Half Moon Beach Water Temperature

4.7°C / 40.4°F

The sea at Half Moon Beach feels very-cold so don't forget to pack your wetsuit!

Average Sea Temp for Half Moon Beach

The chart and table below are the sea temperature averages for Half Moon 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.

Half Moon Beach sea temperature in degrees Celsius and Fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5 3 3 5 8 13 17 18 16 13 10 7
°F 41 38 38 40 47 56 63 65 62 55 49 45