Alcázar de San Juan weather in December

In December, Alcázar de San Juan sees average daytime highs of 11°C and overnight lows near 3°C, with 41 mm of precipitation across 6.8 wet days and about 9.3 hours of daylight. It is the 11th-warmest and 4th-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 36% 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 18 min by month's end. Set against the rest of the year, December is Alcázar de San Juan's 12th-clearest and 7th-windiest month. For the whole year in context, see Alcázar de San Juan's year-round climate.

Daytime high: 11°; 11th warmest
Overnight low: 3°; 2nd coldest
Precipitation: 41 mm; 6.8 wet days
Daylight: 9 h 12 min; 8:32 AM – 5:46 PM
Cloud cover: 57%; 12th clearest
Wind: 11 km/h; 7th windiest
Solar energy: 1.97 kWh/m²
Travel score: 3.1; out of 10

Alcázar de San Juan is capital of Alcázar de San Juan Municipality, Spain.

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

← November Alcázar de San Juan year-round climate January →Best places to visit in December

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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 Alcázar de San Juan 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 8°C and 14°C. Set against its neighbours, December runs about 3°C cooler than November and on par with January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	12	12	12	12	12	12	12	12	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11
Avg low (°C)	4	4	4	4	4	4	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	2	2	2

	Avg high (°C)	Avg low (°C)
1	12	4
2	12	4
3	12	4
4	12	4
5	12	4
6	12	4
7	12	3
8	12	3
9	11	3
10	11	3
11	11	3
12	11	3
13	11	3
14	11	3
15	11	3
16	11	3
17	11	3
18	11	3
19	11	3
20	11	3
21	11	3
22	11	3
23	11	3
24	11	3
25	11	3
26	11	3
27	11	3
28	11	3
29	11	2
30	11	2
31	11	2

How December really feels in Alcázar de San Juan

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 15 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Alcázar de San Juan weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	11° / 2°	30	6.6	0.5	9.5	2.8
Feb	13° / 3°	29	6	0.4	10.5	3.9
Mar	17° / 6°	35	6.7	0.2	11.7	5.8
Apr	19° / 8°	44	8.1	0.1	13	6.5
May	24° / 12°	39	7.1	0	14.1	7.4
Jun	30° / 17°	19	3.9	0	14.7	6.0
Jul	34° / 20°	7	1.7	0	14.5	3.8
Aug	34° / 19°	10	2.2	0	13.5	4.2
Sep	28° / 15°	22	3.9	0	12.3	7.1
Oct	21° / 11°	44	7.1	0	11	7.1
Nov	15° / 6°	42	6.5	0	9.8	4.8
Dec	11° / 3°	41	6.8	0.4	9.3	3.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% 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 50%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	50	50	49	49	50	49	49	49	48	48	48	48	48	49	49	49	49	50	51	51	52	51	51	52	52	52	51	52	52	51	51
Cloudier (%)	50	50	51	51	50	51	51	51	52	52	52	52	52	51	51	51	51	50	49	49	48	49	49	48	48	48	49	48	48	49	49

	Clearer (%)	Cloudier (%)
1	50	50
2	50	50
3	49	51
4	49	51
5	50	50
6	49	51
7	49	51
8	49	51
9	48	52
10	48	52
11	48	52
12	48	52
13	48	52
14	49	51
15	49	51
16	49	51
17	49	51
18	50	50
19	51	49
20	51	49
21	52	48
22	51	49
23	51	49
24	52	48
25	52	48
26	52	48
27	51	49
28	52	48
29	52	48
30	51	49
31	51	49

Chance of precipitation in December

Any precipitationSnow

Alcázar de San Juan gets around 41 mm of rain and snow over 6.8 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 21% and peaks near 23% on the wettest days, and about 0 day brings snow.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	23	23	23	23	22	22	22	22	22	22	22	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21
Snow chance (%)	1	1	1	1	2	2	2	2	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1

	Rain chance (%)	Snow chance (%)
1	23	1
2	23	1
3	23	1
4	23	1
5	22	2
6	22	2
7	22	2
8	22	2
9	22	2
10	22	2
11	22	2
12	21	2
13	21	2
14	21	1
15	21	1
16	21	1
17	21	1
18	21	1
19	21	1
20	21	1
21	21	1
22	21	1
23	21	1
24	21	1
25	21	1
26	21	1
27	21	1
28	21	1
29	21	1
30	21	1
31	21	1

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	11	calm
2	11	calm
3	11	calm
4	11	calm
5	11	calm
6	11	calm
7	11	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	11	calm
14	11	calm
15	11	calm
16	11	calm
17	11	calm
18	11	calm
19	11	calm
20	11	calm
21	11	calm
22	11	calm
23	11	calm
24	11	calm
25	11	calm
26	11	calm
27	11	calm
28	11	calm
29	11	calm
30	11	calm
31	11	calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 24 min at the start of December to 9 h 18 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 8:20 AM to 8:38 AM, and sunset from 5:45 PM to 5:54 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	9.4	9.4	9.4	9.4	9.4	9.3	9.3	9.3	9.3	9.3	9.3	9.3	9.3	9.3	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.3	9.3
Sunrise (AM)	8:20	8:21	8:22	8:23	8:23	8:24	8:25	8:26	8:27	8:28	8:28	8:29	8:30	8:31	8:31	8:32	8:33	8:33	8:34	8:34	8:35	8:35	8:36	8:36	8:37	8:37	8:37	8:38	8:38	8:38	8:38
Sunset (PM)	5:45	5:45	5:45	5:45	5:45	5:45	5:45	5:45	5:45	5:45	5:45	5:45	5:45	5:46	5:46	5:46	5:46	5:47	5:47	5:47	5:48	5:48	5:49	5:49	5:50	5:50	5:51	5:52	5:52	5:53	5:54

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	9.4	8:20	5:45
2	9.4	8:21	5:45
3	9.4	8:22	5:45
4	9.4	8:23	5:45
5	9.4	8:23	5:45
6	9.3	8:24	5:45
7	9.3	8:25	5:45
8	9.3	8:26	5:45
9	9.3	8:27	5:45
10	9.3	8:28	5:45
11	9.3	8:28	5:45
12	9.3	8:29	5:45
13	9.3	8:30	5:45
14	9.3	8:31	5:46
15	9.2	8:31	5:46
16	9.2	8:32	5:46
17	9.2	8:33	5:46
18	9.2	8:33	5:47
19	9.2	8:34	5:47
20	9.2	8:34	5:47
21	9.2	8:35	5:48
22	9.2	8:35	5:48
23	9.2	8:36	5:49
24	9.2	8:36	5:49
25	9.2	8:37	5:50
26	9.2	8:37	5:50
27	9.2	8:37	5:51
28	9.2	8:38	5:52
29	9.2	8:38	5:52
30	9.3	8:38	5:53
31	9.3	8:38	5:54

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.97 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.97 kWh/m² to a high of 7.88 kWh/m² in July across the year — December's 1.97 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	2.1	2.1	2.1	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Moderate

	Solar energy (kWh/m²)	Level
1	2.1	Moderate
2	2.1	Moderate
3	2.1	Moderate
4	2.0	Moderate
5	2.0	Moderate
6	2.0	Moderate
7	2.0	Moderate
8	2.0	Moderate
9	2.0	Dim
10	2.0	Dim
11	2.0	Dim
12	2.0	Dim
13	2.0	Dim
14	2.0	Dim
15	2.0	Dim
16	2.0	Dim
17	2.0	Dim
18	2.0	Dim
19	2.0	Dim
20	2.0	Dim
21	2.0	Dim
22	2.0	Dim
23	2.0	Dim
24	2.0	Dim
25	2.0	Dim
26	2.0	Dim
27	2.0	Dim
28	2.0	Dim
29	2.0	Dim
30	2.0	Dim
31	2.0	Moderate

Planning a trip in December

Is December a good time to visit Alcázar de San Juan?

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

3.1

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 Alcázar de San Juan.

What to pack for Alcázar de San Juan in December

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

In December, Alcázar de San Juan 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 Alcázar de San Juan 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 Alcázar de San Juan peaks around July 16 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 2 (low).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	2	3	6	7	7	9	10	9	7	5	3	2
Level	Moderate	Moderate	High	Very high	High	Very high	Extreme	Very high	High	Moderate	Moderate	Low

	UV index (midday)	Level
Jan	2	Moderate
Feb	3	Moderate
Mar	6	High
Apr	7	Very high
May	7	High
Jun	9	Very high
Jul	10	Extreme
Aug	9	Very high
Sep	7	High
Oct	5	Moderate
Nov	3	Moderate
Dec	2	Low

Location & terrain

Where is Alcázar de San Juan?

Alcázar de San Juan sits at 39.4°N, 3.2°W, 644 m above sea level, in Spain. The nearest listed city is Campo de Criptana, 7.0 km away.

Topography around Alcázar de San Juan

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Alcázar de San Juan.

Within 3 km, the terrain around Alcázar de San Juan has only modest variations in elevation — a maximum elevation change of 94 m around an average of 651 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 183 m; within 80 km, large variations in elevation — a maximum elevation change of 822 m.

The land around Alcázar de San Juan is covered by cropland (56%) and artificial surfaces (21%) within 3 km, cropland (79%) within 16 km, and cropland (71%) within 80 km.

3 km

94 m

cropland 56%

16 km

183 m

cropland 79%

80 km

822 m

cropland 71%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← November Alcázar de San Juan year-round climate January →Best places to visit in December

December weather nearby: Campo de Criptana 7.0 km · Tomelloso 30 km · Manzanares 46 km · La Solana 50 km · Daimiel 50 km · Villarrobledo 54 km · Tarancón 71 km · Valdepeñas 71 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

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 Alcázar de San Juan (39.3901°, -3.2083°, elevation 644 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).

	Avg high (°C)	Avg low (°C)
1	12	4
2	12	4
3	12	4
4	12	4
5	12	4
6	12	4
7	12	3
8	12	3
9	11	3
10	11	3
11	11	3
12	11	3
13	11	3
14	11	3
15	11	3
16	11	3
17	11	3
18	11	3
19	11	3
20	11	3
21	11	3
22	11	3
23	11	3
24	11	3
25	11	3
26	11	3
27	11	3
28	11	3
29	11	2
30	11	2
31	11	2

	Clearer (%)	Cloudier (%)
1	50	50
2	50	50
3	49	51
4	49	51
5	50	50
6	49	51
7	49	51
8	49	51
9	48	52
10	48	52
11	48	52
12	48	52
13	48	52
14	49	51
15	49	51
16	49	51
17	49	51
18	50	50
19	51	49
20	51	49
21	52	48
22	51	49
23	51	49
24	52	48
25	52	48
26	52	48
27	51	49
28	52	48
29	52	48
30	51	49
31	51	49

	Rain chance (%)	Snow chance (%)
1	23	1
2	23	1
3	23	1
4	23	1
5	22	2
6	22	2
7	22	2
8	22	2
9	22	2
10	22	2
11	22	2
12	21	2
13	21	2
14	21	1
15	21	1
16	21	1
17	21	1
18	21	1
19	21	1
20	21	1
21	21	1
22	21	1
23	21	1
24	21	1
25	21	1
26	21	1
27	21	1
28	21	1
29	21	1
30	21	1
31	21	1

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	12	4
2	12	4
3	12	4
4	12	4
5	12	4
6	12	4
7	12	3
8	12	3
9	11	3
10	11	3
11	11	3
12	11	3
13	11	3
14	11	3
15	11	3
16	11	3
17	11	3
18	11	3
19	11	3
20	11	3
21	11	3
22	11	3
23	11	3
24	11	3
25	11	3
26	11	3
27	11	3
28	11	3
29	11	2
30	11	2
31	11	2

	Clearer (%)	Cloudier (%)
1	50	50
2	50	50
3	49	51
4	49	51
5	50	50
6	49	51
7	49	51
8	49	51
9	48	52
10	48	52
11	48	52
12	48	52
13	48	52
14	49	51
15	49	51
16	49	51
17	49	51
18	50	50
19	51	49
20	51	49
21	52	48
22	51	49
23	51	49
24	52	48
25	52	48
26	52	48
27	51	49
28	52	48
29	52	48
30	51	49
31	51	49

	Rain chance (%)	Snow chance (%)
1	23	1
2	23	1
3	23	1
4	23	1
5	22	2
6	22	2
7	22	2
8	22	2
9	22	2
10	22	2
11	22	2
12	21	2
13	21	2
14	21	1
15	21	1
16	21	1
17	21	1
18	21	1
19	21	1
20	21	1
21	21	1
22	21	1
23	21	1
24	21	1
25	21	1
26	21	1
27	21	1
28	21	1
29	21	1
30	21	1
31	21	1

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	12	4
2	12	4
3	12	4
4	12	4
5	12	4
6	12	4
7	12	3
8	12	3
9	11	3
10	11	3
11	11	3
12	11	3
13	11	3
14	11	3
15	11	3
16	11	3
17	11	3
18	11	3
19	11	3
20	11	3
21	11	3
22	11	3
23	11	3
24	11	3
25	11	3
26	11	3
27	11	3
28	11	3
29	11	2
30	11	2
31	11	2

	Clearer (%)	Cloudier (%)
1	50	50
2	50	50
3	49	51
4	49	51
5	50	50
6	49	51
7	49	51
8	49	51
9	48	52
10	48	52
11	48	52
12	48	52
13	48	52
14	49	51
15	49	51
16	49	51
17	49	51
18	50	50
19	51	49
20	51	49
21	52	48
22	51	49
23	51	49
24	52	48
25	52	48
26	52	48
27	51	49
28	52	48
29	52	48
30	51	49
31	51	49

	Rain chance (%)	Snow chance (%)
1	23	1
2	23	1
3	23	1
4	23	1
5	22	2
6	22	2
7	22	2
8	22	2
9	22	2
10	22	2
11	22	2
12	21	2
13	21	2
14	21	1
15	21	1
16	21	1
17	21	1
18	21	1
19	21	1
20	21	1
21	21	1
22	21	1
23	21	1
24	21	1
25	21	1
26	21	1
27	21	1
28	21	1
29	21	1
30	21	1
31	21	1

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100