Dirk Hartog Island — Water Temperature in July

Water Temperature Range

18°C

minimum

21°C

average

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

Climate and Swimming Opportunities in Dirk Hartog 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.