20.12
sat
sat
Day
75°F
NE 16 mph
Precip.
0%
0%
Night
64°F
NW 15 mph
Precip.
0%
0%
21.12
sun
sun
Day
77°F
N 5 mph
Precip.
0%
0%
Night
66°F
N 12 mph
Precip.
0%
0%
22.12
mon
mon
Day
81°F
N 9 mph
Precip.
0%
0%
Night
72°F
W 16 mph
Precip.
0%
0%
23.12
tue
tue
Day
88°F
W 6 mph
Precip.
0%
0%
Night
77°F
W 20 mph
Precip.
0%
0%
24.12
wed
wed
Day
95°F
SW 10 mph
Precip.
0%
0%
Night
82°F
W 8 mph
Precip.
0%
0%
25.12
thu
thu
Day
99°F
W 11 mph
Precip.
0%
0%
Night
81°F
N 4 mph
Precip.
0%
0%
26.12
fri
fri
Day
84°F
NE 10 mph
Precip.
0%
0%
Night
70°F
N 13 mph
Precip.
0%
0%
27.12
sat
sat
Day
75°F
NE 16 mph
Precip.
0%
0%
Night
64°F
N 16 mph
Precip.
0%
0%
28.12
sun
sun
Day
75°F
N 12 mph
Precip.
0%
0%
Night
66°F
NW 17 mph
Precip.
0%
0%
29.12
mon
mon
Day
81°F
NW 10 mph
Precip.
0%
0%
Night
75°F
NW 18 mph
Precip.
0%
0%
30.12
tue
tue
Day
88°F
W 11 mph
Precip.
0%
0%
Night
79°F
W 21 mph
Precip.
0%
0%
31.12
wed
wed
Day
95°F
W 8 mph
Precip.
0%
0%
Night
81°F
NW 9 mph
Precip.
0%
0%
01.01
thu
thu
Day
97°F
W 6 mph
Precip.
0%
0%
Night
81°F
NW 7 mph
Precip.
0%
0%
02.01
fri
fri
Day
91°F
NE 13 mph
Precip.
0%
0%
Night
82°F
N 17 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 72.3°F. The highest and lowest sea temperatures during the month were 73.8°F and 70.9°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 75.4°F. The highest and lowest sea temperatures during the month were 76.1°F and 74.7°F.
Air temperature in Perth, °F
Precipitation total in Perth, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Perth
Perth on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Perth
Local time: 18:47
December 20, saturday
2100
72°F
NW
14 mph
14 mph
December 21, sunday
0000
64°F
NW
15 mph
15 mph
0300
61°F
W
13 mph
13 mph
0600
59°F
W
12 mph
12 mph
0900
68°F
W
9 mph
9 mph
1200
77°F
N
5 mph
5 mph
1500
75°F
NE
17 mph
17 mph
1800
72°F
N
17 mph
17 mph
