Zakynthos weather in December

In December, Zakynthos sees average daytime highs of 15°C and overnight lows near 13°C, with 181 mm of rain across 14.8 wet days and about 9.4 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 14°C by the end. 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 36 min at the start of December to 9 h 24 min by month's end. Set against the rest of the year, December is Zakynthos's 12th-clearest and 3rd-windiest month. For the whole year in context, see Zakynthos's year-round climate.

Daytime high
15°
9th warmest
Overnight low
13°
4th coldest
Rainfall
181 mm
14.8 wet days
Daylight
9 h 24 min
7:51 AM – 5:15 PM
Cloud cover
55%
12th clearest
Wind
21 km/h
3rd windiest
Solar energy
1.98 kWh/m²
Travel score
4.3
out of 10

Zakynthos is city on the island of Zakynthos, Ionian Islands, Greece.

Density
251/km²
people per km²

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 17°C in the first days to 14°C by the end.

A typical December day in Zakynthos 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 13°C and 18°C. Set against its neighbours, December runs about 3°C cooler than November and about 2°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11715
21714
31714
41714
51614
61614
71614
81614
91614
101614
111613
121613
131513
141513
151513
161513
171513
181513
191513
201513
211513
221513
231513
241512
251512
261512
271412
281412
291412
301412
311412

Zakynthos weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 12°16213.99.73.7
Feb14° / 12°11612.110.53.8
Mar15° / 12°829.911.74.6
Apr17° / 15°416.212.96.0
May20° / 18°183.7147.7
Jun23° / 22°111.414.69.1
Jul25° / 24°60.514.39.5
Aug26° / 25°6113.59.1
Sep25° / 23°666.612.38.1
Oct22° / 20°1148.9117.2
Nov19° / 16°18112.6105.7
Dec15° / 13°18114.89.44.3

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 20% of December, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25248
35248
45248
55347
65248
75347
85347
95446
105446
115545
125545
135545
145545
155545
165446
175545
185545
195545
205545
215545
225545
235545
245545
255446
265446
275446
285545
295545
305545
315644

Chance of precipitation in December

Any precipitation

Zakynthos gets around 181 mm of rain over 14.8 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 48% and peaks near 50% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
149
249
349
449
550
650
750
850
950
1050
1150
1250
1350
1449
1549
1648
1748
1847
1947
2046
2146
2246
2346
2445
2545
2645
2745
2845
2946
3046
3146

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
177194
278184
380164
482153
584133
685123
787112
888102
99091
109181
119181
129271
139370
149370
159370
169370
179370
189370
199280
209280
219280
229280
239190
249190
259190
269280
279280
289280
299280
309280
319370

Wind in December

Winds average 21 km/h in December.

Across December, daily wind ranges from about 20 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
220breezy
320breezy
420breezy
520breezy
620breezy
720breezy
820breezy
920breezy
1020breezy
1120breezy
1220breezy
1320breezy
1420breezy
1520breezy
1620breezy
1720breezy
1820breezy
1920breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 36 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 12 minutes over December. Sunrise moves from 7:39 AM to 7:57 AM, and sunset from 5:13 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:395:13
29.67:405:13
39.57:415:13
49.57:425:13
59.57:425:13
69.57:435:13
79.57:445:13
89.57:455:13
99.57:465:13
109.47:465:13
119.47:475:13
129.47:485:14
139.47:495:14
149.47:495:14
159.47:505:14
169.47:515:15
179.47:515:15
189.47:525:15
199.47:525:16
209.47:535:16
219.47:535:16
229.47:545:17
239.47:545:17
249.47:555:18
259.47:555:18
269.47:565:19
279.47:565:20
289.47:565:20
299.47:575:21
309.47:575:21
319.47:575:22

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.98 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.98 kWh/m² to a high of 7.61 kWh/m² in June across the year — December's 1.98 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.1Moderate
32.1Moderate
42.0Moderate
52.0Moderate
62.0Moderate
72.0Moderate
82.0Moderate
92.0Moderate
102.0Moderate
112.0Moderate
122.0Dim
132.0Dim
142.0Dim
152.0Dim
162.0Dim
172.0Dim
182.0Dim
192.0Dim
202.0Dim
212.0Dim
222.0Dim
232.0Dim
242.0Dim
252.0Dim
262.0Dim
272.0Moderate
282.0Moderate
292.0Moderate
302.0Moderate
312.1Moderate
Planning a trip in December

Hazard calendar for Zakynthos

In seasonPeak

In December, Zakynthos sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Zakynthos's rainy season runs October–March, when most of the year's rain falls.

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

Is December a good time to visit Zakynthos?

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

4.3
Sightseeing
10th-best month of the year
0.3
Beach & pool
9th-best month of the year

December is a reasonable time to visit Zakynthos for sightseeing.

What to pack for Zakynthos in December

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

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

rain geara warm layera windbreaker

Sea temperature near Zakynthos in December

The nearest coast averages about 18°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 March near 15°C.

It's comfortable for a long swim from May 27 to Nov 20 — about 5.9 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec18Cool

UV index in Zakynthos 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 Zakynthos peaks around August 12 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateAug 12UV 9Jan 10UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar6High
Apr7Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Low
Location & terrain

Where is Zakynthos?

Zakynthos sits at 37.8°N, 20.9°E, 0 m above sea level, in Greece. The nearest listed city is Amaliáda, 40 km away.

PýrgosArchaia OlympiaPatrasAgrínioAígioPrévezaTrípoli

Topography around Zakynthos

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

Within 3 km, the terrain around Zakynthos has only modest variations in elevation — a maximum elevation change of 194 m around an average of 16 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 737 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,904 m.

The land around Zakynthos is covered by water (30%), trees (29%) and grassland (23%) within 3 km, water (66%) and trees (21%) within 16 km, and water (73%) within 80 km.

3 km
194 m
16 km
737 m
80 km
1,904 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Amaliáda 40 km · Pýrgos 49 km · Archaia Olympia 66 km · Patras 90 km · Agrínio 104 km · Aígio 116 km · Préveza 131 km · Trípoli 134 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
other 3%Muslim 2%

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 Zakynthos (37.7802°, 20.8956°, 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).