Measurements:
°C
°F
Cairns
82°F
SE 4 mph
Feels like: 88°F
Precip: 0%
World Resorts Australia Cairns Weather

Cairns Sea Water Temperature

Current Sea Water Temperature:
+86.0°F
Maximum Sea Water Temperature in April: 89.8°F
Minimum Sea Water Temperature in April: 82.2°F
Average water temperature in April: 85.4°F

Sea Water Temperature for the Last 10 Days:

April 02 86.0°F March 28 86.8°F
April 01 86.2°F March 27 87.0°F
March 31 86.2°F March 26 87.2°F
March 30 86.4°F March 25 87.4°F
March 29 86.6°F March 24 87.4°F

When is the Warmest Sea for Cairns?

According to our data for the last three years for Cairns the highest average sea water temperature was in February, January and March.

Average Water Temperature by Month, °F

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
15
30
45
60
75
90
105
120
87.4
85.2
82.5
79
76.6
76
77.6
81.2
85.4
87.7
88.6
88.4

Sea Water Temperature in February

Select Year: 2025 2024 2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
83
85
87
89
91
93
95

The average sea surface temperature in February 2025 for Cairns was 88.8°F. The maximum and minimum values were 87.6°F and 90.2°F respectively.

Sea Water Temperature in January

Select Year: 2025 2024 2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
83
85
87
89
91
93
95

The average sea surface temperature in January 2025 for Cairns was 89.6°F. The maximum and minimum values were 89.0°F and 90.2°F respectively.

Sea Water Temperature in March

Select Year: 2025 2024 2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
82
84
86
88
90
92
94

The average sea surface temperature in March 2025 for Cairns was 88.1°F. The maximum and minimum values were 86.2°F and 89.8°F respectively.

Best Time to Visit Cairns
The most sunny months:
October 19 days
August 18 days
September 16 days
The most warm months:
December 90.9 °F
January 90.8 °F
February 90.4 °F
Warmest sea temperature:
February 88.6 °F
January 88.4 °F
March 87.7 °F
The most cold months:
July 78.6 °F
June 79.1 °F
August 79.5 °F
The most rainy months:
January 10 days
March 9 days
February 8 days
The most windy months:
May 9 mph
July 9 mph
June 9 mph

Cairns on the Weather Map

Australia Resorts:
NAME
Adelaide +62
Brisbane +70
Cairns +82
Canberra +52
Darwin +84
Fraser +80
Gold Coast +70
Melbourne +60
Perth +72
Sydney +66
Tasmania +50
24 Hours Weather Forecast
Cairns
Local time: 04:13
03 apr, thursday
0600 80°F
SE
3 mph
0900 86°F
W
4 mph
1200 90°F
S
6 mph
1500 88°F
S
8 mph
1800 84°F
NE
4 mph
2100 80°F
S
4 mph
04 apr, friday
0000 80°F
SE
4 mph
0300 78°F
SE
2 mph