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Long Beach in January

Find out everything about the water temperature in Long Beach 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:

65.4 °F

Average:

70.9 °F

Maximum:

74.9 °F

Sea water temperature in Long Beach in January

In the city of Long Beach, the month of January is somewhat comfortable for swimming. The minimum recorded temperature during this month was 65.4°F on January 3, 2020, with an average temperature being 70.9°F and a maximum temperature reaching 74.9°F on January 18, 2017.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. In January, the sea temperature remains relatively stable. The average temperature stays close to 70.9°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Jan 1 69.4°F 70.5°F 67.5°F
Jan 2 69.2°F 70.1°F 67.5°F
Jan 3 69.2°F 70.3°F 67.4°F
Jan 4 69.4°F 70.4°F 67.6°F
Jan 5 69.5°F 70.8°F 67.6°F
Jan 6 69.9°F 70.9°F 67.8°F
Jan 7 69.9°F 69.9°F 67.7°F
Jan 8 70.0°F 70.1°F 67.6°F
Jan 9 70.1°F 70.6°F 68.3°F
Jan 10 70.4°F 71.6°F 68.4°F
Jan 11 70.8°F 71.9°F 68.4°F
Jan 12 71.1°F 71.2°F 69.2°F
Jan 13 71.1°F 70.6°F 69.8°F
Jan 14 71.4°F 70.9°F 69.3°F
Jan 15 71.5°F 71.2°F 70.1°F
Jan 16 71.8°F 71.5°F 70.3°F
Jan 17 71.5°F 70.7°F 70.8°F
Jan 18 71.7°F 71.8°F 70.9°F
Jan 19 71.7°F 69.8°F 70.8°F
Jan 20 71.9°F 69.9°F 70.3°F
Jan 21 71.7°F 72.6°F 69.8°F
Jan 22 71.7°F 72.2°F 69.8°F
Jan 23 71.4°F 71.9°F 69.9°F
Jan 24 71.3°F 70.3°F 69.8°F
Jan 25 71.5°F 70.2°F 70.9°F
Jan 26 71.6°F 70.4°F 71.6°F
Jan 27 71.5°F 70.5°F 71.7°F
Jan 28 71.7°F 70.5°F 72.5°F
Jan 29 71.5°F 70.3°F 72.5°F
Jan 30 71.9°F 71.5°F 72.7°F
Jan 31 71.9°F 71.3°F 73.0°F

Sea water temperature in Long Beach by month

In an average year, Long Beach offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Long Beach was recorded on February 23, 2016, reaching a 75.6°F. While the coldest temperature occurred on August 20, 2022, dipping to 57.5°F. The average readings by season are 70.4°F in Winter, 69.8°F in Spring, 62.5°F in Summer, and 63.5°F in Autumn. The average temperature in January is slightly warmer than December's average of 68.3°F. And in February, the temperature is expected to rise further, potentially reaching an average of 72.0°F.