World Resorts Greece Santorini Weather

Santorini 14 Days Forecast

11.05
mon
Day
66°F
NW 12 mph
Precip.
0%
Night
66°F
SE 11 mph
Precip.
0%
12.05
tue
Day
66°F
E 6 mph
Precip.
0%
Night
68°F
E 30 mph
Precip.
0%
13.05
wed
Day
66°F
E 14 mph
Precip.
0%
Night
64°F
NE 9 mph
Precip.
0%
14.05
thu
Day
66°F
E 19 mph
Precip.
0%
Night
64°F
S 6 mph
Precip.
0%
15.05
fri
Day
64°F
SE 9 mph
Precip.
0%
Night
64°F
E 14 mph
Precip.
0%
16.05
sat
Day
66°F
W 5 mph
Precip.
0%
Night
68°F
NW 9 mph
Precip.
0%
17.05
sun
Day
68°F
W 6 mph
Precip.
0%
Night
66°F
E 12 mph
Precip.
0%
18.05
mon
Day
68°F
SE 17 mph
Precip.
0%
Night
66°F
SE 15 mph
Precip.
0%
19.05
tue
Day
66°F
SE 14 mph
Precip.
0%
Night
68°F
SE 9 mph
Precip.
0%
20.05
wed
Day
68°F
S 4 mph
Precip.
0%
Night
68°F
NW 2 mph
Precip.
0%
21.05
thu
Day
68°F
NW 17 mph
Precip.
0%
Night
66°F
NE 27 mph
Precip.
0%
22.05
fri
Day
66°F
E 23 mph
Precip.
0%
Night
66°F
NE 31 mph
Precip.
0%
23.05
sat
Day
66°F
E 21 mph
Precip.
100%
Night
66°F
E 18 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

Santorini
+66°F
N 4 mph
Feels like: +66°F
Precip.: 0%
Places in Greece:
Name
°F
+64°F
+63°F
+61°F
+66°F
+66°F
+64°F
+63°F
+72°F
+66°F
+63°F
+66°F
+64°F
+64°F
+66°F
24 Hours Forecast
Santorini
Local time: 00:27
May 11, monday
0300
66°F
NW
6 mph
0600
66°F
NW
7 mph
0900
66°F
NW
11 mph
1200
66°F
NW
12 mph
1500
68°F
W
11 mph
1800
68°F
W
11 mph
2100
68°F
NW
7 mph
May 12, tuesday
0000
66°F
SE
11 mph
Units of measurement: °C / °F