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Oceanside in April

Find out everything about the water temperature in Oceanside 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:

55.0 °F

Average:

61.2 °F

Maximum:

66.2 °F

Sea water temperature in Oceanside in April

In the city of Oceanside, the month of April is somewhat too cool for swimming. The minimum recorded temperature during this month was 55.0°F on April 7, 2023, with an average temperature being 61.2°F and a maximum temperature reaching 66.2°F on April 1, 2015.

Most people would find such water temperature somewhat too cold for swimming. In April, the sea temperature remains relatively stable. The average temperature stays close to 61.2°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Apr 1 60.2°F 58.1°F 56.9°F
Apr 2 60.3°F 59.2°F 56.9°F
Apr 3 60.5°F 59.3°F 57.7°F
Apr 4 60.6°F 60.0°F 57.6°F
Apr 5 60.5°F 60.5°F 55.9°F
Apr 6 60.5°F 59.6°F 55.1°F
Apr 7 60.7°F 58.9°F 55.0°F
Apr 8 61.0°F 58.9°F 56.0°F
Apr 9 61.2°F 59.0°F 55.8°F
Apr 10 61.0°F 59.2°F 55.3°F
Apr 11 61.1°F 59.6°F 56.1°F
Apr 12 61.2°F 60.4°F 57.7°F
Apr 13 60.8°F 59.8°F 56.8°F
Apr 14 60.6°F 59.3°F 56.4°F
Apr 15 60.6°F 59.0°F 56.1°F
Apr 16 60.7°F 59.3°F 57.5°F
Apr 17 60.9°F 59.7°F 58.0°F
Apr 18 60.8°F 60.5°F 58.4°F
Apr 19 61.0°F 61.3°F 58.7°F
Apr 20 61.1°F 61.2°F 58.7°F
Apr 21 61.2°F 61.4°F 58.3°F
Apr 22 61.5°F 61.6°F 58.8°F
Apr 23 61.8°F 61.7°F 59.7°F
Apr 24 62.0°F 61.9°F 60.1°F
Apr 25 62.0°F 62.6°F 60.4°F
Apr 26 62.4°F 62.7°F 60.7°F
Apr 27 62.4°F 61.7°F 60.8°F
Apr 28 62.5°F 61.6°F 61.2°F
Apr 29 62.5°F 62.3°F 61.5°F
Apr 30 62.6°F 62.0°F 61.1°F

Sea water temperature in Oceanside by month

In an average year, Oceanside offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Oceanside was recorded on August 11, 2018, reaching a 79.1°F. While the coldest temperature occurred on April 7, 2023, dipping to 55.0°F. The average readings by season are 60.5°F in Winter, 61.8°F in Spring, 69.9°F in Summer, and 68.2°F in Autumn. The average temperature in April is slightly warmer than March's average of 60.2°F. And in May, the temperature is expected to rise further, potentially reaching an average of 64.0°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Laguna Beach 59.8°F 33mi
San Diego 56.8°F 35mi
Tijuana 56.6°F 53mi
Long Beach 58.8°F 61mi

* current water temperature in this city

** straight line distance from Oceanside