Oia in Winter
In winter (December, January and February), Oia sees average daytime highs around 15°C and overnight lows near 13°C, with 184 mm of rain over about 30 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Over the season highs ease from about 17°C in early December to 15°C by late February. The sky is clear or mostly clear about 37% of the time across winter, and the air most often feels dry.
Winter is Oia's weakest season of the year to visit on our travel score. For the whole year in context, see Oia's year-round climate.
- Avg daytime high
- 15°C
- coldest season of the year
- Avg overnight low
- 13°C
- Rainfall
- 184 mm
- 30 wet days
- Avg wind
- 28 km/h
- Travel score
- 4.5
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Oia in Winter
Over the season highs ease from about 17°C in early December to 15°C by late February.
A typical winter day in Oia reaches about 15°C and drops to 13°C overnight. The warmest of the three months is December, the coolest February.
Oia 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 | 14° / 13° | 69 | 11.3 | 9.8 | 4.2 |
| Feb | 14° / 13° | 58 | 9.3 | 10.6 | 4.3 |
| Mar | 15° / 13° | 39 | 6.4 | 11.7 | 5.2 |
| Apr | 17° / 15° | 15 | 3.1 | 12.9 | 6.6 |
| May | 20° / 18° | 8 | 1.6 | 13.9 | 8.1 |
| Jun | 23° / 22° | 1 | 0.3 | 14.4 | 9.5 |
| Jul | 25° / 24° | 0 | 0 | 14.2 | 9.7 |
| Aug | 25° / 24° | 0 | 0.1 | 13.4 | 9.6 |
| Sep | 24° / 23° | 5 | 1.1 | 12.2 | 9.4 |
| Oct | 21° / 20° | 25 | 3.9 | 11.1 | 8.0 |
| Nov | 18° / 17° | 36 | 6.2 | 10.1 | 6.7 |
| Dec | 16° / 14° | 58 | 9.6 | 9.6 | 5.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 37% of the time across winter.
Chance of precipitation in Winter
Oia gets around 184 mm of rain over 30 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 28 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 42 min in early December to 11 h 06 min 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 2.8 kWh/m².
Is winter a good time to visit Oia?
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 reasonable time to visit Oia for sightseeing.
What to pack for Oia in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Oia sees daytime highs around 15°C and nights near 13°C. Pack a windbreaker. Worth having: a warm layer and rain gear. About 30 days see rain.
Sea temperature near Oia in Winter
The nearest coast averages about 17°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 24°C and coldest in February near 16°C.
It's comfortable for a long swim from May 28 to Nov 12 — about 5.6 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 | 17 | 19 | 22 | 24 | 24 | 24 | 22 | 20 | 18 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Warm | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 16 | Cool |
| Mar | 16 | Cool |
| Apr | 17 | Cool |
| May | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 24 | Refreshing |
| Aug | 24 | Warm |
| Sep | 24 | Refreshing |
| Oct | 22 | Refreshing |
| Nov | 20 | Cool |
| Dec | 18 | Cool |
UV index in Oia in Winter
Clear-sky midday UV across winter averages around 3. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Oia peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 8 | 7 | 9 | 9 | 9 | 8 | 5 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | Very high | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 8 | Very high |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Where is Oia?
Oia sits at 36.5°N, 25.4°E, 0 m above sea level, in Greece. The nearest listed city is Fira, 7.0 km away.
Topography around Oia
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Oia.
Within 3 km, the terrain around Oia has significant variations in elevation — a maximum elevation change of 322 m around an average of 22 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 548 m; within 80 km, large variations in elevation — a maximum elevation change of 971 m.
The land around Oia is covered by water (72%) and grassland (21%) within 3 km, water (89%) within 16 km, and water (93%) 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 Oia (36.4626°, 25.3764°, 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.