Onslow Beach Water Temperature

19.8°C / 67.6°F

The sea at Onslow Beach feels tepid so don't forget to pack your wetsuit!

Average Sea Temp for Onslow Beach

The chart and table below are the sea temperature averages for Onslow Beach calculated from over twenty years of oceanographic data. As above the water temperatures given are for sea surface temperature (SST) which is most relevant to recreational users.

Onslow Beach sea temperature in degrees Celsius and Fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 20 19 20 21 23 26 28 28 27 24 22 21
°F 68 67 67 70 74 79 82 83 80 76 72 70