Dee Why Beach Water Temperature
20.7°C / 69.2°F
The sea at Dee Why Beach feels tepid so don't forget to pack your wetsuit!
Average Sea Temp for Dee Why Beach
The chart and table below are the sea temperature averages for Dee Why 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 24 | 24 | 24 | 23 | 22 | 20 | 19 | 19 | 19 | 20 | 21 | 22 |
| °F | 75 | 76 | 75 | 74 | 71 | 68 | 66 | 66 | 66 | 67 | 69 | 72 |