Newcastle Sea Temperature

(Today) 2021

19.4°C / 67.0°F

Current weather

14°C / 58°F
(broken clouds)

Partly cloudy

Wind

1 mph

Humidity

90%


The measurements for the water temperature in Newcastle, New South Wales are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

Monthly average water temp

Monthly average max / min water temperatures

The graph below shows the range of monthly Newcastle water temperature derived from many years of historical sea surface temperature data.

Newcastle average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Newcastle
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 21.8 22.6 22.7 21.7 20 19.1 17.4 17.4 18 18 19.5 20.2
Max °C 25.5 25.5 25.2 24.1 23.3 21.2 21.1 20.4 20.3 20.9 22.6 25
Min °F 72.7 73.8 73.8 72 69.3 67.2 64.8 64.5 65.3 65.5 68.3 70.3
Max °F 76.4 76.7 76.3 74.4 72.6 69.3 68.5 67.5 67.6 68.4 71.4 75.1