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Ansan-si in April

Find out everything about the water temperature in Ansan-si 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:

42.5 °F

Average:

48.7 °F

Maximum:

55.8 °F

Sea water temperature in Ansan-si in April

In the city of Ansan-si, the month of April is too cold for swimming. The minimum recorded temperature during this month was 42.5°F on April 1, 2018, with an average temperature being 48.7°F and a maximum temperature reaching 55.8°F on April 27, 2021.

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 46.0°F at the beginning of the month, it steadily increases to around 51.6°F by the end.
Date 10 years average 2024 2023
Apr 1 45.0°F 43.1°F 46.5°F
Apr 2 45.2°F 44.5°F 47.2°F
Apr 3 45.7°F 46.4°F 49.0°F
Apr 4 46.0°F 47.9°F 48.8°F
Apr 5 46.2°F 48.0°F 48.7°F
Apr 6 46.1°F 47.9°F 48.3°F
Apr 7 46.0°F 48.2°F 48.3°F
Apr 8 46.3°F 48.0°F 48.3°F
Apr 9 46.6°F 48.1°F 48.6°F
Apr 10 46.8°F 50.8°F 45.7°F
Apr 11 47.0°F 50.2°F 47.0°F
Apr 12 47.5°F 48.6°F 47.2°F
Apr 13 47.7°F 49.6°F 47.2°F
Apr 14 48.3°F 50.5°F 49.4°F
Apr 15 48.5°F 51.2°F 49.8°F
Apr 16 49.0°F 51.2°F 49.3°F
Apr 17 49.0°F 50.5°F 50.3°F
Apr 18 49.2°F 50.3°F 50.1°F
Apr 19 49.4°F 50.6°F 49.3°F
Apr 20 49.9°F 51.1°F 51.6°F
Apr 21 50.2°F 51.4°F 51.3°F
Apr 22 50.8°F 51.7°F 54.2°F
Apr 23 51.1°F 52.7°F 53.3°F
Apr 24 51.2°F 52.7°F 53.1°F
Apr 25 51.4°F 52.9°F 50.6°F
Apr 26 51.7°F 53.3°F 50.3°F
Apr 27 52.3°F 53.0°F 51.1°F
Apr 28 52.4°F 53.5°F 52.5°F
Apr 29 52.1°F 53.3°F 52.4°F
Apr 30 52.4°F 54.9°F 53.5°F

Sea water temperature in Ansan-si by month

In Ansan-si, the months July through September offer comfortable swimming conditions, which amounts to 80 swimming days. The warmest water in Ansan-si was recorded on August 16, 2024, reaching a 84.2°F. While the coldest temperature occurred on February 27, 2022, dipping to 33.7°F. The average readings by season are 42.1°F in Winter, 49.2°F in Spring, 73.6°F in Summer, and 66.9°F in Autumn. The average temperature in April is slightly warmer than March's average of 41.3°F. And in May, the temperature is expected to rise further, potentially reaching an average of 57.8°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Anyang-si 56.8°F 7mi
Hwaseong-si 56.9°F 8mi
Incheon 56.4°F 11mi
Bucheon-si 56.7°F 12mi
Goyang-si 54.9°F 23mi

* current water temperature in this city

** straight line distance from Ansan-si