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 67.2°F. The highest and lowest sea temperatures during the month were 68.2°F and 66.2°F.

Monthly sea water temperature in Santorini, °F

Which Greece resorts have warmest sea in December?

Place name December 2025 December 2024
Faliraki 70.3°F 67.8°F
Kolymbia 70.3°F 67.6°F
Ixia 70.3°F 67.8°F
Lindos 70.2°F 67.5°F
Rhodes 70.1°F 67.5°F
Kiotari 70.1°F 67.5°F
Kos 69.9°F 67.5°F
Matala 68.3°F 66.4°F
Ierapetra 67.8°F 65.6°F
Chania 67.7°F 65.4°F
Samos 67.6°F 65.1°F
Rethymno 67.6°F 65.4°F
Elounda 67.5°F 65.2°F
Agia Pelagia 67.4°F 65.3°F
Kavros 67.4°F 65.2°F
Agios Nikolaos 67.4°F 65.1°F
Georgioupolis 67.2°F 65.0°F
Fodele 67.2°F 65.1°F
Panormo 67.2°F 65.2°F
Santorini 67.2°F 65.1°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 58.4 °F
March 59.8 °F
Rainiest months:
December 4 days
January 4 days
February 3 days
Windiest months:
January 17.5 mph
February 17.4 mph
March 16.7 mph

Santorini on a weather map

Santorini
+63°F
W 3 mph
Feels like: +63°F
Precip.: 100%
Places in Greece:
Name
°F
+57°F
+55°F
+61°F
+55°F
+61°F
+57°F
+59°F
+59°F
+52°F
+63°F
+50°F
+54°F
+57°F
+61°F
24 Hours Forecast
Santorini
Local time: 13:25
December 21, sunday
1500
61°F
S
3 mph
1800
63°F
SW
12 mph
2100
63°F
SW
8 mph
December 22, monday
0000
61°F
SW
8 mph
0300
61°F
S
12 mph
0600
61°F
SW
14 mph
0900
61°F
SW
13 mph
1200
61°F
S
14 mph
Units of measurement: °C / °F