All data are in degrees Fahrenheit

en

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.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. In May, the sea temperature remains relatively stable. The average temperature stays close to 68.1°F throughout the month, with minimal changes.
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 67.3°F 67.6°F
May 20 67.7°F 67.6°F 67.1°F
May 21 67.5°F 67.6°F 67.2°F
May 22 67.5°F 67.7°F 67.2°F
May 23 67.6°F 67.3°F 67.5°F
May 24 67.6°F 67.4°F 67.5°F
May 25 67.6°F 67.9°F 67.4°F
May 26 67.7°F 68.3°F 67.0°F
May 27 67.6°F 68.3°F 67.2°F
May 28 67.5°F 68.4°F 67.2°F
May 29 67.3°F 68.2°F 67.0°F
May 30 67.3°F 68.4°F 67.1°F
May 31 67.4°F 68.4°F 67.4°F

Sea water temperature in Perth by month

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. 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.