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Sydney in January

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

69.5 °F

Average:

73.2 °F

Maximum:

76.5 °F

Sea water temperature in Sydney in January

In the city of Sydney, the month of January is somewhat comfortable for swimming. The minimum recorded temperature during this month was 69.5°F on January 2, 2016, with an average temperature being 73.2°F and a maximum temperature reaching 76.5°F on January 31, 2020.

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 January, the sea temperature remains relatively stable. The average temperature stays close to 73.2°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Jan 1 71.7°F 72.7°F 72.0°F
Jan 2 71.8°F 72.7°F 72.1°F
Jan 3 72.2°F 73.5°F 73.0°F
Jan 4 72.5°F 73.4°F 73.0°F
Jan 5 72.5°F 72.5°F 73.1°F
Jan 6 72.7°F 73.3°F 73.0°F
Jan 7 72.7°F 72.9°F 73.1°F
Jan 8 72.6°F 73.9°F 72.9°F
Jan 9 72.7°F 74.2°F 73.2°F
Jan 10 72.8°F 74.4°F 72.8°F
Jan 11 73.1°F 74.4°F 73.0°F
Jan 12 73.4°F 75.0°F 73.8°F
Jan 13 73.4°F 73.9°F 73.1°F
Jan 14 73.8°F 76.4°F 73.7°F
Jan 15 73.7°F 76.2°F 73.5°F
Jan 16 73.6°F 75.3°F 74.0°F
Jan 17 73.3°F 75.3°F 74.3°F
Jan 18 73.2°F 74.6°F 74.2°F
Jan 19 73.2°F 74.3°F 74.1°F
Jan 20 73.3°F 75.3°F 74.1°F
Jan 21 73.2°F 75.1°F 74.3°F
Jan 22 73.2°F 75.0°F 74.3°F
Jan 23 73.4°F 74.4°F 73.6°F
Jan 24 73.9°F 73.8°F 74.5°F
Jan 25 73.9°F 73.9°F 75.0°F
Jan 26 74.0°F 76.1°F 74.4°F
Jan 27 74.3°F 76.0°F 75.0°F
Jan 28 74.2°F 73.6°F 74.9°F
Jan 29 74.1°F 74.1°F 74.8°F
Jan 30 74.3°F 74.0°F 74.9°F
Jan 31 74.2°F 73.0°F 75.9°F

Sea water temperature in Sydney by month

In Sydney, the months February through March offer comfortable swimming conditions, which amounts to 69 swimming days. The warmest water in Sydney was recorded on February 2, 2020, reaching a 78.2°F. While the coldest temperature occurred on August 25, 2018, dipping to 59.4°F. The average readings by season are 72.7°F in Winter, 71.6°F in Spring, 64.9°F in Summer, and 65.9°F in Autumn. The average temperature in January is slightly warmer than December's average of 70.5°F. And in February, the temperature is expected to rise further, potentially reaching an average of 74.2°F.