World Resorts Australia Perth Weather

Perth Sea Temperature in December

Average sea water temperature in December:
+71.5°F
Minimum sea water temperature in December: 75.6°F
Maximum sea water temperature in December: 67.8°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 71.9°F. The highest and lowest sea temperatures during the month were 73.0°F and 70.9°F.

Monthly sea water temperature in Perth, °F

Which Australia resorts have warmest sea in December?

Place name December 2025 December 2024
Darwin 87.5°F 88.2°F
Cairns 83.8°F 84.4°F
Fraser 81.1°F 81.0°F
Brisbane 79.6°F 79.9°F
Gold Coast 74.6°F 76.7°F
Perth 71.9°F 73.0°F
Sydney 71.1°F 72.2°F
Adelaide 67.2°F 70.8°F
Melbourne 64.0°F 69.9°F
Tasmania 57.6°F 62.3°F

Best time for vacation in Perth

Sunniest months:
January 26 days
December 26 days
February 23 days
Warmest months:
February 85.2 °F
January 84.9 °F
March 81.7 °F
Warmest sea temp:
February 74.5 °F
January 74.0 °F
March 73.7 °F
Coldest months:
July 62.0 °F
August 62.9 °F
June 63.9 °F
Rainiest months:
July 6 days
June 5 days
August 5 days
Windiest months:
December 10.9 mph
January 10.8 mph
November 10.7 mph

Perth on a weather map

Perth
+68°F
NE 10 mph
Feels like: +68°F
Precip.: 75%
Places in Australia:
Name
°F
+72°F
+70°F
+70°F
+79°F
+73°F
+75°F
+75°F
+68°F
+72°F
+63°F
+77°F
24 Hours Forecast
Perth
Local time: 04:32
December 17, wednesday
0600
68°F
NE
12 mph
0900
70°F
NE
12 mph
1200
72°F
NE
14 mph
1500
73°F
NE
16 mph
1800
70°F
NE
17 mph
2100
68°F
N
13 mph
December 18, thursday
0000
66°F
N
12 mph
0300
63°F
N
11 mph
Units of measurement: °C / °F