World Resorts Australia Cairns Weather

Cairns Sea Temperature in December

Average sea water temperature in December:
+83.6°F
Minimum sea water temperature in December: 86.0°F
Maximum sea water temperature in December: 81.3°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 83.8°F. The highest and lowest sea temperatures during the month were 85.1°F and 83.1°F.

Monthly sea water temperature in Cairns, °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 Cairns

Sunniest months:
October 19 days
August 18 days
September 16 days
Warmest months:
December 86.8 °F
January 86.7 °F
February 86.3 °F
Warmest sea temp:
February 84.8 °F
January 84.6 °F
March 83.9 °F
Coldest months:
July 75.9 °F
June 76.2 °F
August 76.6 °F
Rainiest months:
January 10 days
March 9 days
February 8 days
Windiest months:
May 9.6 mph
July 9.1 mph
June 9.1 mph

Cairns on a weather map

Current weather
06:26
Cairns
+75°F
NW 7 mph
Feels like: +81°F
Precip.: 100%
Places in Australia:
Name
°F
Adelaide
+72°F
Brisbane
+70°F
Gold Coast
+70°F
Darwin
+79°F
Canberra
+55°F
Cairns
+75°F
Melbourne
+55°F
Perth
+68°F
Sydney
+66°F
Tasmania
+52°F
Fraser
+77°F
24 Hours Forecast
Cairns
Local time: 06:26
December 17, wednesday
0900
82°F
W
9 mph
1200
82°F
W
10 mph
1500
81°F
NW
10 mph
1800
77°F
NW
9 mph
2100
77°F
NW
9 mph
December 18, thursday
0000
77°F
NW
9 mph
0300
77°F
NW
9 mph
0600
75°F
NW
9 mph
Units of measurement: °C / °F