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 May
Averages over 8 years · best time to visit
Best time to visit Santorini : March–November . With perfect weather, May is a recommended month to visit.
Photo: Wikimedia
April
May
June
Average temperature
▲ 17°C
20°C
▲ 25°C
Highest temperature
▲ 20°C
23°C
▲ 28°C
Lowest temperature
▲ 15°C
18°C
▲ 22°C
Sea temperature
▲ 18,0°C
19,5°C
▲ 23,0°C
Rainfall
▼ 16 mm
12 mm
▼ 6 mm
Days with rain
▼ 4 d
3 d
▼ 2 d
Humidity
▼ 67%
65%
▼ 57%
Sunshine hours per day
▲ 11,3 h
12,4 h
▲ 13,8 h
Cloud cover
▼ 14%
12%
▼ 6%
UV index (midday)
▲ 10
11
→ 11
Day length
13:08
14:06
14:36
Our rating
Perfect
Perfect
Perfect
Temperature day by day in May mean + moving average
17° 19° 21° 23° 1 6 11 16 21 26 31
Rainfall day by day in May mm
0 1 2 1 6 11 16 21 26 31
UV index day by day in May 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.