Current sea water temperature:
+66.4°F
| Minimum sea water temperature in May: | 71.4°F |
| Maximum sea water temperature in May: | 65.3°F |
| Average sea water temperature in May: | 68.2°F |
| more information | |
14 days
forecast
forecast
| Perth |
monthly
weather
weather
| Perth |
Sea water temperature for the last 10 days:
| May 18 | 66.4°F | May 13 | 65.7°F |
| May 17 | 66.7°F | May 12 | 65.7°F |
| May 16 | 66.7°F | May 11 | 65.3°F |
| May 15 | 66.7°F | May 10 | 66.0°F |
| May 14 | 66.2°F | May 9 | 65.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Perth?
Based on the data about daily sea water temperature for the last three years the warmest sea in Perth was noticed in February, January and March.
Monthly Sea Temperatures in Perth, °F
Sea water temperature in February, °F
Show year:
2026
2025
2024
The average sea water temperature in February of 2026 was 75.1°F. The highest and lowest sea temperatures during the month were 76.6°F and 73.8°F.
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 74.8°F. The highest and lowest sea temperatures during the month were 77.0°F and 73.4°F.
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 74.9°F. The highest and lowest sea temperatures during the month were 77.4°F and 72.3°F.
current
weather
weather
| Perth |
weather in
May
May
| Perth |
Best time for vacation in Perth
Perth on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Perth
Local time: 03:16
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
