Chios in Winter
In winter (December, January and February), Chios sees average daytime highs around 13°C and overnight lows near 10°C, with 343 mm of precipitation over about 34 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 13°C. The sky is clear or mostly clear about 36% of the time across winter, and the air most often feels dry.
Winter is Chios's weakest season of the year to visit on our travel score. For the whole year in context, see Chios's year-round climate.
- Avg daytime high
- 13°C
- coldest season of the year
- Avg overnight low
- 10°C
- Precipitation
- 343 mm
- 34 wet days
- Avg wind
- 23 km/h
- Travel score
- 3.7
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Chios in Winter
Across winter, daytime highs hold fairly steady around 13°C.
A typical winter day in Chios reaches about 13°C and drops to 10°C overnight. The warmest of the three months is December, the coolest January.
Chios weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 13° / 10° | 117 | 11.5 | 9.6 | 3.5 |
| Feb | 13° / 10° | 96 | 10.3 | 10.5 | 3.7 |
| Mar | 15° / 11° | 68 | 7.9 | 11.7 | 4.8 |
| Apr | 18° / 14° | 37 | 5.6 | 13 | 6.6 |
| May | 22° / 17° | 16 | 2.9 | 14.1 | 8.3 |
| Jun | 26° / 21° | 4 | 0.9 | 14.6 | 9.1 |
| Jul | 28° / 23° | 0 | 0.1 | 14.4 | 8.7 |
| Aug | 28° / 24° | 0 | 0.1 | 13.5 | 8.5 |
| Sep | 25° / 21° | 16 | 1.8 | 12.3 | 9.1 |
| Oct | 21° / 18° | 47 | 4.7 | 11 | 7.9 |
| Nov | 17° / 14° | 85 | 8.4 | 9.9 | 6.1 |
| Dec | 14° / 11° | 130 | 11.9 | 9.4 | 4.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 36% of the time across winter.
Chance of precipitation in Winter
Chios gets around 343 mm of rain and snow over 34 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 23 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 30 min in early December to 11 hours by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.6 kWh/m².
Hazard calendar for Chios
In winter, Chios overlaps 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.
Is winter a good time to visit Chios?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Chios.
What to pack for Chios in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Chios sees daytime highs around 13°C and nights near 10°C. Worth packing: a warm layer, rain gear and a windbreaker. About 34 days see rain.
Sea temperature near Chios in Winter
The nearest coast averages about 16°C across winter — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 16 | 16 | 16 | 19 | 22 | 23 | 23 | 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 | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 23 | Refreshing |
| Aug | 23 | Refreshing |
| Sep | 23 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 19 | Cool |
| Dec | 17 | Cool |
UV index in Chios in Winter
Clear-sky midday UV across winter averages 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.
| 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 |
Air quality in Chios in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 12 | 15 | 14 | 13 | 12 | 12 | 12 | 10 | 10 | 11 | 8 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Good | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 12 | Moderate |
| Mar | 15 | Moderate |
| Apr | 14 | Moderate |
| May | 13 | Moderate |
| Jun | 12 | Good |
| Jul | 12 | Moderate |
| Aug | 12 | Moderate |
| Sep | 10 | Good |
| Oct | 10 | Good |
| Nov | 11 | Good |
| Dec | 8 | Good |
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.
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.
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 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.