19.05
tue
tue
Day
72°F
S 5 mph
Precip.
0%
0%
Night
63°F
SW 7 mph
Precip.
0%
0%
20.05
wed
wed
Day
72°F
S 5 mph
Precip.
0%
0%
Night
64°F
NW 6 mph
Precip.
0%
0%
21.05
thu
thu
Day
72°F
N 9 mph
Precip.
0%
0%
Night
59°F
N 13 mph
Precip.
0%
0%
22.05
fri
fri
Day
66°F
NW 11 mph
Precip.
0%
0%
Night
57°F
W 12 mph
Precip.
0%
0%
23.05
sat
sat
Day
66°F
SW 12 mph
Precip.
0%
0%
Night
61°F
SW 9 mph
Precip.
0%
0%
24.05
sun
sun
Day
70°F
S 9 mph
Precip.
0%
0%
Night
63°F
SW 7 mph
Precip.
0%
0%
25.05
mon
mon
Day
72°F
W 12 mph
Precip.
0%
0%
Night
63°F
NE 11 mph
Precip.
0%
0%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 66.5°F. The highest and lowest sea temperatures during the month were 68.5°F and 65.3°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 67.0°F. The highest and lowest sea temperatures during the month were 68.4°F and 64.8°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: 03:56
May 19, tuesday
0600
57°F
W
6 mph
6 mph
0900
63°F
SW
6 mph
6 mph
1200
72°F
S
5 mph
5 mph
1500
73°F
E
4 mph
4 mph
1800
68°F
N
2 mph
2 mph
2100
64°F
SW
5 mph
5 mph
May 20, wednesday
0000
63°F
SW
7 mph
7 mph
0300
61°F
SW
9 mph
9 mph
