Casco Histórico de Vallecas weather in December

In December, Casco Histórico de Vallecas sees average daytime highs of 11°C and overnight lows near 3°C, with 48 mm of precipitation across 7.4 wet days and about 9.2 hours of daylight. It is the 11th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 34% 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 12 min by month's end. Set against the rest of the year, December is Casco Histórico de Vallecas's 12th-clearest and 11th-windiest month. For the whole year in context, see Casco Histórico de Vallecas's year-round climate.

Daytime high
11°
11th warmest
Overnight low
2nd coldest
Precipitation
48 mm
7.4 wet days
Daylight
9 h 06 min
8:37 AM – 5:45 PM
Cloud cover
58%
12th clearest
Wind
9 km/h
11th windiest
Solar energy
1.85 kWh/m²
Travel score
2.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 11°C through the month.

A typical December day in Casco Histórico de Vallecas reaches about 11°C in the afternoon and slips back to 3°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 14°C. Set against its neighbours, December runs about 4°C cooler than November and on par with January.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
1124
2124
3124
4113
5113
6113
7113
8113
9113
10113
11113
12113
13113
14113
15113
16113
17113
18113
19113
20112
21112
22102
23102
24102
25102
26102
27102
28102
29102
30102
31102

How December really feels in Casco Histórico de Vallecas

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 12 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
12
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Casco Histórico de Vallecas weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 407.20.69.52.6
Feb13° / 356.40.510.43.8
Mar16° / 427.50.311.75.6
Apr19° / 528.20136.4
May24° / 12°488.2014.27.2
Jun29° / 16°224.1014.86.3
Jul34° / 19°81.5014.64.2
Aug33° / 19°122.9013.64.5
Sep27° / 15°264.2012.37.2
Oct21° / 11°627.9010.96.9
Nov14° / 557.809.84.5
Dec11° / 487.40.49.22.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24852
34852
44753
54654
64654
74654
84654
94654
104654
114555
124555
134555
144654
154654
164753
174753
184753
194852
204852
214951
224951
234951
245050
255050
264951
274951
284951
294951
304951
314951

Chance of precipitation in December

Any precipitationSnow

Casco Histórico de Vallecas gets around 48 mm of rain and snow over 7.4 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 24% and peaks near 26% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1261
2261
3251
4251
5251
6251
7251
8241
9241
10241
11241
12241
13241
14231
15231
16231
17231
18231
19232
20232
21232
22242
23242
24242
25242
26242
27242
28242
29242
30242
31242

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 (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 18 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 6 minutes over December. Sunrise moves from 8:24 AM to 8:43 AM, and sunset from 5:44 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.38:245:44
29.38:255:44
39.38:265:44
49.38:275:44
59.38:285:44
69.28:295:44
79.28:305:44
89.28:315:44
99.28:315:44
109.28:325:44
119.28:335:44
129.28:345:44
139.28:345:44
149.28:355:44
159.18:365:44
169.18:375:45
179.18:375:45
189.18:385:45
199.18:385:46
209.18:395:46
219.18:395:47
229.18:405:47
239.18:405:47
249.18:415:48
259.18:415:49
269.18:425:49
279.18:425:50
289.18:425:50
299.18:425:51
309.28:435:52
319.28:435:52

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.85 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.85 kWh/m² to a high of 7.84 kWh/m² in July across the year — December's 1.85 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
12.0Dim
22.0Dim
31.9Dim
41.9Dim
51.9Dim
61.9Dim
71.9Dim
81.9Dim
91.9Dim
101.9Dim
111.9Dim
121.9Dim
131.9Dim
141.8Dim
151.8Dim
161.8Dim
171.8Dim
181.8Dim
191.8Dim
201.8Dim
211.8Dim
221.8Dim
231.8Dim
241.8Dim
251.8Dim
261.9Dim
271.9Dim
281.9Dim
291.9Dim
301.9Dim
311.9Dim
Planning a trip in December

Is December a good time to visit Casco Histórico de Vallecas?

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

2.8
Sightseeing
11th-best month of the year
0.0
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Casco Histórico de Vallecas.

What to pack for Casco Histórico de Vallecas in December

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

In December, Casco Histórico de Vallecas sees daytime highs around 11°C and nights near 3°C. Pack a warm layer. About 7 days see rain.

a warm layer

UV index in Casco Histórico de Vallecas in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Casco Histórico de Vallecas peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 15UV 10Dec 19UV 2
UV index (midday)Level
Jan2Moderate
Feb2Moderate
Mar6High
Apr7High
May7High
Jun9Very high
Jul10Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low
Location & terrain

Where is Casco Histórico de Vallecas?

Casco Histórico de Vallecas sits at 40.3°N, 3.6°W, 621 m above sea level, in Spain. The nearest listed city is Villa de Vallecas, 2.0 km away.

Topography around Casco Histórico de Vallecas

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Casco Histórico de Vallecas.

Within 3 km, the terrain around Casco Histórico de Vallecas has only modest variations in elevation — a maximum elevation change of 109 m around an average of 613 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 280 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,998 m.

The land around Casco Histórico de Vallecas is covered by grassland (57%) and artificial surfaces (22%) within 3 km, artificial surfaces (37%), grassland (26%) and cropland (22%) within 16 km, and cropland (41%), grassland (32%) and trees (20%) within 80 km.

3 km
109 m
16 km
280 m
80 km
1,998 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Villa de Vallecas 2.0 km · Vallecas 4.0 km · Santa Eugenia 4.0 km · Palomeras Sureste 4.0 km · Butarque 5.0 km · Portazgo 5.0 km · Palomeras Bajas 5.0 km · Valdebernardo 6.0 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 Casco Histórico de Vallecas (40.3485°, -3.6162°, elevation 621 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. 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).