Sea temperature in Lesbos in August
The sea around Lesbos averages 25°C in August, usually between 23°C and 26°C. That is warm enough for most people to swim comfortably.
Average25°CWarm
Usual range23°C–26°C80% of readings
vs July+0.2°warmer
vs September−1.1°cooler next month
Through the year
Monthly averages 2023–2025. Water at 22°C or warmer: June–September.
August in recent years
| 2023 | 25°C |
|---|---|
| 2024 | 25°C |
| 2025 | 25°C |
Nearby in August
Beaches in Lesbos
45 of 46 beaches have an Excellent EU water-quality grade. See which ones are calm today.