Glyfáda weather in December

In December, Glyfáda sees average daytime highs of 14°C and overnight lows near 11°C, with 61 mm of rain across 7.5 wet days and about 9.4 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 13°C by the end. The sky is clear or mostly clear about 38% 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 Glyfáda's 12th-clearest and 1st-windiest month. For the whole year in context, see Glyfáda's year-round climate.

Daytime high
14°
10th warmest
Overnight low
11°
4th coldest
Rainfall
61 mm
7.5 wet days
Daylight
9 h 24 min
7:39 AM – 5:03 PM
Cloud cover
54%
12th clearest
Wind
17 km/h
1st windiest
Solar energy
1.96 kWh/m²
Travel score
4.6
out of 10

Glyfáda is southern suburb of Athens, Greece.

Density
3,441/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 16°C in the first days to 13°C by the end.

A typical December day in Glyfáda reaches about 14°C in the afternoon and slips back to 11°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 18°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11613
21613
31613
41612
51612
61512
71512
81512
91512
101512
111511
121511
131411
141411
151411
161411
171411
181411
191411
201411
211411
221411
231410
241410
251410
261310
271310
281310
291310
301310
311310

Glyfáda weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 10°5179.73.9
Feb13° / 10°426.610.54.2
Mar15° / 11°445.411.75.4
Apr18° / 14°193.6137.1
May23° / 17°112.6148.4
Jun27° / 22°41.214.68.5
Jul30° / 24°20.614.47.1
Aug30° / 25°10.413.57.0
Sep27° / 22°111.812.38.5
Oct23° / 18°263118.3
Nov18° / 15°475.9106.6
Dec14° / 11°617.59.44.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45446
55545
65545
75644
85644
95644
105743
115743
125743
135743
145743
155545
165545
175446
185446
195347
205347
215347
225347
235347
245347
255446
265446
275446
285446
295545
305545
315644

Chance of precipitation in December

Any precipitation

Glyfáda gets around 61 mm of rain over 7.5 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 24% and peaks near 25% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
224
324
425
525
625
725
825
925
1025
1125
1225
1325
1425
1524
1624
1724
1823
1923
2023
2123
2223
2323
2424
2524
2624
2725
2825
2925
3025
3125

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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
184142
285132
386122
487112
588102
68992
79181
89271
99361
109361
119550
129550
139550
149550
159550
169550
179550
189460
199460
209460
219460
229370
239370
249370
259460
269460
279460
289460
299460
309550
319550

Wind in December

Winds average 17 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 17 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

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 7:28 AM to 7:46 AM, and sunset from 5:02 PM to 5:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:285:02
29.67:295:02
39.57:295:02
49.57:305:01
59.57:315:01
69.57:325:01
79.57:335:01
89.57:345:01
99.47:345:01
109.47:355:02
119.47:365:02
129.47:375:02
139.47:375:02
149.47:385:02
159.47:395:03
169.47:395:03
179.47:405:03
189.47:415:03
199.47:415:04
209.47:425:04
219.47:425:05
229.47:435:05
239.47:435:06
249.47:445:06
259.47:445:07
269.47:445:07
279.47:455:08
289.47:455:08
299.47:455:09
309.47:465:10
319.47:465:10

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.96 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.96 kWh/m² to a high of 7.54 kWh/m² in June across the year — December's 1.96 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
102.0Dim
112.0Dim
122.0Dim
132.0Dim
142.0Dim
151.9Dim
161.9Dim
171.9Dim
181.9Dim
191.9Dim
201.9Dim
211.9Dim
221.9Dim
231.9Dim
241.9Dim
252.0Dim
262.0Dim
272.0Dim
282.0Dim
292.0Moderate
302.0Moderate
312.0Moderate
Planning a trip in December

Is December a good time to visit Glyfáda?

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

4.6
Sightseeing
10th-best month of the year
0.1
Beach & pool
10th-best month of the year

December is a reasonable time to visit Glyfáda for sightseeing.

What to pack for Glyfáda in December

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

In December, Glyfáda sees daytime highs around 14°C and nights near 11°C. Worth packing: a warm layer. About 8 days see rain.

a warm layer

Sea temperature near Glyfáda 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 26°C and coldest in February near 15°C.

It's comfortable for a long swim from May 28 to Nov 16 — about 5.7 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb15Bracing
Mar15Bracing
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Glyfáda 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 Glyfáda peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 13UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Glyfáda in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Glyfáda is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1718 µg/m³Dec 168 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Moderate
Mar14Moderate
Apr14Moderate
May13Moderate
Jun15Moderate
Jul19Moderate
Aug15Moderate
Sep10Good
Oct8Good
Nov10Good
Dec7Good
Location & terrain

Where is Glyfáda?

Glyfáda sits at 37.9°N, 23.8°E, 24 m above sea level, in Greece. The nearest listed city is Voúla, 3.0 km away.

Topography around Glyfáda

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

Within 3 km, the terrain around Glyfáda has significant variations in elevation — a maximum elevation change of 558 m around an average of 77 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,025 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,400 m.

The land around Glyfáda is covered by artificial surfaces (45%) and water (25%) within 3 km, water (49%) and artificial surfaces (20%) within 16 km, and water (56%) within 80 km.

3 km
558 m
16 km
1,025 m
80 km
1,400 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Voúla 3.0 km · Ellinikó 3.0 km · Argyroúpoli 5.0 km · Vári 5.0 km · Álimos 6.0 km · Ilioúpoli 8.0 km · Agios Dimitrios 8.0 km · Palaió Fáliro 9.0 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 Glyfáda (37.8629°, 23.758°, elevation 24 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).