January
Weather in January
Sea temperature
In January, the average sea temperature in Dee Why, Australia, is 23.3°C (73.9°F).Note: Taking into account a person's sensitivity to the cold, given sunshine, wind, and air temperature, swimming in 23.3°C (73.9°F) might be pleasant. (FYI: The water temperature set for the Olympic swimming event is between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In January, the average length of the day in Dee Why is 14h and 6min.On the first day of January, sunrise is at 5:47 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:01 pm AEDT.
Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How warm is the water in January in Dee Why?
In Dee Why, in January, the average water temperature is 23.3°C (73.9°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.3°C (73.9°F) water.
How many hours of daylight does Dee Why have in January?
In Dee Why, Australia, the average day length in January is 14h and 6min.
When are sunrise and sunset in January in Dee Why?
On the first day of January in Dee Why, sunrise is at 5:47 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:01 pm AEDT.
Average sea temperature in January
Dee Why, Australia
- Average sea temperature in January: 23.3°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 January
Dee Why, Australia
- Average daylight in January: 14h 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).
