Weather in Santorini: July
| Average day temperature: | 80.8°F | |
| Average night temperature: | 76.9°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:
2025
2024
2023
The highest day temperature during July of 2025 was 82°F. At the same time the lowest night temperature was 73°F. Daily and nightly averages during July were 77.2°F and 76.1°F.
Sea water temperature in Santorini in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 75.8°F. The highest and lowest sea temperatures during the month were 79.5°F and 71.6°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 15.5 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: 14.2.
Best time for vacation in Santorini
Santorini on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Santorini
Local time: 08:47
December 05, friday
0900

64°F
N
28 mph
28 mph
1200

63°F
NE
27 mph
27 mph
1500

64°F
NE
29 mph
29 mph
1800

64°F
NE
25 mph
25 mph
2100

64°F
NE
25 mph
25 mph
December 06, saturday
0000

64°F
NE
18 mph
18 mph
0300

64°F
NE
12 mph
12 mph
0600

63°F
N
17 mph
17 mph



























