Measurements:
°C
°F
CURRENT WEATHER
15:42
Cairns
82°F
W 6 mph
Feels like: 86°F
Precip: 0%
World Resorts Australia Cairns Weather

7 Day Weather Forecast

05.19
tue
DAY
82°F
W 6 mph
precip
0%
NIGHT
70°F
NE 4 mph
precip
0%
05.20
wed
DAY
82°F
NW 12 mph
precip
0%
NIGHT
64°F
N 7 mph
precip
0%
05.21
thu
DAY
78°F
NW 13 mph
precip
0%
NIGHT
60°F
N 8 mph
precip
0%
05.22
fri
DAY
76°F
NW 12 mph
precip
88%
NIGHT
66°F
N 8 mph
precip
75%
05.23
sat
DAY
78°F
NW 12 mph
precip
100%
NIGHT
62°F
N 6 mph
precip
0%
05.24
sun
DAY
78°F
NW 8 mph
precip
0%
NIGHT
60°F
NE 6 mph
precip
0%
05.25
mon
DAY
78°F
NW 8 mph
precip
0%
NIGHT
62°F
N 6 mph
precip
0%

Cairns Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Cairns was 25.0°F. The maximum and minimum values were 24.5°F and 25.7°F respectively.

Cairns on the Weather Map

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 90.3 °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 8 days
February 8 days
The most windy months:
May 9 mph
July 9 mph
June 9 mph
more details