World Resorts Australia Cairns Weather

Cairns 7 Days Forecast

18.12
thu
Day
84°F
NW 11 mph
Precip.
87%
Night
75°F
NW 8 mph
Precip.
100%
19.12
fri
Day
88°F
NW 11 mph
Precip.
73%
Night
75°F
N 6 mph
Precip.
79%
20.12
sat
Day
88°F
W 9 mph
Precip.
0%
Night
75°F
N 5 mph
Precip.
84%
21.12
sun
Day
88°F
W 7 mph
Precip.
87%
Night
77°F
N 1 mph
Precip.
79%
22.12
mon
Day
90°F
SW 7 mph
Precip.
0%
Night
77°F
N 2 mph
Precip.
22%
23.12
tue
Day
90°F
SW 7 mph
Precip.
0%
Night
77°F
N 3 mph
Precip.
77%
24.12
wed
Day
90°F
SW 6 mph
Precip.
21%
Night
77°F
N 1 mph
Precip.
100%

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.

Air temperature in Cairns, °F

Precipitation total in Cairns, in.

* Charts above show average data for the last 3 years.

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

Cairns
+75°F
NW 8 mph
Feels like: +79°F
Precip.: 79%
Places in Australia:
Name
°F
+77°F
+68°F
+70°F
+79°F
+66°F
+75°F
+66°F
+63°F
+68°F
+55°F
+75°F
24 Hours Forecast
Cairns
Local time: 05:11
December 18, thursday
0600
75°F
NW
8 mph
0900
81°F
NW
9 mph
1200
84°F
NW
11 mph
1500
84°F
NW
11 mph
1800
81°F
NW
10 mph
2100
75°F
NW
8 mph
December 19, friday
0000
75°F
NW
8 mph
0300
77°F
NW
7 mph
Units of measurement: °C / °F