World Resorts Greece Santorini Weather

Santorini Sea Temperature in May

Average sea water temperature in May:
+66.7°F
Minimum sea water temperature in May: 71.8°F
Maximum sea water temperature in May: 62.6°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 66.2°F. The highest and lowest sea temperatures during the month were 69.4°F and 63.9°F.

Monthly sea water temperature in Santorini, °F

Which Greece resorts have warmest sea in May?

Place name May 2026 May 2025
Preveza 68.3°F 68.9°F
Faliraki 67.7°F 67.5°F
Kolymbia 67.6°F 67.5°F
Rhodes 67.6°F 67.4°F
Lindos 67.6°F 67.4°F
Afantou 67.6°F 67.5°F
Lardos 67.5°F 67.3°F
Lalisos 67.4°F 67.3°F
Kerkira 67.3°F 67.3°F
Benitses 67.3°F 67.4°F
Kiotari 67.2°F 67.2°F
Kavos 67.1°F 67.5°F
Messonghi 67.1°F 67.3°F
Moraitika 67.1°F 67.3°F
Barbati 67.0°F 66.8°F
Dassia 67.0°F 66.9°F
Lefkada 66.9°F 67.4°F
Rethymno 66.9°F 67.1°F
Acharavi 66.9°F 66.7°F
Kos 66.8°F 66.7°F

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
+77°F
S 20 mph
Feels like: +79°F
Precip.: 6%
Places in Greece:
Name
°F
+91°F
+84°F
+82°F
+82°F
+82°F
+77°F
+90°F
+91°F
+82°F
+81°F
+81°F
+86°F
+84°F
+81°F
24 Hours Forecast
Santorini
Local time: 14:24
July 15, wednesday
1500
77°F
S
20 mph
1800
77°F
SE
25 mph
2100
77°F
S
25 mph
July 16, thursday
0000
77°F
S
21 mph
0300
77°F
SE
23 mph
0600
77°F
S
23 mph
0900
75°F
S
24 mph
1200
77°F
S
22 mph
Units of measurement: °C / °F