Sea temperature in Katerini in May
The sea around Katerini averages 19°C in May, usually between 17°C and 20°C. That is cool: fine for a quick swim, many people find it chilly.
Average19°CCool
Usual range17°C–20°C80% of readings
vs April+2.7°warmer
vs June+5.5°warmer next month
Through the year
Monthly averages 2023–2025. Water at 22°C or warmer: June–October.
May in recent years
| 2023 | 18°C |
|---|---|
| 2024 | 19°C |
| 2025 | 20°C |
Nearby in May
Beaches in Katerini
16 of 16 beaches have an Excellent EU water-quality grade. See which ones are calm today.