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Port Arthur in April

Find out everything about the water temperature in Port Arthur 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:

63.7 °F

Average:

70.9 °F

Maximum:

76.4 °F

Sea water temperature in Port Arthur in April

In the city of Port Arthur, the month of April is somewhat comfortable for swimming. The minimum recorded temperature during this month was 63.7°F on April 1, 2014, with an average temperature being 70.9°F and a maximum temperature reaching 76.4°F on April 23, 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. Throughout the month of April, the sea temperature gradually gets warmer. Starting with an average temperature of 69.1°F at the beginning of the month, it steadily increases to around 72.8°F by the end.
Date 10 years average 2024 2023
Apr 1 68.4°F 67.3°F 67.7°F
Apr 2 68.2°F 67.1°F 67.5°F
Apr 3 68.7°F 69.4°F 67.6°F
Apr 4 69.0°F 68.9°F 68.7°F
Apr 5 69.2°F 68.8°F 70.2°F
Apr 6 69.2°F 69.1°F 70.4°F
Apr 7 69.4°F 70.8°F 70.2°F
Apr 8 69.6°F 70.6°F 70.1°F
Apr 9 69.8°F 70.4°F 70.0°F
Apr 10 69.6°F 70.5°F 69.9°F
Apr 11 70.1°F 72.0°F 69.8°F
Apr 12 70.3°F 71.1°F 70.4°F
Apr 13 70.4°F 70.8°F 70.4°F
Apr 14 70.7°F 71.3°F 69.9°F
Apr 15 70.8°F 71.9°F 71.3°F
Apr 16 70.9°F 71.9°F 73.3°F
Apr 17 70.6°F 72.1°F 71.6°F
Apr 18 71.0°F 72.2°F 71.2°F
Apr 19 71.1°F 72.3°F 69.9°F
Apr 20 71.5°F 72.7°F 71.1°F
Apr 21 71.7°F 74.7°F 71.1°F
Apr 22 72.1°F 73.5°F 73.1°F
Apr 23 71.9°F 71.1°F 72.9°F
Apr 24 72.3°F 71.8°F 72.8°F
Apr 25 72.5°F 72.4°F 72.4°F
Apr 26 73.1°F 72.4°F 72.5°F
Apr 27 73.6°F 72.8°F 72.4°F
Apr 28 73.5°F 73.5°F 71.9°F
Apr 29 73.6°F 73.7°F 71.5°F
Apr 30 73.9°F 73.6°F 71.8°F

Sea water temperature in Port Arthur by month

In Port Arthur, the months May through October offer comfortable swimming conditions, which amounts to 189 swimming days. The warmest water in Port Arthur was recorded on August 4, 2023, reaching a 89.7°F. While the coldest temperature occurred on January 18, 2021, dipping to 50.7°F. The average readings by season are 59.8°F in Winter, 71.2°F in Spring, 85.5°F in Summer, and 77.1°F in Autumn. The average temperature in April is slightly warmer than March's average of 64.9°F. And in May, the temperature is expected to rise further, potentially reaching an average of 77.9°F.