Weather in July
Sea temperature
In Dee Why, Australia, the average seawater temperature in July is 19.1°C (66.4°F).Note: Swimming is not a pleasant activity for most when the water temperature is 19.1°C (66.4°F). As the water temperature drops from 21°C (69.8°F) to 15°C (59°F), breathing becomes more difficult to control.
Daylight
The average length of the day in July in Dee Why, Australia, is 10h and 9min.On the first day of July in Dee Why, sunrise is at 7:00 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 5:14 pm AEST.
Frequently asked questions
How cold is the water in July in Dee Why?
In Dee Why, Australia, the average seawater temperature in July is 19.1°C (66.4°F). For most, swimming in 19.1°C (66.4°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
What is the average length of the day in July in Dee Why?
In Dee Why, Australia, the average day length in July is 10h and 9min.
When is the sunrise / sunset in July in Dee Why?
In July, on the first day of the month, sunrise is at 7:00 am and sunset at 4:57 pm. On the last day of the month, in Dee Why, Australia, sunrise is at 6:47 am and sunset at 5:14 pm AEST.
Average sea temperature in July
Dee Why, Australia
- Average sea temperature in July: 19.1°C
The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.6°C).
Average daylight in July
Dee Why, Australia
- Average daylight in July: 10h and 1min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
Dee Why, Australia
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