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 83.9°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 87.4°F 88.2°F
Cairns 83.9°F 84.4°F
Fraser 81.2°F 81.0°F
Brisbane 79.9°F 79.9°F
Gold Coast 75.4°F 76.7°F
Perth 72.6°F 73.0°F
Sydney 72.1°F 72.2°F
Adelaide 68.0°F 70.8°F
Melbourne 64.8°F 69.9°F
Tasmania 58.7°F 62.3°F

Best time for vacation in Cairns

Sunniest months:
October 19 days
August 18 days
September 16 days
Warmest months:
January 86.7 °F
December 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
08:24
Cairns
+81°F
S 1 mph
Feels like: +88°F
Precip.: 100%
Places in Australia:
Name
°F
Adelaide
+73°F
Brisbane
+72°F
Gold Coast
+70°F
Darwin
+79°F
Canberra
+61°F
Cairns
+81°F
Melbourne
+63°F
Perth
+57°F
Sydney
+64°F
Tasmania
+55°F
Fraser
+77°F
24 Hours Forecast
Cairns
Local time: 08:24
December 27, saturday
0900
81°F
S
1 mph
1200
84°F
S
6 mph
1500
82°F
S
6 mph
1800
81°F
S
6 mph
2100
79°F
SE
4 mph
December 28, sunday
0000
79°F
E
2 mph
0300
77°F
NE
2 mph
0600
77°F
NE
4 mph
Units of measurement: °C / °F