Monkey Mia — Water Temperature in August

Water Temperature Range

18°C

minimum

21°C

average

23°C

maximum

Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2026	2025	2024	2023
AUG 1	-10°C	18°C	21°C	21°C
AUG 2	18°C	21°C	21°C	20°C
AUG 3	18°C	21°C	21°C	20°C
AUG 4	18°C	21°C	21°C	21°C
AUG 5	18°C	21°C	21°C	21°C
AUG 6	18°C	21°C	21°C	20°C
AUG 7	18°C	21°C	21°C	21°C
AUG 8	19°C	21°C	21°C	20°C
AUG 9	19°C	21°C	21°C	20°C
AUG 10	18°C	21°C	21°C	20°C
AUG 11	18°C	21°C	21°C	20°C
AUG 12	18°C	21°C	21°C	20°C
AUG 13	18°C	20°C	20°C	20°C
AUG 14	17°C	21°C	21°C	20°C
AUG 15	17°C	21°C	21°C	20°C
AUG 16	18°C	21°C	21°C	20°C
AUG 17	18°C	21°C	21°C	20°C
AUG 18	18°C	21°C	21°C	21°C
AUG 19	18°C	20°C	20°C	20°C
AUG 20	18°C	21°C	21°C	21°C
AUG 21	18°C	21°C	21°C	20°C
AUG 22	18°C	21°C	21°C	21°C
AUG 23	19°C	21°C	21°C	20°C
AUG 24	19°C	21°C	21°C	21°C
AUG 25	19°C	21°C	21°C	21°C
AUG 26	19°C	21°C	21°C	20°C
AUG 27	19°C	21°C	21°C	21°C
AUG 28	19°C	20°C	20°C	20°C
AUG 29	20°C	21°C	21°C	20°C
AUG 30	19°C	20°C	20°C	20°C
AUG 31	19°C	21°C	21°C	20°C

August: Climate and Swimming Opportunities

Average Night Air Temperature

9°C

Average Day Air Temperature

18°C

Precipitation Amount per Month

113 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

6 hrs

Average Wind Speed

16 km/h

Average Humidity

67%

With such a ratio between the average monthly temperatures of water and air, swimming can feel slightly cool at first but still quite doable. It’s more comfortable if the sun is out, and you may want a towel or hoodie right after.