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Newcastle, Australia Weather Averages

. The most daily sunshine hours in Newcastle are 9 in December. The best month to swim in the sea is in February when the average sea temperature is 24°C (75°F).

Average Daily Sunshine Hours Newcastle

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Average Sea Temperature Newcastle

What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface
What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

Newcastle : Next 24-Hour Weather

Today - 18th September 2026

Sunrise 05:47

Sunrise

Sunset 17:46

Sunset
19:00
Overcast
17°C (62°F)
20:00
Clear
16°C (61°F)
21:00
Overcast
16°C (60°F)
22:00
Cloudy
16°C (60°F)
23:00
Overcast
16°C (60°F)

Tomorrow - 19th September 2026

Sunrise 05:47

Sunrise

Sunset 17:46

Sunset
0:00
Overcast
16°C (60°F)
1:00
Overcast
16°C (59°F)
2:00
Overcast
15°C (59°F)
3:00
Overcast
15°C (59°F)
4:00
Overcast
16°C (59°F)
5:00
Overcast
15°C (58°F)
6:00
Cloudy
14°C (56°F)
7:00
Clear
14°C (56°F)
8:00
Clear
16°C (60°F)
9:00
Clear
20°C (67°F)
10:00
Clear
22°C (71°F)
11:00
Clear
23°C (73°F)
12:00
Clear
24°C (74°F)
13:00
Clear
24°C (74°F)
14:00
Clear
23°C (73°F)
15:00
Clear
23°C (72°F)
16:00
Clear
22°C (71°F)
17:00
Clear
21°C (70°F)
18:00
Clear
21°C (68°F)
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