# Railay water temperature

Sea temperature at Railay is 30.2 °C (86.4 °F).

- Location: Railay, Thailand
- Timezone: Asia/Bangkok
- Source: Open-Meteo marine forecast (snapshot)
- Generated at: 2026-09-22T21:55:04.317093+07:00
- Forecast page: https://snorkelforecast.com/thailand/railay/
- HTML sea temperature: https://snorkelforecast.com/thailand/railay/sea-temperature/
- Temperature is not a safety rating or snorkel score.
- Guidance: Very warm water
- What to wear: Swimwear is usually enough; a rash guard adds sun protection.

## Monthly baseline

- January: 29.1 °C (84.4 °F)
- February: 29.6 °C (85.3 °F)
- March: 30.4 °C (86.7 °F)
- April: 31.5 °C (88.7 °F)
- May: 31.7 °C (89.1 °F)
- June: 30.7 °C (87.3 °F)
- July: 30.3 °C (86.5 °F)
- August: 30.4 °C (86.7 °F)
- September: 29.8 °C (85.6 °F)
- October: 30.3 °C (86.5 °F)
- November: 29.8 °C (85.6 °F)
- December: 29.4 °C (84.9 °F)