World Resorts Greece Santorini Weather

Santorini 7 Days Forecast

24.08
mon
Day
77°F
S 15 mph
Precip.
7%
Night
77°F
E 12 mph
Precip.
8%
25.08
tue
Day
77°F
S 20 mph
Precip.
8%
Night
77°F
E 17 mph
Precip.
9%
26.08
wed
Day
79°F
SE 14 mph
Precip.
5%
Night
79°F
SE 11 mph
Precip.
4%
27.08
thu
Day
81°F
S 21 mph
Precip.
4%
Night
79°F
S 17 mph
Precip.
7%
28.08
fri
Day
81°F
S 20 mph
Precip.
4%
Night
79°F
S 22 mph
Precip.
5%
29.08
sat
Day
77°F
S 19 mph
Precip.
6%
Night
77°F
S 19 mph
Precip.
4%
30.08
sun
Day
81°F
E 6 mph
Precip.
8%
Night
79°F
NE 15 mph
Precip.
9%

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 76.1°F. The highest and lowest sea temperatures during the month were 77.5°F and 74.8°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 75.9°F. The highest and lowest sea temperatures during the month were 77.4°F and 73.9°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 80.5 °F
September 78.2 °F
Warmest sea temp:
August 77.3 °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
SE 13 mph
Feels like: +82°F
Precip.: 8%
Places in Greece:
Name
°F
+86°F
+75°F
+82°F
+84°F
+75°F
+84°F
+82°F
+82°F
+81°F
+82°F
+84°F
+84°F
+82°F
+79°F
24 Hours Forecast
Santorini
Local time: 19:43
August 24, monday
2100
77°F
SE
13 mph
August 25, tuesday
0000
77°F
E
12 mph
0300
79°F
SE
18 mph
0600
77°F
SE
21 mph
0900
77°F
S
21 mph
1200
77°F
S
20 mph
1500
77°F
S
16 mph
1800
79°F
S
13 mph
Units of measurement: °C / °F