World Resorts Greece Santorini Weather

Santorini 7 Days Forecast

17.12
wed
Day
63°F
S 12 mph
Precip.
0%
Night
61°F
S 7 mph
Precip.
0%
18.12
thu
Day
61°F
SE 8 mph
Precip.
0%
Night
61°F
SE 9 mph
Precip.
0%
19.12
fri
Day
61°F
SE 11 mph
Precip.
0%
Night
61°F
SE 9 mph
Precip.
0%
20.12
sat
Day
61°F
SW 2 mph
Precip.
0%
Night
61°F
W 11 mph
Precip.
100%
21.12
sun
Day
61°F
S 6 mph
Precip.
100%
Night
63°F
S 18 mph
Precip.
23%
22.12
mon
Day
63°F
S 13 mph
Precip.
44%
Night
61°F
NW 9 mph
Precip.
0%
23.12
tue
Day
61°F
S 2 mph
Precip.
0%
Night
61°F
N 7 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 67.5°F. The highest and lowest sea temperatures during the month were 68.2°F and 66.6°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 58.4 °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

Current weather
04:26
Santorini
+61°F
S 14 mph
Feels like: +61°F
Precip.: 0%
Places in Greece:
Name
°F
Athens
+48°F
Athos
+52°F
Bali Gr
+57°F
Heraklion
+52°F
Corfu
+55°F
Crete
+50°F
Paralia Katerini
+45°F
Rethymno
+57°F
Rhodes
+55°F
Thessaloniki
+46°F
Santorini
+61°F
Thasos
+55°F
Chalkidiki
+54°F
Chania
+50°F
Hersonissos
+54°F
all places
24 Hours Forecast
Santorini
Local time: 04:26
December 17, wednesday
0600
63°F
S
15 mph
0900
63°F
S
14 mph
1200
63°F
S
12 mph
1500
63°F
S
10 mph
1800
61°F
SW
11 mph
2100
61°F
S
10 mph
December 18, thursday
0000
61°F
S
7 mph
0300
61°F
S
9 mph
Units of measurement: °C / °F