Perth in July
Find out everything about the water temperature in Perth in July. Average, minimum and maximum recorded temperatures as well as daily temperature in July for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in July
Minimum:
62.7 °F
Average:
64.8 °F
Maximum:
67.0 °F
Sea water temperature in Perth in July
In the city of Perth, the month of July is somewhat too cool for swimming. The minimum recorded temperature during this month was 62.7°F on July 31, 2023, with an average temperature being 64.8°F and a maximum temperature reaching 67.0°F on July 1, 2017.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Jul 1 | 66.1°F | 65.7°F | 65.2°F |
| Jul 2 | 65.9°F | 65.7°F | 65.2°F |
| Jul 3 | 65.8°F | 65.1°F | 65.1°F |
| Jul 4 | 65.6°F | 64.4°F | 65.1°F |
| Jul 5 | 65.6°F | 64.2°F | 65.2°F |
| Jul 6 | 65.6°F | 64.3°F | 65.3°F |
| Jul 7 | 65.5°F | 64.4°F | 65.0°F |
| Jul 8 | 65.3°F | 64.4°F | 64.6°F |
| Jul 9 | 65.0°F | 64.3°F | 64.5°F |
| Jul 10 | 64.9°F | 64.1°F | 64.6°F |
| Jul 11 | 64.7°F | 64.1°F | 64.3°F |
| Jul 12 | 64.6°F | 64.1°F | 64.5°F |
| Jul 13 | 64.7°F | 64.3°F | 64.5°F |
| Jul 14 | 64.7°F | 64.5°F | 64.7°F |
| Jul 15 | 64.7°F | 64.5°F | 64.2°F |
| Jul 16 | 64.6°F | 64.3°F | 64.2°F |
| Jul 17 | 64.6°F | 64.4°F | 64.3°F |
| Jul 18 | 64.7°F | 64.5°F | 64.4°F |
| Jul 19 | 64.6°F | 64.4°F | 64.3°F |
| Jul 20 | 64.6°F | 64.4°F | 64.4°F |
| Jul 21 | 64.6°F | 64.0°F | 64.4°F |
| Jul 22 | 64.5°F | 64.0°F | 64.5°F |
| Jul 23 | 64.3°F | 64.0°F | 63.6°F |
| Jul 24 | 64.1°F | 64.1°F | 63.0°F |
| Jul 25 | 64.1°F | 64.1°F | 62.9°F |
| Jul 26 | 64.0°F | 64.0°F | 62.9°F |
| Jul 27 | 64.1°F | 63.8°F | 63.0°F |
| Jul 28 | 64.1°F | 63.9°F | 63.0°F |
| Jul 29 | 64.2°F | 63.9°F | 62.9°F |
| Jul 30 | 64.1°F | 63.9°F | 63.0°F |
| Jul 31 | 64.1°F | 64.3°F | 62.7°F |
In Perth, the months January through March offer comfortable swimming conditions, which amounts to 73 swimming days.
The warmest water in Perth was recorded on February 27, 2022, reaching a 77.3°F. While the coldest temperature occurred on September 6, 2018, dipping to 60.8°F. The average readings by season are 73.1°F in Winter, 70.7°F in Spring, 64.9°F in Summer, and 65.8°F in Autumn.
July's average temperature is a slight drop from June's average of 66.7°F. In August, the temperature is expected to decrease further, potentially averaging around 63.4°F.