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Ōtsu in December

Find out everything about the water temperature in Ōtsu in December. Average, minimum and maximum recorded temperatures as well as daily temperature in December for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in December
Minimum:

52.8 °F

Average:

57.5 °F

Maximum:

61.4 °F

Sea water temperature in Ōtsu in December

In the city of Ōtsu, the month of December is too cold for swimming. The minimum recorded temperature during this month was 52.8°F on December 31, 2017, with an average temperature being 57.5°F and a maximum temperature reaching 61.4°F on December 1, 2019.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. Throughout the month of December, the sea temperature gradually gets colder. Starting with an average temperature of 59.6°F at the beginning of the month, it steadily decreases to around 55.6°F by the end.
Date 10 years average 2024 2023
Dec 1 60.6°F 60.5°F 58.6°F
Dec 2 60.5°F 60.3°F 58.4°F
Dec 3 60.1°F 58.6°F 58.2°F
Dec 4 59.9°F 58.4°F 57.9°F
Dec 5 59.8°F 58.2°F 58.0°F
Dec 6 59.6°F 58.0°F 58.1°F
Dec 7 59.5°F 57.8°F 58.1°F
Dec 8 59.2°F 57.6°F 58.0°F
Dec 9 58.9°F 57.5°F 57.1°F
Dec 10 58.5°F 57.1°F 56.4°F
Dec 11 58.4°F 56.9°F 56.0°F
Dec 12 58.1°F 57.1°F 55.9°F
Dec 13 57.9°F 57.0°F 56.4°F
Dec 14 57.7°F 56.9°F 56.3°F
Dec 15 57.6°F 56.9°F 56.5°F
Dec 16 57.6°F 56.8°F 56.6°F
Dec 17 57.4°F 56.8°F 56.4°F
Dec 18 57.3°F 56.7°F 56.5°F
Dec 19 57.1°F 56.1°F 56.6°F
Dec 20 57.1°F 56.1°F 56.6°F
Dec 21 56.8°F 55.1°F 55.9°F
Dec 22 56.8°F 54.9°F 55.4°F
Dec 23 56.5°F 54.6°F 55.3°F
Dec 24 56.3°F 54.4°F 55.1°F
Dec 25 56.0°F 54.1°F 55.0°F
Dec 26 55.5°F 53.6°F 53.9°F
Dec 27 55.1°F 53.3°F 53.7°F
Dec 28 54.6°F 52.7°F 54.0°F
Dec 29 54.5°F 52.6°F 53.9°F
Dec 30 54.6°F 52.7°F 54.1°F
Dec 31 54.6°F 52.8°F 54.3°F

Sea water temperature in Ōtsu by month

In Ōtsu, the months July through September offer comfortable swimming conditions, which amounts to 101 swimming days. The warmest water in Ōtsu was recorded on August 7, 2024, reaching a 88.5°F. While the coldest temperature occurred on March 14, 2024, dipping to 44.9°F. The average readings by season are 53.9°F in Winter, 56.8°F in Spring, 76.2°F in Summer, and 70.7°F in Autumn. December's average temperature is a slight drop from November's average of 63.3°F. In January, the temperature is expected to decrease further, potentially averaging around 53.0°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kyoto 54.9°F 7mi
Osaka 58.2°F 30mi
Amagasaki 58.0°F 32mi
Nishinomiya-hama 57.9°F 36mi
Sakai 58.4°F 37mi
Tsu 55.3°F 41mi
Maizuru 59.6°F 43mi
Kobe 58.2°F 44mi

* current water temperature in this city

** straight line distance from Ōtsu