Eureka in August
Find out everything about the water temperature in Eureka in August. Average, minimum and maximum recorded temperatures as well as daily temperature in August for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in August
Minimum:
48.0 °F
Average:
55.5 °F
Maximum:
61.8 °F
Sea water temperature in Eureka in August
In the city of Eureka, the month of August is too cold for swimming. The minimum recorded temperature during this month was 48.0°F on August 7, 2024, with an average temperature being 55.5°F and a maximum temperature reaching 61.8°F on August 12, 2022.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Aug 1 | 54.5°F | 54.2°F | 56.3°F |
| Aug 2 | 54.9°F | 54.8°F | 54.9°F |
| Aug 3 | 54.9°F | 54.3°F | 52.1°F |
| Aug 4 | 55.1°F | 53.6°F | 53.5°F |
| Aug 5 | 54.8°F | 50.6°F | 53.6°F |
| Aug 6 | 54.8°F | 50.3°F | 54.4°F |
| Aug 7 | 55.0°F | 48.0°F | 55.9°F |
| Aug 8 | 55.4°F | 49.5°F | 55.2°F |
| Aug 9 | 55.6°F | 50.7°F | 55.7°F |
| Aug 10 | 56.2°F | 51.4°F | 56.5°F |
| Aug 11 | 56.5°F | 51.6°F | 57.4°F |
| Aug 12 | 56.6°F | 51.7°F | 57.3°F |
| Aug 13 | 56.6°F | 51.7°F | 57.3°F |
| Aug 14 | 56.4°F | 51.5°F | 57.4°F |
| Aug 15 | 56.4°F | 51.5°F | 56.7°F |
| Aug 16 | 56.4°F | 53.8°F | 56.9°F |
| Aug 17 | 56.0°F | 54.9°F | 55.2°F |
| Aug 18 | 55.8°F | 55.5°F | 57.3°F |
| Aug 19 | 55.4°F | 54.9°F | 57.1°F |
| Aug 20 | 55.2°F | 56.0°F | 57.7°F |
| Aug 21 | 55.1°F | 55.9°F | 58.2°F |
| Aug 22 | 55.5°F | 57.0°F | 57.8°F |
| Aug 23 | 55.4°F | 57.5°F | 57.4°F |
| Aug 24 | 55.2°F | 55.5°F | 55.8°F |
| Aug 25 | 55.0°F | 55.3°F | 56.7°F |
| Aug 26 | 55.3°F | 55.5°F | 57.5°F |
| Aug 27 | 55.3°F | 56.0°F | 57.0°F |
| Aug 28 | 55.6°F | 55.8°F | 57.0°F |
| Aug 29 | 55.7°F | 56.3°F | 55.8°F |
| Aug 30 | 55.8°F | 56.5°F | 56.2°F |
| Aug 31 | 55.8°F | 56.3°F | 56.0°F |
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.
While August's temperature is warmer than July's average of 53.9°F, as September takes over, the temperature remains steady at 55.5°F.