World Resorts Greece Santorini Weather

Santorini Sea Temperature in December

Average sea water temperature in December:
+64.8°F
Minimum sea water temperature in December: 68.5°F
Maximum sea water temperature in December: 61.9°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 66.8°F. The highest and lowest sea temperatures during the month were 68.2°F and 65.5°F.

Monthly sea water temperature in Santorini, °F

Which Greece resorts have warmest sea in December?

Place name December 2025 December 2024
Faliraki 69.9°F 67.8°F
Kolymbia 69.9°F 67.6°F
Ixia 69.9°F 67.8°F
Lalisos 69.9°F 67.8°F
Lindos 69.8°F 67.5°F
Lardos 69.8°F 67.5°F
Afantou 69.8°F 67.6°F
Kardamena 69.8°F 67.7°F
Rhodes 69.7°F 67.5°F
Kiotari 69.7°F 67.5°F
Kos 69.5°F 67.5°F
Matala 68.0°F 66.4°F
Ierapetra 67.4°F 65.6°F
Samos 67.2°F 65.1°F
Chania 67.1°F 65.4°F
Rethymno 67.1°F 65.4°F
Elounda 67.0°F 65.2°F
Agia Pelagia 66.9°F 65.3°F
Agios Nikolaos 66.9°F 65.1°F
Kavros 66.8°F 65.2°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
+75°F
SE 18 mph
Feels like: +77°F
Precip.: 7%
Places in Greece:
Name
°F
+86°F
+84°F
+79°F
+81°F
+79°F
+75°F
+82°F
+86°F
+82°F
+77°F
+77°F
+81°F
+82°F
+81°F
24 Hours Forecast
Santorini
Local time: 11:02
June 25, thursday
1200
75°F
SE
18 mph
1500
75°F
SE
19 mph
1800
75°F
SE
18 mph
2100
73°F
SE
16 mph
June 26, friday
0000
73°F
E
19 mph
0300
75°F
SE
21 mph
0600
73°F
SE
19 mph
0900
73°F
SE
17 mph
Units of measurement: °C / °F