Measurements:
°C
°F
CURRENT WEATHER
13:40
Perth
76°F
E 4 mph
Feels like: 78°F
Precip: 0%
World Resorts Australia Perth Weather

7 Day Weather Forecast

05.19
tue
DAY
76°F
S 6 mph
precip
0%
NIGHT
64°F
SW 7 mph
precip
0%
05.20
wed
DAY
74°F
SE 4 mph
precip
0%
NIGHT
66°F
NW 5 mph
precip
0%
05.21
thu
DAY
72°F
N 12 mph
precip
0%
NIGHT
60°F
N 12 mph
precip
0%
05.22
fri
DAY
68°F
NW 9 mph
precip
0%
NIGHT
58°F
W 11 mph
precip
0%
05.23
sat
DAY
66°F
SW 11 mph
precip
0%
NIGHT
58°F
SW 9 mph
precip
0%
05.24
sun
DAY
70°F
NW 11 mph
precip
0%
NIGHT
64°F
SW 6 mph
precip
0%
05.25
mon
DAY
74°F
S 14 mph
precip
0%
NIGHT
64°F
SW 7 mph
precip
0%

Perth Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Perth was 19.2°F. The maximum and minimum values were 18.5°F and 20.3°F respectively.

Perth on the Weather Map

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
more details