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Beidaihe in April

Find out everything about the water temperature in Beidaihe 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:

39.2 °F

Average:

48.5 °F

Maximum:

55.9 °F

Sea water temperature in Beidaihe in April

In the city of Beidaihe, the month of April is too cold for swimming. The minimum recorded temperature during this month was 39.2°F on April 1, 2018, with an average temperature being 48.5°F and a maximum temperature reaching 55.9°F on April 30, 2025.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. Throughout the month of April, the sea temperature gradually gets warmer. Starting with an average temperature of 45.1°F at the beginning of the month, it steadily increases to around 52.0°F by the end.
Date 10 years average 2025 2024
Apr 1 43.4°F 43.7°F 43.1°F
Apr 2 43.8°F 44.4°F 43.1°F
Apr 3 44.2°F 44.7°F 43.0°F
Apr 4 44.7°F 45.1°F 42.8°F
Apr 5 45.0°F 45.2°F 43.0°F
Apr 6 45.7°F 46.8°F 44.6°F
Apr 7 46.2°F 47.3°F 45.6°F
Apr 8 46.2°F 48.6°F 43.9°F
Apr 9 46.1°F 48.0°F 45.3°F
Apr 10 46.2°F 48.8°F 45.2°F
Apr 11 46.1°F 49.4°F 44.2°F
Apr 12 46.7°F 47.9°F 45.0°F
Apr 13 47.3°F 47.3°F 47.4°F
Apr 14 48.0°F 49.0°F 47.3°F
Apr 15 48.3°F 48.6°F 45.7°F
Apr 16 48.8°F 48.1°F 47.8°F
Apr 17 49.4°F 47.4°F 50.2°F
Apr 18 49.7°F 49.5°F 50.6°F
Apr 19 50.0°F 49.5°F 50.8°F
Apr 20 50.2°F 50.5°F 50.7°F
Apr 21 50.4°F 49.7°F 51.0°F
Apr 22 50.4°F 50.4°F 51.6°F
Apr 23 51.2°F 52.3°F 51.3°F
Apr 24 51.4°F 53.0°F 51.0°F
Apr 25 51.8°F 52.8°F 51.9°F
Apr 26 52.5°F 53.0°F 51.0°F
Apr 27 52.7°F 52.0°F 51.8°F
Apr 28 52.9°F 54.1°F 51.8°F
Apr 29 53.1°F 54.1°F 52.1°F
Apr 30 53.4°F 55.9°F 52.5°F

Sea water temperature in Beidaihe by month

In Beidaihe, the months July through September offer comfortable swimming conditions, which amounts to 88 swimming days. The warmest water in Beidaihe was recorded on August 6, 2022, reaching a 84.1°F. While the coldest temperature occurred on January 5, 2022, dipping to 32.0°F. The average readings by season are 35.0°F in Winter, 48.6°F in Spring, 76.1°F in Summer, and 63.4°F in Autumn. The average temperature in April is slightly warmer than March's average of 37.8°F. And in May, the temperature is expected to rise further, potentially reaching an average of 59.6°F.