Garden Island — Water Temperature in July

Water Temperature Range

17°C

minimum

20°C

average

22°C

maximum

Water Temperature Chart for July

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

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

Climate and Swimming Opportunities in Garden Island in July

Average Day Air Temperature

18°C

Average Night Air Temperature

9°C

Precipitation Amount per Month

153 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

5 hrs

Average Wind Speed

15 km/h

Average Humidity

71%

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.