Dee Why Climate: Weather by Month and Best Time to Visit
Best months for Dee Why: December, January, November, October.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 25°C | 20°C | 74 mm | 9 | – | – | 7.9 |
| February | 24°C | 20°C | 95 mm | 10 | – | – | 7.7 |
| March | 23°C | 19°C | 80 mm | 12 | – | – | 7.5 |
| April | 21°C | 17°C | 76 mm | 10 | – | – | 7.6 |
| May | 19°C | 14°C | 78 mm | 10 | – | – | 7.3 |
| June | 17°C | 12°C | 97 mm | 10 | – | – | 6.8 |
| July | 16°C | 11°C | 55 mm | 8 | – | – | 7.1 |
| August | 17°C | 11°C | 53 mm | 7 | – | – | 7.4 |
| September | 19°C | 13°C | 50 mm | 7 | – | – | 7.7 |
| October | 21°C | 15°C | 60 mm | 8 | – | – | 7.8 |
| November | 22°C | 17°C | 72 mm | 9 | – | – | 7.9 |
| December | 23°C | 19°C | 59 mm | 8 | – | – | 8.0 |