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Charleston in January

Find out everything about the water temperature in Charleston 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:

47.6 °F

Average:

57.2 °F

Maximum:

67.6 °F

Sea water temperature in Charleston in January

In the city of Charleston, the month of January is too cold for swimming. The minimum recorded temperature during this month was 47.6°F on January 8, 2018, with an average temperature being 57.2°F and a maximum temperature reaching 67.6°F on January 1, 2016.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In January, the sea temperature remains relatively stable. The average temperature stays close to 57.2°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Jan 1 58.5°F 54.5°F 49.9°F
Jan 2 58.7°F 55.5°F 51.0°F
Jan 3 58.7°F 54.3°F 53.3°F
Jan 4 58.8°F 52.6°F 53.4°F
Jan 5 58.8°F 53.9°F 55.2°F
Jan 6 58.3°F 52.3°F 56.4°F
Jan 7 58.1°F 53.5°F 55.6°F
Jan 8 57.7°F 54.0°F 52.6°F
Jan 9 57.4°F 54.1°F 52.8°F
Jan 10 57.6°F 55.0°F 54.4°F
Jan 11 57.5°F 53.6°F 54.8°F
Jan 12 57.7°F 54.1°F 54.6°F
Jan 13 57.8°F 53.7°F 55.8°F
Jan 14 57.9°F 54.5°F 56.2°F
Jan 15 57.4°F 55.2°F 55.0°F
Jan 16 57.4°F 55.7°F 53.6°F
Jan 17 57.2°F 54.3°F 52.9°F
Jan 18 57.0°F 54.2°F 54.4°F
Jan 19 56.5°F 51.9°F 54.1°F
Jan 20 56.7°F 53.0°F 54.5°F
Jan 21 56.9°F 52.6°F 56.7°F
Jan 22 56.9°F 51.5°F 57.3°F
Jan 23 56.9°F 50.0°F 57.8°F
Jan 24 56.5°F 51.1°F 56.1°F
Jan 25 56.4°F 53.0°F 54.5°F
Jan 26 56.4°F 53.2°F 55.3°F
Jan 27 56.3°F 52.6°F 55.8°F
Jan 28 56.0°F 52.4°F 54.9°F
Jan 29 55.8°F 54.5°F 53.7°F
Jan 30 55.8°F 53.9°F 54.1°F
Jan 31 55.3°F 52.6°F 54.4°F

Sea water temperature in Charleston by month

In Charleston, the months May through October offer comfortable swimming conditions, which amounts to 156 swimming days. The warmest water in Charleston was recorded on July 19, 2024, reaching a 87.3°F. While the coldest temperature occurred on December 29, 2022, dipping to 47.1°F. The average readings by season are 57.8°F in Winter, 67.1°F in Spring, 82.7°F in Summer, and 73.7°F in Autumn. January's average temperature is a slight drop from December's average of 59.3°F. In February, the temperature is expected to decrease further, potentially averaging around 57.0°F.