Chios weather in December

In December, Chios sees average daytime highs of 14°C and overnight lows near 11°C, with 130 mm of precipitation across 11.9 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 15°C in the first days to 13°C by the end. The sky is clear or mostly clear about 35% 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 Chios's 12th-clearest and 3rd-windiest month. For the whole year in context, see Chios's year-round climate.

Daytime high
14°
10th warmest
Overnight low
11°
4th coldest
Precipitation
130 mm
11.9 wet days
Daylight
9 h 18 min
7:31 AM – 4:52 PM
Cloud cover
55%
12th clearest
Wind
24 km/h
3rd windiest
Solar energy
2.05 kWh/m²
Travel score
4.0
out of 10

Chios is Greek town on the homonymous island.

Founded
~899 BCE

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 15°C in the first days to 13°C by the end.

A typical December day in Chios 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 3°C cooler than November and about 1°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11613
21513
31513
41512
51512
61512
71512
81512
91512
101412
111412
121411
131411
141411
151411
161411
171411
181411
191411
201411
211411
221411
231311
241311
251311
261311
271311
281311
291311
301311
311311

Chios 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°11711.59.63.5
Feb13° / 10°9610.310.53.7
Mar15° / 11°687.911.74.8
Apr18° / 14°375.6136.6
May22° / 17°162.914.18.3
Jun26° / 21°40.914.69.1
Jul28° / 23°00.114.48.7
Aug28° / 24°00.113.58.5
Sep25° / 21°161.812.39.1
Oct21° / 18°474.7117.9
Nov17° / 14°858.49.96.1
Dec14° / 11°13011.99.44.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% 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 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35446
45446
55446
65347
75347
85347
95347
105347
115347
125446
135347
145347
155347
165248
175248
185149
195149
205149
215149
225149
235149
244951
254951
264951
274852
284852
294852
304852
314852

Chance of precipitation in December

Any precipitation

Chios gets around 130 mm of rain and snow over 11.9 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 precipitation averages around 39% and peaks near 41% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
233
334
434
535
636
736
837
938
1038
1139
1240
1340
1441
1541
1641
1741
1841
1940
2040
2140
2240
2340
2440
2540
2640
2740
2840
2940
3039
3139

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 (%)
178184
279174
380164
481154
583143
684133
785123
887112
988102
1089101
119091
129181
139280
149280
159280
169280
179280
189280
199280
209190
219190
229190
239190
249190
259190
269190
279190
289280
299280
309280
319370

Wind in December

Winds average 24 km/h in December.

Across December, daily wind ranges from about 22 km/h on the calmest days to 24 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
122breezy
222breezy
322breezy
422breezy
522breezy
622breezy
722breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1924breezy
2024breezy
2124breezy
2224breezy
2324breezy
2424breezy
2524breezy
2624breezy
2724breezy
2824breezy
2924breezy
3024breezy
3124breezy

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 7:20 AM to 7:38 AM, and sunset from 4:51 PM to 4:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.57:204:51
29.57:204:51
39.57:214:51
49.57:224:50
59.57:234:50
69.47:244:50
79.47:254:50
89.47:264:50
99.47:264:50
109.47:274:51
119.47:284:51
129.47:294:51
139.47:294:51
149.47:304:51
159.37:314:52
169.37:314:52
179.37:324:52
189.37:334:52
199.37:334:53
209.37:344:53
219.37:344:54
229.37:354:54
239.37:354:55
249.37:364:55
259.37:364:56
269.37:364:56
279.37:374:57
289.37:374:57
299.37:374:58
309.47:384:59
319.47:384:59

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.05 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.05 kWh/m² to a high of 7.84 kWh/m² in June across the year — December's 2.05 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.2Moderate
22.2Moderate
32.2Moderate
42.2Moderate
52.2Moderate
62.1Moderate
72.1Moderate
82.1Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.0Moderate
172.0Moderate
182.0Moderate
192.0Moderate
202.0Moderate
212.0Moderate
222.0Moderate
232.0Moderate
242.0Moderate
252.0Moderate
262.0Moderate
272.0Moderate
282.0Moderate
292.0Moderate
302.0Moderate
312.1Moderate
Planning a trip in December

Hazard calendar for Chios

In seasonPeak

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

Chios's rainy season runs November–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 Chios?

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

4.0
Sightseeing
10th-best month of the year
0.1
Beach & pool
10th-best month of the year

December is a reasonable time to visit Chios for sightseeing.

What to pack for Chios in December

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

In December, Chios sees daytime highs around 14°C and nights near 11°C. Worth packing: a warm layer, rain gear and a windbreaker. About 12 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Chios 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 23°C and coldest in March near 16°C.

It's comfortable for a long swim from Jun 1 to Oct 30 — about 5 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr16Cool
May19Cool
Jun22Refreshing
Jul23Refreshing
Aug23Refreshing
Sep23Refreshing
Oct21Refreshing
Nov19Cool
Dec17Cool

UV index in Chios 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 Chios peaks around June 23 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 highModerateJun 23UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Chios 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 Chios is worst in March — around 15 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodMar 1915 µg/m³Dec 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Moderate
Mar15Moderate
Apr14Moderate
May13Moderate
Jun12Good
Jul12Moderate
Aug12Moderate
Sep10Good
Oct10Good
Nov11Good
Dec8Good
Location & terrain

Where is Chios?

Chios sits at 38.4°N, 26.1°E, 9 m above sea level, in Greece. The nearest listed city is Çeşme, 15 km away.

UrlaFoçaSeferihisarBalatçıkKüçükçiğliAtaşehirÇiğli

Topography around Chios

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

Within 3 km, the terrain around Chios has significant variations in elevation — a maximum elevation change of 359 m around an average of 41 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 919 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,255 m.

The land around Chios is covered by water (44%) and grassland (20%) within 3 km, water (50%) within 16 km, and water (80%) within 80 km.

3 km
359 m
16 km
919 m
80 km
1,255 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Çeşme 15 km · Urla 55 km · Foça 63 km · Seferihisar 64 km · Balatçık 81 km · Küçükçiğli 81 km · Ataşehir 82 km · Çiğli 83 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 Chios (38.3687°, 26.1372°, elevation 9 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).