Weather in Marmaris: August
| Average day temperature: | 91.5°F | |
| Average night temperature: | 74.9°F | |
| Sea water temperature: | 81.1°F | |
| Number of sunny days: | 31 days | |
| Day length: | 13.0 - 14.0 hours | |
| Number of rainy days: | 0 days | |
| Precipitation totals: | 0.1 in. | |
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Air temperature in August, °F
The highest day temperature during August of 2025 was 96°F. At the same time the lowest night temperature was 69°F. Daily and nightly averages during August were 89.5°F and 74.3°F.
Sea water temperature in Marmaris in August, °F
The average sea water temperature in August of 2025 was 81.3°F. The highest and lowest sea temperatures during the month were 84.2°F and 78.3°F.
Almost all days of August in Marmaris are sunny. Cloudy days are rare.
Precipitation total in August, in.
Precipitation total value in Marmaris in August is 0.1 in. Other months of the year show relatively similar values.
The average wind speed value in August is 6.6 mph It makes August one of the least windy months of the year.
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: 13.1.
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Marmaris on a weather map

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