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Tokushima in April

Find out everything about the water temperature in Tokushima 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:

51.7 °F

Average:

57.4 °F

Maximum:

63.7 °F

Sea water temperature in Tokushima in April

In the city of Tokushima, the month of April is too cold for swimming. The minimum recorded temperature during this month was 51.7°F on April 5, 2025, with an average temperature being 57.4°F and a maximum temperature reaching 63.7°F on April 30, 2026.

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 55.7°F at the beginning of the month, it steadily increases to around 59.4°F by the end.
Date 10 years average 2026 2025
Apr 1 55.7°F 55.2°F 54.6°F
Apr 2 55.5°F 54.2°F 54.8°F
Apr 3 54.9°F 53.4°F 52.3°F
Apr 4 55.1°F 55.0°F 52.7°F
Apr 5 55.3°F 56.2°F 51.7°F
Apr 6 55.7°F 56.2°F 52.8°F
Apr 7 56.0°F 56.8°F 53.7°F
Apr 8 56.4°F 55.8°F 54.9°F
Apr 9 56.1°F 53.3°F 56.9°F
Apr 10 56.5°F 55.8°F 56.0°F
Apr 11 56.5°F 57.3°F 56.6°F
Apr 12 56.7°F 58.0°F 55.1°F
Apr 13 56.8°F 58.4°F 55.7°F
Apr 14 57.1°F 58.6°F 55.9°F
Apr 15 57.2°F 59.1°F 56.4°F
Apr 16 56.6°F 59.2°F 54.4°F
Apr 17 57.3°F 57.9°F 56.2°F
Apr 18 57.5°F 58.4°F 57.1°F
Apr 19 57.9°F 59.1°F 58.9°F
Apr 20 58.0°F 60.2°F 58.8°F
Apr 21 58.4°F 60.6°F 58.2°F
Apr 22 58.9°F 61.1°F 58.4°F
Apr 23 59.0°F 61.8°F 58.7°F
Apr 24 59.4°F 61.7°F 58.7°F
Apr 25 59.9°F 62.4°F 60.4°F
Apr 26 59.6°F 60.3°F 57.8°F
Apr 27 59.7°F 62.5°F 56.9°F
Apr 28 59.3°F 61.5°F 58.2°F
Apr 29 60.0°F 63.3°F 59.0°F
Apr 30 60.2°F 63.7°F 58.5°F

Sea water temperature in Tokushima by month

In Tokushima, the months July through October offer comfortable swimming conditions, which amounts to 117 swimming days. The warmest water in Tokushima was recorded on August 6, 2025, reaching a 84.3°F. While the coldest temperature occurred on March 4, 2022, dipping to 47.3°F. The average readings by season are 56.6°F in Winter, 58.1°F in Spring, 76.1°F in Summer, and 74.5°F in Autumn. The average temperature in April is slightly warmer than March's average of 53.7°F. And in May, the temperature is expected to rise further, potentially reaching an average of 63.2°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Takamatsu 63.5°F 35mi
Marugame 62.9°F 47mi
Himeji 60.7°F 52mi
Okayama 64.1°F 54mi
Kobe 61.8°F 56mi
Kurashiki 64.3°F 58mi
Sakai 63.6°F 63mi
Nishinomiya-hama 63.1°F 63mi
Amagasaki 63.6°F 66mi
Osaka 63.6°F 69mi

* current water temperature in this city

** straight line distance from Tokushima