Weather in May
Sea temperature
In May, the average sea temperature in Dee Why, Australia, is 20.8°C (69.4°F).Note: Swimming in water of 20.8°C (69.4°F) is not enjoyable for the majority of individuals. Breathing control becomes increasingly challenging as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in May in Dee Why is 10h and 23min.On the first day of the month, sunrise is at 6:29 am and sunset at 5:14 pm. On the last day of May, sunrise is at 6:50 am and sunset at 4:54 pm AEST.
Frequently asked questions
What is the sea temperature in May in Dee Why?
In Dee Why, Australia, the average seawater temperature in May is 20.8°C (69.4°F). For swimming, a surface water temperature of 20.8°C (69.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
What is the average length of the day in May in Dee Why?
In May, the average day length in Dee Why, Australia, is 10h and 23min.
When is the sunrise / sunset in May in Dee Why?
On the first day of May in Dee Why, sunrise is at 6:29 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 4:54 pm AEST.
Average sea temperature in May
Dee Why, Australia
- Average sea temperature in May: 20.8°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 May
Dee Why, Australia
- Average daylight in May: 10h and 2min
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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