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Ōtsu in April

Find out everything about the water temperature in Ōtsu 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:

51.1 °F

Average:

56.5 °F

Maximum:

64.5 °F

Sea water temperature in Ōtsu in April

In the city of Ōtsu, the month of April is too cold for swimming. The minimum recorded temperature during this month was 51.1°F on April 7, 2017, with an average temperature being 56.5°F and a maximum temperature reaching 64.5°F on April 29, 2022.

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 54.7°F at the beginning of the month, it steadily increases to around 58.6°F by the end.
Date 10 years average 2024 2023
Apr 1 54.0°F 54.7°F 56.7°F
Apr 2 54.0°F 53.3°F 56.6°F
Apr 3 54.1°F 53.6°F 57.2°F
Apr 4 54.4°F 53.7°F 57.7°F
Apr 5 54.5°F 53.4°F 57.4°F
Apr 6 54.3°F 53.8°F 57.1°F
Apr 7 54.6°F 55.9°F 57.0°F
Apr 8 55.3°F 56.4°F 59.3°F
Apr 9 55.9°F 56.6°F 59.0°F
Apr 10 56.0°F 56.6°F 58.1°F
Apr 11 55.7°F 56.0°F 57.6°F
Apr 12 55.9°F 55.5°F 57.5°F
Apr 13 55.8°F 56.5°F 56.6°F
Apr 14 56.0°F 57.8°F 56.2°F
Apr 15 56.0°F 58.2°F 56.2°F
Apr 16 56.1°F 58.0°F 56.2°F
Apr 17 56.6°F 58.4°F 58.8°F
Apr 18 56.7°F 58.3°F 57.7°F
Apr 19 57.0°F 60.4°F 57.1°F
Apr 20 57.2°F 61.0°F 57.2°F
Apr 21 57.6°F 60.7°F 57.2°F
Apr 22 57.8°F 60.4°F 58.6°F
Apr 23 58.3°F 60.1°F 60.8°F
Apr 24 58.3°F 59.9°F 60.4°F
Apr 25 58.6°F 60.0°F 60.2°F
Apr 26 58.7°F 59.9°F 59.9°F
Apr 27 58.5°F 59.7°F 57.9°F
Apr 28 59.0°F 61.7°F 58.6°F
Apr 29 59.7°F 61.5°F 59.8°F
Apr 30 59.9°F 61.2°F 59.6°F

Sea water temperature in Ōtsu by month

In Ōtsu, the months July through September offer comfortable swimming conditions, which amounts to 103 swimming days. The warmest water in Ōtsu was recorded on August 7, 2024, reaching a 88.5°F. While the coldest temperature occurred on January 29, 2025, dipping to 44.9°F. The average readings by season are 53.9°F in Winter, 57.1°F in Spring, 76.6°F in Summer, and 70.9°F in Autumn. The average temperature in April is slightly warmer than March's average of 51.0°F. And in May, the temperature is expected to rise further, potentially reaching an average of 63.6°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kyoto 43.9°F 7mi
Osaka 51.1°F 30mi
Amagasaki 50.9°F 32mi
Nishinomiya-hama 50.6°F 36mi
Sakai 51.2°F 37mi
Tsu 49.1°F 41mi
Maizuru 53.7°F 43mi
Kobe 50.5°F 44mi

* current water temperature in this city

** straight line distance from Ōtsu