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Ōtsu in July

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

68.7 °F

Average:

78.3 °F

Maximum:

88.4 °F

Sea water temperature in Ōtsu in July

In the city of Ōtsu, the month of July is a great time for swimming. The minimum recorded temperature during this month was 68.7°F on July 2, 2015, with an average temperature being 78.3°F and a maximum temperature reaching 88.4°F on July 31, 2025.

The watter temperature range during this month provides a satisfying and enjoyable experience in the water. Throughout the month of July, the sea temperature gradually gets warmer. Starting with an average temperature of 75.7°F at the beginning of the month, it steadily increases to around 80.8°F by the end.
Date 10 years average 2025 2024
Jul 1 74.7°F 82.1°F 73.9°F
Jul 2 75.3°F 81.2°F 73.6°F
Jul 3 75.0°F 82.6°F 73.4°F
Jul 4 75.4°F 82.6°F 75.6°F
Jul 5 75.5°F 81.3°F 77.9°F
Jul 6 75.4°F 81.2°F 78.2°F
Jul 7 76.0°F 83.1°F 78.7°F
Jul 8 76.7°F 85.5°F 82.3°F
Jul 9 76.6°F 85.6°F 81.4°F
Jul 10 76.7°F 85.0°F 80.9°F
Jul 11 77.5°F 86.3°F 80.4°F
Jul 12 77.7°F 84.8°F 80.1°F
Jul 13 78.1°F 86.1°F 79.8°F
Jul 14 78.0°F 84.4°F 79.3°F
Jul 15 78.3°F 86.3°F 78.9°F
Jul 16 78.4°F 85.3°F 78.5°F
Jul 17 78.2°F 84.3°F 78.1°F
Jul 18 78.2°F 84.4°F 77.8°F
Jul 19 78.4°F 83.4°F 77.6°F
Jul 20 78.6°F 82.5°F 79.0°F
Jul 21 79.4°F 84.3°F 81.7°F
Jul 22 79.9°F 85.7°F 83.4°F
Jul 23 80.0°F 87.0°F 83.1°F
Jul 24 80.2°F 85.7°F 84.3°F
Jul 25 80.6°F 85.1°F 83.8°F
Jul 26 80.9°F 86.2°F 83.0°F
Jul 27 81.2°F 87.4°F 83.3°F
Jul 28 81.3°F 87.0°F 85.1°F
Jul 29 81.4°F 88.1°F 84.3°F
Jul 30 81.8°F 88.2°F 86.3°F
Jul 31 82.3°F 88.4°F 86.1°F

Sea water temperature in Ōtsu by month

In Ōtsu, the months July through September offer comfortable swimming conditions, which amounts to 104 swimming days. The warmest water in Ōtsu was recorded on August 3, 2025, reaching a 89.2°F. While the coldest temperature occurred on January 30, 2025, dipping to 43.9°F. The average readings by season are 53.7°F in Winter, 57.0°F in Spring, 76.9°F in Summer, and 70.9°F in Autumn. The average temperature in July is slightly warmer than June's average of 70.1°F. And in August, the temperature is expected to rise further, potentially reaching an average of 82.2°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kyoto 87.0°F 7mi
Osaka 86.2°F 30mi
Amagasaki 86.4°F 32mi
Nishinomiya-hama 85.7°F 36mi
Sakai 85.8°F 37mi
Tsu 86.7°F 41mi
Maizuru 85.7°F 43mi
Kobe 84.1°F 44mi

* current water temperature in this city

** straight line distance from Ōtsu