Measurements:
°C
°F
Perth
76°F
NW 10 mph
Feels like: 80°F
Precip: 0%
World Resorts Australia Perth Weather

7 Day Weather Forecast

12.18
thu
DAY
84°F
N 10 mph
precip
0%
NIGHT
72°F
W 17 mph
precip
0%
12.19
fri
DAY
86°F
N 7 mph
precip
0%
NIGHT
68°F
N 22 mph
precip
0%
12.20
sat
DAY
80°F
N 15 mph
precip
0%
NIGHT
68°F
NW 17 mph
precip
0%
12.21
sun
DAY
82°F
N 6 mph
precip
0%
NIGHT
72°F
NW 14 mph
precip
0%
12.22
mon
DAY
84°F
N 11 mph
precip
0%
NIGHT
74°F
W 16 mph
precip
0%
12.23
tue
DAY
88°F
NW 10 mph
precip
0%
NIGHT
80°F
W 21 mph
precip
0%
12.24
wed
DAY
94°F
W 9 mph
precip
0%
NIGHT
82°F
NW 9 mph
precip
0%

Perth Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Perth was 22.2°F. The maximum and minimum values were 21.6°F and 23.1°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 89.1 °F
January 88.8 °F
March 85.2 °F
Warmest sea temperature:
February 77.3 °F
January 76.7 °F
March 76.3 °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