World Resorts Greece Santorini Weather

Santorini 7 Days Forecast

14.05
thu
Day
66°F
E 21 mph
Precip.
0%
Night
66°F
E 22 mph
Precip.
0%
15.05
fri
Day
64°F
E 13 mph
Precip.
0%
Night
66°F
E 13 mph
Precip.
0%
16.05
sat
Day
66°F
NE 11 mph
Precip.
0%
Night
68°F
N 6 mph
Precip.
0%
17.05
sun
Day
68°F
NW 15 mph
Precip.
0%
Night
68°F
S 7 mph
Precip.
0%
18.05
mon
Day
66°F
SE 12 mph
Precip.
0%
Night
66°F
E 12 mph
Precip.
0%
19.05
tue
Day
66°F
E 14 mph
Precip.
0%
Night
66°F
SE 9 mph
Precip.
0%
20.05
wed
Day
66°F
SE 12 mph
Precip.
0%
Night
66°F
SE 6 mph
Precip.
0%

Sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 66.4°F. The highest and lowest sea temperatures during the month were 68.7°F and 63.7°F.

Air temperature in Santorini, °F

Precipitation total in Santorini, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Santorini

Sunniest months:
July 31 days
August 30 days
June 29 days
Warmest months:
August 81.7 °F
July 80.8 °F
September 78.2 °F
Warmest sea temp:
August 77.4 °F
September 76.4 °F
July 75.8 °F
Coldest months:
January 58.2 °F
February 58.5 °F
March 59.7 °F
Rainiest months:
January 4 days
December 3 days
February 3 days
Windiest months:
January 17.7 mph
February 17.7 mph
March 16.7 mph

Santorini on a weather map

Current weather
12:33
Santorini
+66°F
E 21 mph
Feels like: +66°F
Precip.: 0%
Places in Greece:
Name
°F
Athens
+75°F
Athos
+61°F
Bali Gr
+73°F
Zakynthos
+63°F
Heraklion
+73°F
Kassandra
+61°F
Corfu
+64°F
Crete
+66°F
Paralia Katerini
+64°F
Rhodes
+70°F
Thessaloniki
+66°F
Santorini
+66°F
Thasos
+55°F
Chalkidiki
+57°F
Chania
+72°F
all places
24 Hours Forecast
Santorini
Local time: 12:33
May 14, thursday
1500
66°F
E
19 mph
1800
66°F
E
24 mph
2100
66°F
E
20 mph
May 15, friday
0000
66°F
E
22 mph
0300
64°F
E
24 mph
0600
64°F
E
19 mph
0900
64°F
E
14 mph
1200
64°F
E
13 mph
Units of measurement: °C / °F