19
109.18:145:19
119.18:145:20
129.18:155:20
139.18:165:20
149.18:175:20
159.08:175:20
169.08:185:21
179.08:195:21
189.08:195:21
199.08:205:21
209.08:205:22
219.08:215:22
229.08:215:23
239.08:225:23
249.08:225:24
259.08:235:24
269.08:235:25
279.08:235:26
289.08:245:26
299.08:245:27
309.18:245:27
319.18:245:28

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.91 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.91 kWh/m² to a high of 7.16 kWh/m² in June across the year — December's 1.91 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.0Moderate
32.0Moderate
42.0Moderate
52.0Moderate
62.0Dim
72.0Dim
81.9Dim
91.9Dim
101.9Dim
111.9Dim
121.9Dim
131.9Dim
141.9Dim
151.9Dim
161.9Dim
171.9Dim
181.9Dim
191.9Dim
201.9Dim
211.9Dim
221.9Dim
231.9Dim
241.9Dim
251.9Dim
261.9Dim
271.9Dim
281.9Dim
291.9Dim
301.9Dim
312.0Dim
Planning a trip in December

Is December a good time to visit Vilanova i la Geltrú?

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 Vilanova i la Geltrú for sightseeing.

What to pack for Vilanova i la Geltrú in December

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

In December, Vilanova i la Geltrú sees daytime highs around 13°C and nights near 8°C. Worth packing: a warm layer. About 6 days see rain.

a warm layer

Sea temperature near Vilanova i la Geltrú 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 14 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 Jun 8 to Oct 27 — about 4.7 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun21Refreshing
Jul24Warm
Aug26Warm
Sep24Warm
Oct21Refreshing
Nov18Cool
Dec15Cool

UV index in Vilanova i la Geltrú 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 Vilanova i la Geltrú peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 15UV 9Dec 19UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7High
May6High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Vilanova i la Geltrú?

Vilanova i la Geltrú sits at 41.2°N, 1.7°E, 25 m above sea level, in Spain. The nearest listed city is Sant Pere de Ribes, 6.0 km away.

Topography around Vilanova i la Geltrú

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Vilanova i la Geltrú.

Within 3 km, the terrain around Vilanova i la Geltrú has only modest variations in elevation — a maximum elevation change of 121 m around an average of 33 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 531 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,338 m.

The land around Vilanova i la Geltrú is covered by artificial surfaces (31%) and water (26%) within 3 km, water (46%) and trees (20%) within 16 km, and water (35%) and trees (33%) within 80 km.

3 km
121 m
16 km
531 m
80 km
1,338 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Sant Pere de Ribes 6.0 km · Sitges 7.0 km · Calafell 13 km · Vilafranca del Penedès 14 km · El Vendrell 16 km · Castelldefels 21 km · Gavà 25 km · Viladecans 26 km

Spain travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$38,627
2025
Happiness
6.5 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
3.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 540
Religion
Roman Catholic 58%atheist 16%agnostic 11%non-believer 11%

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 Vilanova i la Geltrú (41.2239°, 1.7251°, elevation 25 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).