Sant Joan d'Alacant weather in December

In December, Sant Joan d'Alacant sees average daytime highs of 15°C and overnight lows near 6°C, with 32 mm of precipitation across 5.3 wet days and about 9.4 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 15°C through the month. The sky is clear or mostly clear about 47% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of December to 9 h 24 min by month's end. Set against the rest of the year, December is Sant Joan d'Alacant's 8th-clearest and 6th-windiest month. For the whole year in context, see Sant Joan d'Alacant's year-round climate.

Daytime high: 15°; 11th warmest
Overnight low: 6°; 3rd coldest
Precipitation: 32 mm; 5.3 wet days
Daylight: 9 h 18 min; 8:18 AM – 5:38 PM
Cloud cover: 47%; 8th clearest
Wind: 9 km/h; 6th windiest
Solar energy: 2.25 kWh/m²
Travel score: 5.1; out of 10

Sant Joan d'Alacant is municipal capital of Sant Joan d'Alacant, Alicante, Valencian Community, Spain.

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

← November Sant Joan d'Alacant 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 15°C through the month.

A typical December day in Sant Joan d'Alacant reaches about 15°C in the afternoon and slips back to 6°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 18°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)	16	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	14	14	14	14	14	14	14	14	14	14
Avg low (°C)	7	7	7	7	7	7	7	7	7	7	7	7	7	7	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6

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

Sant Joan d'Alacant weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	14° / 5°	34	5.5	9.6	4.8
Feb	15° / 6°	30	5.4	10.5	5.3
Mar	17° / 8°	38	6.3	11.7	6.3
Apr	20° / 10°	48	7.4	13	6.7
May	23° / 13°	37	6	14.1	7.7
Jun	27° / 17°	19	3.2	14.6	7.8
Jul	30° / 20°	6	1.5	14.4	6.6
Aug	30° / 21°	16	3.7	13.5	6.2
Sep	27° / 18°	51	7.5	12.3	7.1
Oct	22° / 14°	46	7	11	7.3
Nov	18° / 9°	44	6.8	9.9	6.3
Dec	15° / 6°	32	5.3	9.4	5.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% 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 39%.

	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 (%)	61	61	60	60	60	60	61	61	60	60	59	59	59	59	59	59	60	60	60	60	61	61	61	62	62	63	64	65	65	65	65
Cloudier (%)	39	39	40	40	40	40	39	39	40	40	41	41	41	41	41	41	40	40	40	40	39	39	39	38	38	37	36	35	35	35	35

	Clearer (%)	Cloudier (%)
1	61	39
2	61	39
3	60	40
4	60	40
5	60	40
6	60	40
7	61	39
8	61	39
9	60	40
10	60	40
11	59	41
12	59	41
13	59	41
14	59	41
15	59	41
16	59	41
17	60	40
18	60	40
19	60	40
20	60	40
21	61	39
22	61	39
23	61	39
24	62	38
25	62	38
26	63	37
27	64	36
28	65	35
29	65	35
30	65	35
31	65	35

Chance of precipitation in December

Any precipitation

Sant Joan d'Alacant gets around 32 mm of rain and snow over 5.3 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 18% and peaks near 20% 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 (%)	19	19	19	18	18	18	18	18	18	18	19	19	19	20	20	20	20	20	19	19	18	18	17	17	16	16	15	15	15	14	14

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

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 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.

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

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 30 min at the start of December to 9 h 24 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 8:06 AM to 8:24 AM, and sunset from 5:37 PM to 5:46 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)	9.5	9.5	9.5	9.5	9.5	9.4	9.4	9.4	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	9.3	9.3	9.3	9.3	9.3	9.3	9.3	9.3	9.4
Sunrise (AM)	8:06	8:07	8:08	8:09	8:10	8:10	8:11	8:12	8:13	8:14	8:14	8:15	8:16	8:16	8:17	8:18	8:18	8:19	8:20	8:20	8:21	8:21	8:22	8:22	8:22	8:23	8:23	8:23	8:24	8:24	8:24
Sunset (PM)	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:38	5:38	5:38	5:39	5:39	5:39	5:40	5:40	5:41	5:41	5:42	5:42	5:43	5:44	5:44	5:45	5:46

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	9.5	8:06	5:37
2	9.5	8:07	5:37
3	9.5	8:08	5:37
4	9.5	8:09	5:37
5	9.5	8:10	5:37
6	9.4	8:10	5:37
7	9.4	8:11	5:37
8	9.4	8:12	5:37
9	9.4	8:13	5:37
10	9.4	8:14	5:37
11	9.4	8:14	5:37
12	9.4	8:15	5:37
13	9.4	8:16	5:37
14	9.3	8:16	5:37
15	9.3	8:17	5:38
16	9.3	8:18	5:38
17	9.3	8:18	5:38
18	9.3	8:19	5:39
19	9.3	8:20	5:39
20	9.3	8:20	5:39
21	9.3	8:21	5:40
22	9.3	8:21	5:40
23	9.3	8:22	5:41
24	9.3	8:22	5:41
25	9.3	8:22	5:42
26	9.3	8:23	5:42
27	9.3	8:23	5:43
28	9.3	8:23	5:44
29	9.3	8:24	5:44
30	9.3	8:24	5:45
31	9.4	8:24	5:46

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.25 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.25 kWh/m² to a high of 7.55 kWh/m² in June across the year — December's 2.25 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)	2.4	2.4	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.2	2.2	2.2	2.2	2.2	2.2	2.2	2.2	2.2	2.2	2.2	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.4
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	2.4	Moderate
2	2.4	Moderate
3	2.3	Moderate
4	2.3	Moderate
5	2.3	Moderate
6	2.3	Moderate
7	2.3	Moderate
8	2.3	Moderate
9	2.3	Moderate
10	2.3	Moderate
11	2.3	Moderate
12	2.2	Moderate
13	2.2	Moderate
14	2.2	Moderate
15	2.2	Moderate
16	2.2	Moderate
17	2.2	Moderate
18	2.2	Moderate
19	2.2	Moderate
20	2.2	Moderate
21	2.2	Moderate
22	2.2	Moderate
23	2.3	Moderate
24	2.3	Moderate
25	2.3	Moderate
26	2.3	Moderate
27	2.3	Moderate
28	2.3	Moderate
29	2.3	Moderate
30	2.3	Moderate
31	2.4	Moderate

Planning a trip in December

Is December a good time to visit Sant Joan d'Alacant?

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

5.1

Sightseeing

11th-best month of the year

0.1

Beach & pool

11th-best month of the year

December is a reasonable time to visit Sant Joan d'Alacant for sightseeing.

What to pack for Sant Joan d'Alacant in December

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

In December, Sant Joan d'Alacant sees daytime highs around 15°C and nights near 6°C. Worth packing: a warm layer. About 5 days see rain.

a warm layer

Sea temperature near Sant Joan d'Alacant in December

The nearest coast averages about 16°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 31 to Nov 4 — about 5.2 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	15	14	15	16	18	22	25	26	25	22	19	16
Comfort	Bracing	Bracing	Bracing	Cool	Cool	Refreshing	Warm	Warm	Warm	Refreshing	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	15	Bracing
Feb	14	Bracing
Mar	15	Bracing
Apr	16	Cool
May	18	Cool
Jun	22	Refreshing
Jul	25	Warm
Aug	26	Warm
Sep	25	Warm
Oct	22	Refreshing
Nov	19	Cool
Dec	16	Cool

UV index in Sant Joan d'Alacant 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 Sant Joan d'Alacant peaks around July 14 at about 10 (very high) — 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 9 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	2	3	6	8	7	9	10	8	7	4	3	2
Level	Moderate	Moderate	High	Very high	High	Very high	Very high	Very high	High	Moderate	Moderate	Low

	UV index (midday)	Level
Jan	2	Moderate
Feb	3	Moderate
Mar	6	High
Apr	8	Very high
May	7	High
Jun	9	Very high
Jul	10	Very high
Aug	8	Very high
Sep	7	High
Oct	4	Moderate
Nov	3	Moderate
Dec	2	Low

Location & terrain

Where is Sant Joan d'Alacant?

Sant Joan d'Alacant sits at 38.4°N, 0.4°W, 44 m above sea level, in Spain. The nearest listed city is Mutxamel, 2.0 km away.

Topography around Sant Joan d'Alacant

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sant Joan d'Alacant.

Within 3 km, the terrain around Sant Joan d'Alacant has only modest variations in elevation — a maximum elevation change of 94 m around an average of 40 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,191 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,544 m.

The land around Sant Joan d'Alacant is covered by grassland (39%) and artificial surfaces (31%) within 3 km, water (41%) and grassland (32%) within 16 km, and water (33%), trees (23%) and grassland (22%) within 80 km.

3 km

94 m

grassland 39%

16 km

1,191 m

water 41%

80 km

1,544 m

water 33%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← November Sant Joan d'Alacant year-round climate January →Best places to visit in December

December weather nearby: Mutxamel 2.0 km · El Campello 5.0 km · Alicante 7.0 km · San Vicent del Raspeig 8.0 km · Villajoyosa 21 km · Santa Pola 26 km · Ibi 28 km · Elche 28 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 Sant Joan d'Alacant (38.4015°, -0.4362°, elevation 44 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).

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

	Clearer (%)	Cloudier (%)
1	61	39
2	61	39
3	60	40
4	60	40
5	60	40
6	60	40
7	61	39
8	61	39
9	60	40
10	60	40
11	59	41
12	59	41
13	59	41
14	59	41
15	59	41
16	59	41
17	60	40
18	60	40
19	60	40
20	60	40
21	61	39
22	61	39
23	61	39
24	62	38
25	62	38
26	63	37
27	64	36
28	65	35
29	65	35
30	65	35
31	65	35

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

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

	Clearer (%)	Cloudier (%)
1	61	39
2	61	39
3	60	40
4	60	40
5	60	40
6	60	40
7	61	39
8	61	39
9	60	40
10	60	40
11	59	41
12	59	41
13	59	41
14	59	41
15	59	41
16	59	41
17	60	40
18	60	40
19	60	40
20	60	40
21	61	39
22	61	39
23	61	39
24	62	38
25	62	38
26	63	37
27	64	36
28	65	35
29	65	35
30	65	35
31	65	35

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

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

	Clearer (%)	Cloudier (%)
1	61	39
2	61	39
3	60	40
4	60	40
5	60	40
6	60	40
7	61	39
8	61	39
9	60	40
10	60	40
11	59	41
12	59	41
13	59	41
14	59	41
15	59	41
16	59	41
17	60	40
18	60	40
19	60	40
20	60	40
21	61	39
22	61	39
23	61	39
24	62	38
25	62	38
26	63	37
27	64	36
28	65	35
29	65	35
30	65	35
31	65	35

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

	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