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Perth in December

Find out everything about the water temperature in Perth in December. Average, minimum and maximum recorded temperatures as well as daily temperature in December for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in December
Minimum:

67.9 °F

Average:

71.4 °F

Maximum:

75.6 °F

Sea water temperature in Perth in December

In the city of Perth, the month of December is somewhat comfortable for swimming. The minimum recorded temperature during this month was 67.9°F on December 1, 2018, with an average temperature being 71.4°F and a maximum temperature reaching 75.6°F on December 28, 2019.

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 December, the sea temperature remains relatively stable. The average temperature stays close to 71.4°F throughout the month, with minimal changes.
Date 10 years average 2023 2022
Dec 1 69.9°F 72.6°F 68.7°F
Dec 2 69.9°F 72.8°F 68.6°F
Dec 3 70.0°F 72.7°F 68.6°F
Dec 4 70.2°F 72.5°F 69.3°F
Dec 5 70.3°F 72.6°F 69.8°F
Dec 6 70.4°F 73.6°F 69.8°F
Dec 7 70.6°F 74.2°F 70.3°F
Dec 8 70.7°F 73.9°F 70.6°F
Dec 9 70.6°F 73.6°F 70.7°F
Dec 10 70.8°F 73.3°F 71.0°F
Dec 11 71.0°F 72.8°F 70.7°F
Dec 12 71.0°F 72.5°F 70.4°F
Dec 13 71.2°F 72.6°F 70.3°F
Dec 14 71.1°F 72.9°F 69.5°F
Dec 15 71.1°F 72.2°F 69.8°F
Dec 16 71.3°F 72.5°F 70.2°F
Dec 17 71.2°F 72.7°F 70.4°F
Dec 18 71.3°F 73.5°F 70.7°F
Dec 19 71.4°F 73.4°F 71.5°F
Dec 20 71.3°F 73.3°F 71.4°F
Dec 21 71.5°F 73.2°F 71.5°F
Dec 22 71.9°F 73.0°F 71.9°F
Dec 23 72.2°F 73.6°F 71.7°F
Dec 24 72.5°F 74.1°F 71.9°F
Dec 25 72.7°F 74.6°F 72.4°F
Dec 26 72.9°F 74.6°F 73.1°F
Dec 27 73.1°F 75.4°F 73.7°F
Dec 28 73.1°F 75.0°F 73.7°F
Dec 29 73.0°F 74.6°F 73.3°F
Dec 30 73.0°F 74.7°F 73.5°F
Dec 31 73.0°F 74.9°F 73.8°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. The average temperature in December is slightly warmer than November's average of 68.4°F. And in January, the temperature is expected to rise further, potentially reaching an average of 73.8°F.