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Eureka in January

Find out everything about the water temperature in Eureka 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:

49.2 °F

Average:

52.2 °F

Maximum:

56.2 °F

Sea water temperature in Eureka in January

In the city of Eureka, the month of January is too cold for swimming. The minimum recorded temperature during this month was 49.2°F on January 1, 2014, with an average temperature being 52.2°F and a maximum temperature reaching 56.2°F on January 1, 2015.

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 52.2°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Jan 1 52.2°F 54.7°F 52.0°F
Jan 2 52.2°F 54.9°F 52.0°F
Jan 3 52.0°F 54.7°F 51.8°F
Jan 4 52.0°F 54.5°F 51.5°F
Jan 5 51.9°F 54.4°F 51.6°F
Jan 6 52.0°F 54.4°F 51.4°F
Jan 7 52.1°F 54.3°F 51.7°F
Jan 8 52.1°F 54.4°F 51.6°F
Jan 9 52.2°F 54.5°F 52.0°F
Jan 10 52.2°F 54.1°F 52.3°F
Jan 11 52.1°F 54.1°F 51.8°F
Jan 12 52.1°F 53.4°F 52.0°F
Jan 13 52.3°F 53.7°F 52.1°F
Jan 14 52.4°F 53.9°F 52.2°F
Jan 15 52.4°F 54.1°F 52.4°F
Jan 16 52.4°F 53.5°F 52.4°F
Jan 17 52.5°F 53.7°F 52.4°F
Jan 18 52.5°F 53.7°F 51.9°F
Jan 19 52.5°F 53.6°F 52.1°F
Jan 20 52.4°F 53.7°F 52.0°F
Jan 21 52.3°F 53.6°F 51.1°F
Jan 22 52.3°F 53.8°F 51.4°F
Jan 23 52.3°F 54.0°F 51.6°F
Jan 24 52.2°F 53.5°F 52.1°F
Jan 25 52.3°F 53.6°F 51.5°F
Jan 26 52.4°F 53.7°F 51.5°F
Jan 27 52.2°F 53.7°F 51.1°F
Jan 28 52.2°F 53.7°F 51.1°F
Jan 29 52.2°F 54.0°F 50.9°F
Jan 30 52.2°F 53.8°F 50.2°F
Jan 31 52.2°F 54.0°F 50.2°F

Sea water temperature in Eureka by month

In an average year, Eureka offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Eureka was recorded on August 12, 2022, reaching a 61.8°F. While the coldest temperature occurred on July 15, 2021, dipping to 44.7°F. The average readings by season are 52.3°F in Winter, 51.4°F in Spring, 54.1°F in Summer, and 54.5°F in Autumn. January's average temperature is a slight drop from December's average of 53.2°F. In February, the temperature is expected to decrease further, potentially averaging around 51.5°F.