Mykonos weather in December

In December, Mykonos sees average daytime highs of 15°C and overnight lows near 13°C, with 68 mm of rain across 10.1 wet days and about 9.5 hours of daylight. It is the 9th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 14°C by the end. 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 36 min at the start of December to 9 h 30 min by month's end. Set against the rest of the year, December is Mykonos's 12th-clearest and 5th-windiest month. For the whole year in context, see Mykonos's year-round climate.

Daytime high: 15°; 9th warmest
Overnight low: 13°; 4th coldest
Rainfall: 68 mm; 10.1 wet days
Daylight: 9 h 24 min; 7:32 AM – 4:58 PM
Cloud cover: 55%; 12th clearest
Wind: 29 km/h; 5th windiest
Solar energy: 2.09 kWh/m²
Travel score: 4.5; out of 10

Mykonos is town on Mykonos island, South Aegean.

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

← November Mykonos 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

Highs ease over the month, from about 16°C in the first days to 14°C by the end.

A typical December day in Mykonos reaches about 15°C in the afternoon and slips back to 13°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 17°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)	16	16	16	16	16	16	15	15	15	15	15	15	15	15	15	15	15	15	14	14	14	14	14	14	14	14	14	14	14	14	14
Avg low (°C)	14	14	14	14	14	14	14	14	14	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	12	12	12	12	12	12	12

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

Mykonos weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 2nd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	14° / 12°	80	11.4	9.7	3.8
Feb	14° / 12°	64	8.8	10.6	4.0
Mar	14° / 13°	46	6.6	11.7	4.8
Apr	16° / 15°	19	3.6	12.9	6.2
May	19° / 18°	8	1.6	14	7.9
Jun	23° / 21°	2	0.4	14.5	9.4
Jul	25° / 24°	0	0.1	14.3	9.7
Aug	25° / 24°	0	0	13.4	9.6
Sep	24° / 22°	6	1	12.3	9.3
Oct	21° / 19°	31	3.7	11	7.9
Nov	17° / 16°	43	6.3	10	6.4
Dec	15° / 13°	68	10.1	9.5	4.5

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 18% of December, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to cloud over as the month goes on.

	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 (%)	55	54	54	54	54	55	55	55	55	55	55	55	55	55	55	55	55	55	55	55	54	54	54	53	53	53	53	52	53	52	52
Cloudier (%)	45	46	46	46	46	45	45	45	45	45	45	45	45	45	45	45	45	45	45	45	46	46	46	47	47	47	47	48	47	48	48

	Clearer (%)	Cloudier (%)
1	55	45
2	54	46
3	54	46
4	54	46
5	54	46
6	55	45
7	55	45
8	55	45
9	55	45
10	55	45
11	55	45
12	55	45
13	55	45
14	55	45
15	55	45
16	55	45
17	55	45
18	55	45
19	55	45
20	55	45
21	54	46
22	54	46
23	54	46
24	53	47
25	53	47
26	53	47
27	53	47
28	52	48
29	53	47
30	52	48
31	52	48

Chance of precipitation in December

Any precipitation

Mykonos gets around 68 mm of rain over 10.1 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 33% and peaks near 36% on the wettest days. The odds climb 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 (%)	28	29	29	30	30	31	31	32	32	32	33	33	33	34	34	34	34	34	34	34	34	34	34	34	34	35	35	36	36	36	36

	Rain chance (%)
1	28
2	29
3	29
4	30
5	30
6	31
7	31
8	32
9	32
10	32
11	33
12	33
13	33
14	34
15	34
16	34
17	34
18	34
19	34
20	34
21	34
22	34
23	34
24	34
25	34
26	35
27	35
28	36
29	36
30	36
31	36

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 85% 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 (%)	73	74	76	77	78	80	81	82	83	84	85	86	86	86	88	88	88	87	87	87	87	88	88	88	89	89	89	90	90	90	91
Comfortable (%)	21	20	19	18	17	16	15	15	14	14	13	13	13	13	12	12	12	13	13	13	13	12	12	12	11	11	11	10	10	10	9
Humid (%)	6	6	5	5	5	4	4	3	3	2	2	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)	Humid (%)
1	73	21	6
2	74	20	6
3	76	19	5
4	77	18	5
5	78	17	5
6	80	16	4
7	81	15	4
8	82	15	3
9	83	14	3
10	84	14	2
11	85	13	2
12	86	13	1
13	86	13	1
14	86	13	1
15	88	12	0
16	88	12	0
17	88	12	0
18	87	13	0
19	87	13	0
20	87	13	0
21	87	13	0
22	88	12	0
23	88	12	0
24	88	12	0
25	89	11	0
26	89	11	0
27	89	11	0
28	90	10	0
29	90	10	0
30	90	10	0
31	91	9	0

Wind in December

Winds average 29 km/h in December.

Across December, daily wind ranges from about 28 km/h on the calmest days to 29 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)	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29
Feels	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy	windy

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

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 36 min at the start of December to 9 h 30 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 7:20 AM to 7:38 AM, and sunset from 4:57 PM to 5:05 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)	9.6	9.6	9.6	9.6	9.5	9.5	9.5	9.5	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	9.4	9.4	9.4	9.4	9.4	9.4	9.4	9.4	9.4	9.5
Sunrise (AM)	7:20	7:21	7:22	7:23	7:24	7:25	7:25	7:26	7:27	7:28	7:29	7:29	7:30	7:31	7:31	7:32	7:33	7:33	7:34	7:34	7:35	7:35	7:36	7:36	7:37	7:37	7:37	7:38	7:38	7:38	7:38
Sunset (PM)	4:57	4:56	4:56	4:56	4:56	4:56	4:56	4:56	4:56	4:56	4:57	4:57	4:57	4:57	4:57	4:58	4:58	4:58	4:59	4:59	5:00	5:00	5:01	5:01	5:02	5:02	5:03	5:03	5:04	5:05	5:05

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	9.6	7:20	4:57
2	9.6	7:21	4:56
3	9.6	7:22	4:56
4	9.6	7:23	4:56
5	9.5	7:24	4:56
6	9.5	7:25	4:56
7	9.5	7:25	4:56
8	9.5	7:26	4:56
9	9.5	7:27	4:56
10	9.5	7:28	4:56
11	9.5	7:29	4:57
12	9.5	7:29	4:57
13	9.5	7:30	4:57
14	9.4	7:31	4:57
15	9.4	7:31	4:57
16	9.4	7:32	4:58
17	9.4	7:33	4:58
18	9.4	7:33	4:58
19	9.4	7:34	4:59
20	9.4	7:34	4:59
21	9.4	7:35	5:00
22	9.4	7:35	5:00
23	9.4	7:36	5:01
24	9.4	7:36	5:01
25	9.4	7:37	5:02
26	9.4	7:37	5:02
27	9.4	7:37	5:03
28	9.4	7:38	5:03
29	9.4	7:38	5:04
30	9.4	7:38	5:05
31	9.5	7:38	5:05

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.09 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.09 kWh/m² to a high of 7.88 kWh/m² in June across the year — December's 2.09 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	2.2	2.2	2.2	2.2	2.2	2.2	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1	2.1
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	2.2	Moderate
4	2.2	Moderate
5	2.2	Moderate
6	2.2	Moderate
7	2.2	Moderate
8	2.2	Moderate
9	2.1	Moderate
10	2.1	Moderate
11	2.1	Moderate
12	2.1	Moderate
13	2.1	Moderate
14	2.1	Moderate
15	2.1	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	2.1	Moderate
23	2.1	Moderate
24	2.1	Moderate
25	2.1	Moderate
26	2.1	Moderate
27	2.1	Moderate
28	2.1	Moderate
29	2.1	Moderate
30	2.1	Moderate
31	2.1	Moderate

Planning a trip in December

Is December a good time to visit Mykonos?

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

4.5

Sightseeing

10th-best month of the year

0.2

Beach & pool

9th-best month of the year

December is a reasonable time to visit Mykonos for sightseeing.

What to pack for Mykonos in December

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

In December, Mykonos sees daytime highs around 15°C and nights near 13°C. Pack a windbreaker. Worth having: a warm layer and rain gear. About 10 days see rain.

a windbreakera warm layerrain gear

Sea temperature near Mykonos in December

The nearest coast averages about 17°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 24°C and coldest in February near 16°C.

It's comfortable for a long swim from Jun 2 to Oct 31 — about 5 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	16	16	16	16	18	21	23	24	23	21	19	17
Comfort	Cool	Cool	Cool	Cool	Cool	Refreshing	Refreshing	Refreshing	Refreshing	Refreshing	Cool	Cool

	Sea temperature (°C)	Comfort
Jan	16	Cool
Feb	16	Cool
Mar	16	Cool
Apr	16	Cool
May	18	Cool
Jun	21	Refreshing
Jul	23	Refreshing
Aug	24	Refreshing
Sep	23	Refreshing
Oct	21	Refreshing
Nov	19	Cool
Dec	17	Cool

UV index in Mykonos 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 Mykonos peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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	4	8	7	9	9	9	7	5	3	2
Level	Low	Moderate	Moderate	Very high	Very high	Very high	Very high	Very high	Very high	Moderate	Moderate	Low

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

Location & terrain

Where is Mykonos?

Mykonos sits at 37.4°N, 25.3°E, 0 m above sea level, in Greece. The nearest listed city is Naxos, 38 km away.

Topography around Mykonos

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mykonos.

Within 3 km, the terrain around Mykonos has significant variations in elevation — a maximum elevation change of 265 m around an average of 55 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 377 m; within 80 km, large variations in elevation — a maximum elevation change of 996 m.

The land around Mykonos is covered by grassland (41%) and water (34%) within 3 km, water (86%) within 16 km, and water (90%) within 80 km.

3 km

265 m

grassland 41%

16 km

377 m

water 86%

80 km

996 m

water 90%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← November Mykonos year-round climate January →Best places to visit in December

December weather nearby: Naxos 38 km · Paros 43 km · Oia 109 km · Fira 114 km · Chios 125 km · Çeşme 130 km · Artémida 131 km · Koropí 138 km

Greece travel facts

Travel advisory: Level 1; Exercise Normal Precautions
Power plugs: Type C / F; 230 V · 50 Hz
Prices: ≈ 60% of US; price level, 2025
GDP per capita: $26,948; 2025
Happiness: 5.7 / 10; World Happiness, 2025
Safe drinking water: 97%; of population, 2024
Homicide rate: 0.8; per 100k, 2023
Road deaths: 8.3; per 100k/yr, 2019
Income group: High; World Bank
English: High; EF EPI 592
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 Mykonos (37.4453°, 25.3287°, elevation 0 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	14
2	16	14
3	16	14
4	16	14
5	16	14
6	16	14
7	15	14
8	15	14
9	15	14
10	15	13
11	15	13
12	15	13
13	15	13
14	15	13
15	15	13
16	15	13
17	15	13
18	15	13
19	14	13
20	14	13
21	14	13
22	14	13
23	14	13
24	14	13
25	14	12
26	14	12
27	14	12
28	14	12
29	14	12
30	14	12
31	14	12

	Clearer (%)	Cloudier (%)
1	55	45
2	54	46
3	54	46
4	54	46
5	54	46
6	55	45
7	55	45
8	55	45
9	55	45
10	55	45
11	55	45
12	55	45
13	55	45
14	55	45
15	55	45
16	55	45
17	55	45
18	55	45
19	55	45
20	55	45
21	54	46
22	54	46
23	54	46
24	53	47
25	53	47
26	53	47
27	53	47
28	52	48
29	53	47
30	52	48
31	52	48

	Rain chance (%)
1	28
2	29
3	29
4	30
5	30
6	31
7	31
8	32
9	32
10	32
11	33
12	33
13	33
14	34
15	34
16	34
17	34
18	34
19	34
20	34
21	34
22	34
23	34
24	34
25	34
26	35
27	35
28	36
29	36
30	36
31	36

	Dry (%)	Comfortable (%)	Humid (%)
1	73	21	6
2	74	20	6
3	76	19	5
4	77	18	5
5	78	17	5
6	80	16	4
7	81	15	4
8	82	15	3
9	83	14	3
10	84	14	2
11	85	13	2
12	86	13	1
13	86	13	1
14	86	13	1
15	88	12	0
16	88	12	0
17	88	12	0
18	87	13	0
19	87	13	0
20	87	13	0
21	87	13	0
22	88	12	0
23	88	12	0
24	88	12	0
25	89	11	0
26	89	11	0
27	89	11	0
28	90	10	0
29	90	10	0
30	90	10	0
31	91	9	0

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

	Clearer (%)	Cloudier (%)
1	55	45
2	54	46
3	54	46
4	54	46
5	54	46
6	55	45
7	55	45
8	55	45
9	55	45
10	55	45
11	55	45
12	55	45
13	55	45
14	55	45
15	55	45
16	55	45
17	55	45
18	55	45
19	55	45
20	55	45
21	54	46
22	54	46
23	54	46
24	53	47
25	53	47
26	53	47
27	53	47
28	52	48
29	53	47
30	52	48
31	52	48

	Rain chance (%)
1	28
2	29
3	29
4	30
5	30
6	31
7	31
8	32
9	32
10	32
11	33
12	33
13	33
14	34
15	34
16	34
17	34
18	34
19	34
20	34
21	34
22	34
23	34
24	34
25	34
26	35
27	35
28	36
29	36
30	36
31	36

	Dry (%)	Comfortable (%)	Humid (%)
1	73	21	6
2	74	20	6
3	76	19	5
4	77	18	5
5	78	17	5
6	80	16	4
7	81	15	4
8	82	15	3
9	83	14	3
10	84	14	2
11	85	13	2
12	86	13	1
13	86	13	1
14	86	13	1
15	88	12	0
16	88	12	0
17	88	12	0
18	87	13	0
19	87	13	0
20	87	13	0
21	87	13	0
22	88	12	0
23	88	12	0
24	88	12	0
25	89	11	0
26	89	11	0
27	89	11	0
28	90	10	0
29	90	10	0
30	90	10	0
31	91	9	0

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

	Clearer (%)	Cloudier (%)
1	55	45
2	54	46
3	54	46
4	54	46
5	54	46
6	55	45
7	55	45
8	55	45
9	55	45
10	55	45
11	55	45
12	55	45
13	55	45
14	55	45
15	55	45
16	55	45
17	55	45
18	55	45
19	55	45
20	55	45
21	54	46
22	54	46
23	54	46
24	53	47
25	53	47
26	53	47
27	53	47
28	52	48
29	53	47
30	52	48
31	52	48

	Rain chance (%)
1	28
2	29
3	29
4	30
5	30
6	31
7	31
8	32
9	32
10	32
11	33
12	33
13	33
14	34
15	34
16	34
17	34
18	34
19	34
20	34
21	34
22	34
23	34
24	34
25	34
26	35
27	35
28	36
29	36
30	36
31	36

	Dry (%)	Comfortable (%)	Humid (%)
1	73	21	6
2	74	20	6
3	76	19	5
4	77	18	5
5	78	17	5
6	80	16	4
7	81	15	4
8	82	15	3
9	83	14	3
10	84	14	2
11	85	13	2
12	86	13	1
13	86	13	1
14	86	13	1
15	88	12	0
16	88	12	0
17	88	12	0
18	87	13	0
19	87	13	0
20	87	13	0
21	87	13	0
22	88	12	0
23	88	12	0
24	88	12	0
25	89	11	0
26	89	11	0
27	89	11	0
28	90	10	0
29	90	10	0
30	90	10	0
31	91	9	0