Weather in Santorini: August
| Average day temperature: | 81.7°F | |
| Average night temperature: | 78.0°F | |
| Sea water temperature: | 77.4°F | |
| Number of sunny days: | 30 days | |
| Day length: | 13.0 - 14.0 hours | |
| Number of rainy days: | 0 days | |
| Precipitation totals: | 0.0 in. | |
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forecast
| Santorini |
temperature
| Santorini |
Air temperature in August, °F
The highest day temperature during August of 2025 was 79°F. At the same time the lowest night temperature was 74°F. Daily and nightly averages during August were 77.6°F and 77.0°F.
Sea water temperature in Santorini in August, °F
The average sea water temperature in August of 2025 was 77.9°F. The highest and lowest sea temperatures during the month were 79.2°F and 76.1°F.
Almost all days of August in Santorini are sunny. Cloudy days are rare.
Precipitation total in August, in.
Precipitation total value in Santorini in August is 0.0 in. Other months of the year show relatively similar values.
The average wind speed value in August is 14.4 mph
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 August is: 13.2.
Best time for vacation in Santorini
Santorini on a weather map

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