Measurements:
°C
°F
Perth
58°F
NE 15 mph
Feels like: 54°F
Precip: 73%
World Resorts Australia Perth Weather

Perth Sea Water Temperature

Current Sea Water Temperature:
+66.4°F
Maximum Sea Water Temperature in June: 71.2°F
Minimum Sea Water Temperature in June: 65.8°F
Average water temperature in June: 68.6°F

Sea Water Temperature for the Last 10 Days:

June 08 66.4°F June 03 68.0°F
June 07 67.2°F June 01 68.0°F
June 06 67.0°F May 31 68.2°F
June 05 67.6°F May 30 68.0°F
June 04 67.6°F May 29 68.0°F

When is the Warmest Sea for Perth?

According to our data for the last three years for Perth the highest average sea water temperature was in February, January and March.

Average Water Temperature by Month, °F

Sea Water Temperature in February

Select Year: 2026 2025 2024

The average sea surface temperature in February 2026 for Perth was 77.9°F. The maximum and minimum values were 76.4°F and 79.6°F respectively.

Sea Water Temperature in January

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Perth was 77.6°F. The maximum and minimum values were 76.0°F and 80.0°F respectively.

Sea Water Temperature in March

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Perth was 77.6°F. The maximum and minimum values were 74.8°F and 80.4°F respectively.

Best Time to Visit Perth
The most sunny months:
January 26 days
December 26 days
February 23 days
The most warm months:
February 89.0 °F
January 88.6 °F
March 85.1 °F
Warmest sea temperature:
February 77.3 °F
January 76.7 °F
March 76.4 °F
The most cold months:
July 63.4 °F
August 64.3 °F
June 65.5 °F
The most rainy months:
July 6 days
June 5 days
August 5 days
The most windy months:
December 11 mph
January 11 mph
November 11 mph

Perth on the Weather Map

Australia Resorts:
NAME
Adelaide +62
Brisbane +68
Cairns +80
Canberra +60
Darwin +88
Fraser +74
Gold Coast +72
Melbourne +62
Perth +58
Sydney +66
Tasmania +60
24 Hours Weather Forecast
Perth
Local time: 10:27
09 jun, tuesday
1200 58°F
NE
13 mph
1500 58°F
N
10 mph
1800 56°F
N
7 mph
2100 54°F
W
4 mph
10 jun, wednesday
0000 54°F
W
3 mph
0300 54°F
W
4 mph
0600 54°F
SW
2 mph
0900 56°F
SW
5 mph