Measurements:
°C
°F
Cairns
86°F
W 2 mph
Feels like: 94°F
Precip: 88%
World Resorts Australia Cairns Weather

Cairns Sea Water Temperature

Current Sea Water Temperature:
+89.4°F
Maximum Sea Water Temperature in February: 91.6°F
Minimum Sea Water Temperature in February: 85.0°F
Average water temperature in February: 88.7°F

Sea Water Temperature for the Last 10 Days:

February 20 89.4°F February 15 90.2°F
February 19 90.0°F February 14 91.0°F
February 18 90.2°F February 13 90.6°F
February 17 90.4°F February 12 89.6°F
February 16 90.4°F February 11 89.4°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

Sea Water Temperature in February

Select Year: 2026 2025 2024

The average sea surface temperature in February 2026 for Cairns was 90.0°F. The maximum and minimum values were 89.4°F and 91.0°F respectively.

Sea Water Temperature in January

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Cairns was 87.9°F. The maximum and minimum values were 86.8°F and 89.6°F respectively.

Sea Water Temperature in March

Select Year: 2025 2024 2023

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 90.8 °F
January 90.6 °F
February 90.4 °F
Warmest sea temperature:
February 88.7 °F
January 88.4 °F
March 87.7 °F
The most cold months:
July 78.8 °F
June 79.1 °F
August 79.6 °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 +82
Brisbane +90
Cairns +86
Canberra +96
Darwin +88
Fraser +84
Gold Coast +86
Melbourne +82
Perth +78
Sydney +82
Tasmania +66
24 Hours Weather Forecast
Cairns
Local time: 12:47
21 feb, saturday
1500 90°F
SW
4 mph
1800 84°F
SW
3 mph
2100 80°F
E
2 mph
22 feb, sunday
0000 78°F
E
6 mph
0300 78°F
NE
6 mph
0600 76°F
NE
5 mph
0900 82°F
NW
2 mph
1200 86°F
W
2 mph