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Osaka in August

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

78.5 °F

Average:

83.0 °F

Maximum:

86.9 °F

Sea water temperature in Osaka in August

In the city of Osaka, the month of August is a great time for swimming. The minimum recorded temperature during this month was 78.5°F on August 29, 2015, with an average temperature being 83.0°F and a maximum temperature reaching 86.9°F on August 17, 2020.

The watter temperature range during this month provides a satisfying and enjoyable experience in the water. In August, the sea temperature remains relatively stable. The average temperature stays close to 83.0°F throughout the month, with minimal changes.
Date 10 years average 2025 2024
Aug 1 82.9°F 85.4°F 84.2°F
Aug 2 83.7°F 86.0°F 85.6°F
Aug 3 83.6°F 85.8°F 85.6°F
Aug 4 83.7°F 85.5°F 85.7°F
Aug 5 84.1°F 86.0°F 85.3°F
Aug 6 84.2°F 85.7°F 86.8°F
Aug 7 84.1°F 86.8°F 85.6°F
Aug 8 83.8°F 85.4°F 84.3°F
Aug 9 83.2°F 84.7°F 83.9°F
Aug 10 82.7°F 84.3°F 83.5°F
Aug 11 82.6°F 84.2°F 83.4°F
Aug 12 82.6°F 83.4°F 83.4°F
Aug 13 82.8°F 83.1°F 83.6°F
Aug 14 82.9°F 84.1°F 83.7°F
Aug 15 82.8°F 84.9°F 83.6°F
Aug 16 82.9°F 86.6°F 84.0°F
Aug 17 82.6°F 85.3°F 83.6°F
Aug 18 82.4°F 85.0°F 83.9°F
Aug 19 82.6°F 86.4°F 85.2°F
Aug 20 82.7°F 86.1°F 84.8°F
Aug 21 83.0°F 86.1°F 84.1°F
Aug 22 83.2°F 86.7°F 83.7°F
Aug 23 83.1°F 85.2°F 84.5°F
Aug 24 83.0°F 84.9°F 84.5°F
Aug 25 82.9°F 85.5°F 84.6°F
Aug 26 82.7°F 85.1°F 85.4°F
Aug 27 82.9°F 85.7°F 86.8°F
Aug 28 82.7°F 85.0°F 85.1°F
Aug 29 82.3°F 85.2°F 84.7°F
Aug 30 82.3°F 85.2°F 84.3°F
Aug 31 82.3°F 85.3°F 83.9°F

Sea water temperature in Osaka by month

In Osaka, the months July through October offer comfortable swimming conditions, which amounts to 114 swimming days. The warmest water in Osaka was recorded on August 17, 2020, reaching a 86.9°F. While the coldest temperature occurred on February 15, 2025, dipping to 42.4°F. The average readings by season are 55.3°F in Winter, 58.9°F in Spring, 78.1°F in Summer, and 73.4°F in Autumn. In August, the temperature is higher than July's average of 79.7°F and September's average of 79.6°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Amagasaki 85.2°F 5mi
Sakai 85.2°F 8mi
Nishinomiya-hama 85.0°F 10mi
Kobe 83.9°F 18mi
Kyoto 86.1°F 27mi
Ōtsu 86.1°F 30mi
Himeji 84.7°F 46mi
Maizuru 85.5°F 53mi
Tokushima 83.0°F 69mi

* current water temperature in this city

** straight line distance from Osaka