Weather in Santorini: July
| Average day temperature: | 80.5°F | |
| Average night temperature: | 76.8°F | |
| Sea water temperature: | 75.8°F | |
| Number of sunny days: | 31 days | |
| Day length: | 14.0 - 14.6 hours | |
| Number of rainy days: | 0 days | |
| Precipitation totals: | 0.0 in. | |
| more information | ||
14 days
forecast
forecast
| Santorini |
sea water
temperature
temperature
| Santorini |
Air temperature in July, °F
Show year:
2026
2025
2024
The highest day temperature during July of 2026 was 78°F. At the same time the lowest night temperature was 71°F. Daily and nightly averages during July were 76.8°F and 75.7°F.
Sea water temperature in Santorini in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 75.5°F. The highest and lowest sea temperatures during the month were 77.5°F and 74.3°F.
Sunny, partly cloudy and cloudy days
Almost all days of July in Santorini are sunny. Cloudy days are rare.
Precipitation total in July, in.
Precipitation total value in Santorini in July is 0.0 in. Other months of the year show relatively similar values.
Wind speed in July, mph
The average wind speed value in July is 15.7 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 14.1.
Best time for vacation in Santorini
Santorini on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Santorini
Local time: 07:35
November 03, tuesday
0900

70°F
NE
9 mph
9 mph
1200

68°F
E
22 mph
22 mph
1500

68°F
E
22 mph
22 mph
1800

68°F
E
23 mph
23 mph
2100

70°F
NE
24 mph
24 mph
November 04, wednesday
0000

68°F
NE
26 mph
26 mph
0300

68°F
NE
22 mph
22 mph
0600

68°F
E
19 mph
19 mph




























