14-day forecast — Santorini Updated every hour
Fri · Today · 30 Oct
Showers
20°
19°
0.8 mm
Sat · Tomorrow · 31 Oct
Showers
20°
19°
3.5 mm
Sunday · 1 Nov
Cloudy
21°
19°
1.8 mm
Monday · 2 Nov
Sunny
20°
17°
11.9 mm
Tuesday · 3 Nov
Sunny
21°
19°
2.9 mm
Wednesday · 4 Nov
Sunny
20°
18°
11%
Thursday · 5 Nov
Sunny intervals
18°
17°
13%
Friday · 6 Nov
Sunny intervals
17°
16°
12%
Saturday · 7 Nov
Sunny
17°
16°
6%
Sunday · 8 Nov
Sunny intervals
18°
16°
1.2 mm
Monday · 9 Nov
Cloudy
19°
18°
0.6 mm
Tuesday · 10 Nov
Showers
19°
18°
1.9 mm
Wednesday · 11 Nov
Showers
19°
17°
0.8 mm
Thursday · 12 Nov
Sunny
19°
17°
10%
About Santorini
The caldera sunsets of Oia, black-sand beaches and whitewashed villages perched on volcanic cliffs.
Country Greece
Region Cyclades
Continent Europe
Time zone Europe/Athens (+02:00)
Latitude 36.3932°
Longitude 25.4615°
Air quality Fair (EAQI 21)
🗺️ Santorini and what is nearby
Forecast day by day — press play
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Markers show the daytime high for the selected day. Tap a marker for Santorini detail; two fingers to move and zoom the map.
Climate in Santorini in December
Averages over 8 years · best time to visit
Best time to visit Santorini : March–November . With acceptable weather, December is a possible month to visit.
Photo: Wikimedia
November
December
January
Average temperature
▼ 18°C
15°C
▼ 13°C
Highest temperature
▼ 20°C
17°C
▼ 15°C
Lowest temperature
▼ 17°C
13°C
▼ 12°C
Sea temperature
▼ 20,9°C
19,2°C
▼ 18,3°C
Rainfall
▲ 28 mm
56 mm
▼ 43 mm
Days with rain
▲ 5 d
9 d
→ 9 d
Humidity
▲ 68%
69%
▼ 68%
Sunshine hours per day
▼ 9,0 h
8,1 h
▼ 7,8 h
Cloud cover
▲ 12%
17%
▲ 22%
UV index (midday)
▼ 4
3
▲ 4
Day length
10:15
9:44
10:00
Our rating
Good
Acceptable
Acceptable
Temperature day by day in December mean + moving average
12° 14° 16° 18° 1 6 11 16 21 26 31
Rainfall day by day in December mm
0 3.4 6.8 1 6 11 16 21 26 31
UV index day by day in December midday value, clear-sky
0 5.5 11 1 6 11 16 21 26 31
Climate averages calculated from the ERA5 archive (8 years; sea temperature from marine reanalysis). UV estimated from solar elevation.
Other destinations in Europe
Data source
Global weather models — international forecasts
The weather for Santorini is based on global weather models (ECMWF, GFS) and national meteorological institutes around the world. Forecasts update every hour; current measurements every 15 minutes. For destinations with a larger time difference from the UK, local time is shown above.