Measurements:
°C
°F
Cairns
60°F
N 5 mph
Feels like: 60°F
Precip: 35%
World Resorts Australia Cairns Weather August Weather in Cairns

Cairns Weather: August

Average Day Temperature: 79.5°F
Average Night Temperature: 65.3°F
Sea Water Temperature: 76.6°F
Number of Sunny Days: 18 days
Sunshine Hours: 11.4 - 11.8 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.5 in

Air Temperature in August, °F

Select Year: 2026 2025 2024

The highest day temperature in August 2026 was 88°F. The lowest night temperature was 56°F. The average values for day and night temperatures during August were 78.2°F и 62.1°F respectivly.

Cairns Water Sea Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Cairns was 74.6°F. The maximum and minimum values were 72.0°F and 77.2°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in August are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Cairns is 0.5 in. It makes august the least rainy month of the year.

Wind Speed in August, mph

The average wind speed in August is 8.6 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Cairns in August is 8.1 hours.

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 78.7 °F
June 79.0 °F
August 79.5 °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

Cairns on the Weather Map

Australia Resorts:
NAME
Adelaide +52
Brisbane +56
Cairns +60
Canberra +46
Darwin +78
Fraser +64
Gold Coast +52
Melbourne +48
Perth +64
Sydney +58
Tasmania +52
24 Hours Weather Forecast
Cairns
Local time: 03:41
31 aug, monday
0600 62°F
NW
5 mph
0900 70°F
NW
9 mph
1200 76°F
W
12 mph
1500 76°F
W
9 mph
1800 68°F
NW
6 mph
2100 62°F
N
4 mph
01 sep, tuesday
0000 64°F
NW
5 mph
0300 64°F
NW
7 mph