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Eureka in April

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

46.6 °F

Average:

51.5 °F

Maximum:

56.4 °F

Sea water temperature in Eureka in April

In the city of Eureka, the month of April is too cold for swimming. The minimum recorded temperature during this month was 46.6°F on April 1, 2021, with an average temperature being 51.5°F and a maximum temperature reaching 56.4°F on April 21, 2016.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In April, the sea temperature remains relatively stable. The average temperature stays close to 51.5°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Apr 1 51.3°F 53.3°F 49.2°F
Apr 2 51.3°F 52.2°F 49.5°F
Apr 3 51.2°F 52.6°F 49.5°F
Apr 4 51.0°F 52.4°F 49.4°F
Apr 5 51.3°F 52.3°F 49.7°F
Apr 6 51.3°F 51.0°F 49.9°F
Apr 7 51.2°F 51.0°F 50.0°F
Apr 8 51.4°F 51.2°F 50.1°F
Apr 9 51.5°F 51.4°F 49.7°F
Apr 10 51.3°F 50.7°F 50.3°F
Apr 11 51.4°F 50.9°F 50.5°F
Apr 12 51.5°F 51.2°F 51.0°F
Apr 13 51.4°F 51.7°F 50.8°F
Apr 14 51.4°F 51.7°F 50.2°F
Apr 15 51.5°F 51.7°F 50.1°F
Apr 16 51.3°F 51.2°F 50.6°F
Apr 17 51.4°F 50.6°F 50.6°F
Apr 18 51.5°F 50.5°F 50.7°F
Apr 19 51.8°F 50.3°F 50.5°F
Apr 20 51.9°F 50.2°F 50.5°F
Apr 21 52.0°F 50.9°F 50.7°F
Apr 22 51.7°F 50.5°F 50.6°F
Apr 23 51.5°F 49.4°F 51.2°F
Apr 24 51.6°F 50.1°F 51.2°F
Apr 25 51.7°F 50.3°F 51.2°F
Apr 26 51.9°F 50.6°F 52.0°F
Apr 27 51.9°F 51.2°F 51.2°F
Apr 28 51.9°F 51.8°F 51.5°F
Apr 29 52.0°F 52.1°F 52.6°F
Apr 30 52.1°F 51.9°F 52.3°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. The average temperature in April is slightly warmer than March's average of 51.1°F. And in May, the temperature is expected to rise further, potentially reaching an average of 51.7°F.