Perth in May
Find out everything about the water temperature in Perth in May. Average, minimum and maximum recorded temperatures as well as daily temperature in May for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in May
Minimum:
65.7 °F
Average:
68.1 °F
Maximum:
70.5 °F
Sea water temperature in Perth in May
In the city of Perth, the month of May is somewhat comfortable for swimming. The minimum recorded temperature during this month was 65.7°F on May 30, 2019, with an average temperature being 68.1°F and a maximum temperature reaching 70.5°F on May 1, 2021.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| May 1 | 69.2°F | 69.2°F | 68.2°F |
| May 2 | 69.1°F | 69.2°F | 68.1°F |
| May 3 | 68.9°F | 68.7°F | 68.0°F |
| May 4 | 68.7°F | 68.8°F | 68.0°F |
| May 5 | 68.6°F | 68.2°F | 67.6°F |
| May 6 | 68.6°F | 67.6°F | 67.8°F |
| May 7 | 68.6°F | 67.1°F | 67.9°F |
| May 8 | 68.6°F | 67.2°F | 67.9°F |
| May 9 | 68.7°F | 67.7°F | 68.4°F |
| May 10 | 68.5°F | 67.7°F | 68.3°F |
| May 11 | 68.5°F | 67.7°F | 68.3°F |
| May 12 | 68.4°F | 67.6°F | 67.8°F |
| May 13 | 68.3°F | 67.5°F | 67.8°F |
| May 14 | 68.1°F | 67.2°F | 67.3°F |
| May 15 | 67.9°F | 67.5°F | 67.4°F |
| May 16 | 67.9°F | 67.2°F | 67.9°F |
| May 17 | 67.9°F | 67.5°F | 67.8°F |
| May 18 | 67.8°F | 67.8°F | 67.5°F |
| May 19 | 67.7°F | 67.7°F | 67.6°F |
| May 20 | 67.7°F | 67.6°F | 67.1°F |
| May 21 | 67.5°F | 67.5°F | 67.2°F |
| May 22 | 67.4°F | 67.4°F | 67.2°F |
| May 23 | 67.6°F | 67.5°F | 67.5°F |
| May 24 | 67.6°F | 67.6°F | 67.5°F |
| May 25 | 67.6°F | 67.6°F | 67.4°F |
| May 26 | 67.7°F | 67.6°F | 67.0°F |
| May 27 | 67.6°F | 67.5°F | 67.2°F |
| May 28 | 67.4°F | 67.4°F | 67.2°F |
| May 29 | 67.2°F | 67.1°F | 67.0°F |
| May 30 | 67.2°F | 67.1°F | 67.1°F |
| May 31 | 67.3°F | 67.2°F | 67.4°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 65.7°F in Autumn.
May's average temperature is a slight drop from April's average of 70.6°F. In June, the temperature is expected to decrease further, potentially averaging around 66.7°F.