# Byron Bay water temperature

Sea temperature at Byron Bay is 21.3 °C (70.3 °F).

- Location: Byron Bay, Australia
- Timezone: Australia/Brisbane
- Source: Open-Meteo marine forecast (snapshot)
- Generated at: 2026-09-23T00:54:52.833488+10:00
- Forecast page: https://snorkelforecast.com/australia/byron-bay/
- HTML sea temperature: https://snorkelforecast.com/australia/byron-bay/sea-temperature/
- Temperature is not a safety rating or snorkel score.
- Guidance: Cool water
- What to wear: A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.

## Monthly baseline

- January: 25.5 °C (77.9 °F)
- February: 25.8 °C (78.4 °F)
- March: 25.9 °C (78.6 °F)
- April: 24.8 °C (76.6 °F)
- May: 22.9 °C (73.2 °F)
- June: 21.4 °C (70.5 °F)
- July: 20.4 °C (68.7 °F)
- August: 20.4 °C (68.7 °F)
- September: 21.1 °C (70.0 °F)
- October: 22.0 °C (71.6 °F)
- November: 22.2 °C (72.0 °F)
- December: 23.5 °C (74.3 °F)