Sea temperature Newcastle today
Australia
Sea temperature for 0 days
water low / highWaves
– m
Swell
– m
Sea current
– km/h
Wind
– km/h
Sea temperature Newcastle by month
- 22°Jan
- 23°Feb
- 23°Mar
- 22°Apr
- 21°May
- 20°Jun
- 18°Jul
- 18°Aug
- 19°Sep
- 19°Oct
- 20°Nov
- 21°Dec
Long-term averages, the current month is highlighted.
When to swim in Newcastle?
Swimming seasonJan – DecSea temperature above 18 °C
Warmest monthFebAverage 23 °C
Coldest monthJulAverage 18 °C
Annual average20.5 °CAverage sea temperature