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Hamilton in October

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

62.4 °F

Average:

66.1 °F

Maximum:

69.4 °F

Sea water temperature in Hamilton in October

In the city of Hamilton, the month of October is somewhat too cool for swimming. The minimum recorded temperature during this month was 62.4°F on October 18, 2021, with an average temperature being 66.1°F and a maximum temperature reaching 69.4°F on October 30, 2024.

Most people would find such water temperature somewhat too cold for swimming. In October, the sea temperature remains relatively stable. The average temperature stays close to 66.1°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Oct 1 65.2°F 65.2°F 67.2°F
Oct 2 65.2°F 65.4°F 66.6°F
Oct 3 65.4°F 65.6°F 67.4°F
Oct 4 65.4°F 64.9°F 67.1°F
Oct 5 65.6°F 65.8°F 67.5°F
Oct 6 65.7°F 65.2°F 66.2°F
Oct 7 65.8°F 66.6°F 66.5°F
Oct 8 65.9°F 66.8°F 66.9°F
Oct 9 66.0°F 66.7°F 65.7°F
Oct 10 66.1°F 67.8°F 65.7°F
Oct 11 66.1°F 66.7°F 66.0°F
Oct 12 66.2°F 67.5°F 66.9°F
Oct 13 66.0°F 67.5°F 65.9°F
Oct 14 65.9°F 67.4°F 65.7°F
Oct 15 65.9°F 67.1°F 66.1°F
Oct 16 65.8°F 67.2°F 65.7°F
Oct 17 66.0°F 66.7°F 65.6°F
Oct 18 65.9°F 67.8°F 65.6°F
Oct 19 66.0°F 68.2°F 65.8°F
Oct 20 66.1°F 67.4°F 66.3°F
Oct 21 66.2°F 67.4°F 66.3°F
Oct 22 66.2°F 67.2°F 67.0°F
Oct 23 66.3°F 66.8°F 68.0°F
Oct 24 66.5°F 67.9°F 67.9°F
Oct 25 66.9°F 68.8°F 68.0°F
Oct 26 67.0°F 68.6°F 68.0°F
Oct 27 67.0°F 68.1°F 68.2°F
Oct 28 66.8°F 68.2°F 68.5°F
Oct 29 67.1°F 68.9°F 68.2°F
Oct 30 67.1°F 69.4°F 68.0°F
Oct 31 67.2°F 69.1°F 67.9°F

Sea water temperature in Hamilton by month

In Hamilton, the months February through March offer comfortable swimming conditions, which amounts to 60 swimming days. The warmest water in Hamilton was recorded on February 2, 2020, reaching a 78.9°F. While the coldest temperature occurred on August 25, 2018, dipping to 60.8°F. The average readings by season are 72.5°F in Winter, 71.6°F in Spring, 65.0°F in Summer, and 66.2°F in Autumn. The average temperature in October is slightly warmer than September's average of 64.3°F. And in November, the temperature is expected to rise further, potentially reaching an average of 68.2°F.