Sant Antoni de Portmany weather in December

In December, Sant Antoni de Portmany sees average daytime highs of 16°C and overnight lows near 12°C, with 36 mm of rain across 5.3 wet days and about 9.3 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 16°C through the month. The sky is clear or mostly clear about 46% 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 18 min by month's end. Set against the rest of the year, December is Sant Antoni de Portmany's 11th-clearest and 2nd-windiest month. For the whole year in context, see Sant Antoni de Portmany's year-round climate.

Daytime high: 16°; 10th warmest
Overnight low: 12°; 4th coldest
Rainfall: 36 mm; 5.3 wet days
Daylight: 9 h 18 min; 8:13 AM – 5:29 PM
Cloud cover: 46%; 11th clearest
Wind: 18 km/h; 2nd windiest
Solar energy: 2.18 kWh/m²
Travel score: 5.8; out of 10

Sant Antoni de Portmany is municipal capital of the homonymous municipality of Ibiza, Spain.

Air quality: Good; PM10 16.8 µg/m³ · 2019
Density: 172/km²; people per km²

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

← November Sant Antoni de Portmany 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 16°C through the month.

A typical December day in Sant Antoni de Portmany reaches about 16°C in the afternoon and slips back to 12°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 18°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than 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)	17	17	17	17	17	17	17	17	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16
Avg low (°C)	13	13	13	13	13	13	13	13	13	13	13	13	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12

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

Sant Antoni de Portmany weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	15° / 11°	31	5.5	9.6	5.3
Feb	15° / 11°	25	4.8	10.5	5.4
Mar	17° / 12°	21	4.1	11.7	6.4
Apr	19° / 14°	25	4.7	13	7.1
May	22° / 17°	20	3	14.1	8.1
Jun	26° / 21°	7	1.7	14.7	8.7
Jul	29° / 23°	3	0.4	14.5	7.7
Aug	29° / 24°	16	1.9	13.5	6.9
Sep	27° / 22°	41	4.6	12.3	7.7
Oct	23° / 19°	46	5.5	11	7.8
Nov	19° / 15°	47	6.7	9.9	6.7
Dec	16° / 12°	36	5.3	9.3	5.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 35%.

	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 (%)	64	64	65	65	65	66	66	66	66	66	66	66	66	65	64	64	64	65	65	65	65	65	64	65	65	66	66	66	67	67	67
Cloudier (%)	36	36	35	35	35	34	34	34	34	34	34	34	34	35	36	36	36	35	35	35	35	35	36	35	35	34	34	34	33	33	33

	Clearer (%)	Cloudier (%)
1	64	36
2	64	36
3	65	35
4	65	35
5	65	35
6	66	34
7	66	34
8	66	34
9	66	34
10	66	34
11	66	34
12	66	34
13	66	34
14	65	35
15	64	36
16	64	36
17	64	36
18	65	35
19	65	35
20	65	35
21	65	35
22	65	35
23	64	36
24	65	35
25	65	35
26	66	34
27	66	34
28	66	34
29	67	33
30	67	33
31	67	33

Chance of precipitation in December

Any precipitation

Sant Antoni de Portmany gets around 36 mm of rain 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 rain averages around 18% and peaks near 22% on the wettest days. The odds ease toward the end of the month.

	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 (%)	22	21	20	20	19	19	19	18	18	18	18	18	18	18	18	19	19	19	19	18	18	17	17	16	16	15	14	14	13	13	13

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

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 92% 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 (%)	85	86	87	88	89	89	90	91	91	92	92	92	92	92	92	92	92	92	92	92	92	92	93	93	93	94	94	95	95	96	96
Comfortable (%)	15	14	13	12	11	11	10	9	9	8	8	8	8	8	8	8	8	8	8	8	8	8	7	7	7	6	6	5	5	4	4

	Dry (%)	Comfortable (%)
1	85	15
2	86	14
3	87	13
4	88	12
5	89	11
6	89	11
7	90	10
8	91	9
9	91	9
10	92	8
11	92	8
12	92	8
13	92	8
14	92	8
15	92	8
16	92	8
17	92	8
18	92	8
19	92	8
20	92	8
21	92	8
22	92	8
23	93	7
24	93	7
25	93	7
26	94	6
27	94	6
28	95	5
29	95	5
30	96	4
31	96	4

Wind in December

Winds average 18 km/h in December.

Across December, daily wind ranges from about 18 km/h on the calmest days to 19 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)	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	19	19	19	19	19	18	18	18	18
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

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

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 30 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 12 minutes over December. Sunrise moves from 8:01 AM to 8:19 AM, and sunset from 5:29 PM to 5:37 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	9.4	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	9.3	9.3	9.3	9.3	9.3	9.3
Sunrise (AM)	8:01	8:02	8:02	8:03	8:04	8:05	8:06	8:07	8:08	8:08	8:09	8:10	8:11	8:11	8:12	8:13	8:13	8:14	8:14	8:15	8:15	8:16	8:16	8:17	8:17	8:18	8:18	8:18	8:18	8:19	8:19
Sunset (PM)	5:29	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:28	5:29	5:29	5:29	5:29	5:30	5:30	5:30	5:31	5:31	5:32	5:32	5:33	5:33	5:34	5:34	5:35	5:36	5:36	5:37

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	9.5	8:01	5:29
2	9.4	8:02	5:28
3	9.4	8:02	5:28
4	9.4	8:03	5:28
5	9.4	8:04	5:28
6	9.4	8:05	5:28
7	9.4	8:06	5:28
8	9.4	8:07	5:28
9	9.3	8:08	5:28
10	9.3	8:08	5:28
11	9.3	8:09	5:28
12	9.3	8:10	5:28
13	9.3	8:11	5:29
14	9.3	8:11	5:29
15	9.3	8:12	5:29
16	9.3	8:13	5:29
17	9.3	8:13	5:30
18	9.3	8:14	5:30
19	9.3	8:14	5:30
20	9.3	8:15	5:31
21	9.3	8:15	5:31
22	9.3	8:16	5:32
23	9.3	8:16	5:32
24	9.3	8:17	5:33
25	9.3	8:17	5:33
26	9.3	8:18	5:34
27	9.3	8:18	5:34
28	9.3	8:18	5:35
29	9.3	8:18	5:36
30	9.3	8:19	5:36
31	9.3	8:19	5:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.18 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.18 kWh/m² to a high of 7.57 kWh/m² in June across the year — December's 2.18 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)	2.3	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	2.1	2.1	2.1	2.1	2.1	2.1	2.2	2.2	2.2	2.2	2.2	2.2	2.2	2.2	2.2	2.3
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	2.3	Moderate
2	2.3	Moderate
3	2.3	Moderate
4	2.3	Moderate
5	2.2	Moderate
6	2.2	Moderate
7	2.2	Moderate
8	2.2	Moderate
9	2.2	Moderate
10	2.2	Moderate
11	2.2	Moderate
12	2.2	Moderate
13	2.2	Moderate
14	2.2	Moderate
15	2.2	Moderate
16	2.1	Moderate
17	2.1	Moderate
18	2.1	Moderate
19	2.1	Moderate
20	2.1	Moderate
21	2.1	Moderate
22	2.2	Moderate
23	2.2	Moderate
24	2.2	Moderate
25	2.2	Moderate
26	2.2	Moderate
27	2.2	Moderate
28	2.2	Moderate
29	2.2	Moderate
30	2.2	Moderate
31	2.3	Moderate

Planning a trip in December

Is December a good time to visit Sant Antoni de Portmany?

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

5.8

Sightseeing

10th-best month of the year

0.8

Beach & pool

10th-best month of the year

December is a reasonable time to visit Sant Antoni de Portmany for sightseeing.

What to pack for Sant Antoni de Portmany in December

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

In December, Sant Antoni de Portmany sees daytime highs around 16°C and nights near 12°C. Worth packing: a warm layer. About 5 days see rain.

a warm layer

Sea temperature near Sant Antoni de Portmany 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 at the nearest coast (about 13 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 Jun 2 to Nov 5 — 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 Antoni de Portmany 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 Antoni de Portmany peaks around July 16 at about 9 (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	5	4	7	9	10	8	7	4	2	2
Level	Moderate	Moderate	High	Moderate	High	Very high	Very high	Very high	High	Moderate	Moderate	Low

	UV index (midday)	Level
Jan	2	Moderate
Feb	3	Moderate
Mar	5	High
Apr	4	Moderate
May	7	High
Jun	9	Very high
Jul	10	Very high
Aug	8	Very high
Sep	7	High
Oct	4	Moderate
Nov	2	Moderate
Dec	2	Low

Location & terrain

Where is Sant Antoni de Portmany?

Sant Antoni de Portmany sits at 39.0°N, 1.3°E, 14 m above sea level, in Spain. The nearest listed city is Ibiza, 14 km away.

Topography around Sant Antoni de Portmany

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sant Antoni de Portmany.

Within 3 km, the terrain around Sant Antoni de Portmany has only modest variations in elevation — a maximum elevation change of 240 m around an average of 34 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 485 m; within 80 km, significant variations in elevation — a maximum elevation change of 477 m.

The land around Sant Antoni de Portmany is covered by water (25%), trees (23%) and grassland (23%) within 3 km, water (51%) and trees (26%) within 16 km, and water (93%) within 80 km.

3 km

240 m

water 25%

16 km

485 m

water 51%

80 km

477 m

water 93%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← November Sant Antoni de Portmany year-round climate January →Best places to visit in December

December weather nearby: Ibiza 14 km · Santa Eulària des Riu 20 km · Javea 101 km · Denia 105 km · Calp 115 km · Calvià 122 km · Oliva 123 km · Altea 125 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 Antoni de Portmany (38.9807°, 1.3036°, elevation 14 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	17	13
2	17	13
3	17	13
4	17	13
5	17	13
6	17	13
7	17	13
8	17	13
9	16	13
10	16	13
11	16	13
12	16	13
13	16	12
14	16	12
15	16	12
16	16	12
17	16	12
18	16	12
19	16	12
20	16	12
21	16	12
22	16	12
23	16	12
24	16	12
25	16	12
26	16	12
27	16	12
28	16	12
29	16	12
30	16	12
31	16	12

	Clearer (%)	Cloudier (%)
1	64	36
2	64	36
3	65	35
4	65	35
5	65	35
6	66	34
7	66	34
8	66	34
9	66	34
10	66	34
11	66	34
12	66	34
13	66	34
14	65	35
15	64	36
16	64	36
17	64	36
18	65	35
19	65	35
20	65	35
21	65	35
22	65	35
23	64	36
24	65	35
25	65	35
26	66	34
27	66	34
28	66	34
29	67	33
30	67	33
31	67	33

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

	Dry (%)	Comfortable (%)
1	85	15
2	86	14
3	87	13
4	88	12
5	89	11
6	89	11
7	90	10
8	91	9
9	91	9
10	92	8
11	92	8
12	92	8
13	92	8
14	92	8
15	92	8
16	92	8
17	92	8
18	92	8
19	92	8
20	92	8
21	92	8
22	92	8
23	93	7
24	93	7
25	93	7
26	94	6
27	94	6
28	95	5
29	95	5
30	96	4
31	96	4

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

	Clearer (%)	Cloudier (%)
1	64	36
2	64	36
3	65	35
4	65	35
5	65	35
6	66	34
7	66	34
8	66	34
9	66	34
10	66	34
11	66	34
12	66	34
13	66	34
14	65	35
15	64	36
16	64	36
17	64	36
18	65	35
19	65	35
20	65	35
21	65	35
22	65	35
23	64	36
24	65	35
25	65	35
26	66	34
27	66	34
28	66	34
29	67	33
30	67	33
31	67	33

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

	Dry (%)	Comfortable (%)
1	85	15
2	86	14
3	87	13
4	88	12
5	89	11
6	89	11
7	90	10
8	91	9
9	91	9
10	92	8
11	92	8
12	92	8
13	92	8
14	92	8
15	92	8
16	92	8
17	92	8
18	92	8
19	92	8
20	92	8
21	92	8
22	92	8
23	93	7
24	93	7
25	93	7
26	94	6
27	94	6
28	95	5
29	95	5
30	96	4
31	96	4

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

	Clearer (%)	Cloudier (%)
1	64	36
2	64	36
3	65	35
4	65	35
5	65	35
6	66	34
7	66	34
8	66	34
9	66	34
10	66	34
11	66	34
12	66	34
13	66	34
14	65	35
15	64	36
16	64	36
17	64	36
18	65	35
19	65	35
20	65	35
21	65	35
22	65	35
23	64	36
24	65	35
25	65	35
26	66	34
27	66	34
28	66	34
29	67	33
30	67	33
31	67	33

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

	Dry (%)	Comfortable (%)
1	85	15
2	86	14
3	87	13
4	88	12
5	89	11
6	89	11
7	90	10
8	91	9
9	91	9
10	92	8
11	92	8
12	92	8
13	92	8
14	92	8
15	92	8
16	92	8
17	92	8
18	92	8
19	92	8
20	92	8
21	92	8
22	92	8
23	93	7
24	93	7
25	93	7
26	94	6
27	94	6
28	95	5
29	95	5
30	96	4
31	96	4