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Osaka in June

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

66.4 °F

Average:

71.6 °F

Maximum:

81.0 °F

Sea water temperature in Osaka in June

In the city of Osaka, the month of June is somewhat comfortable for swimming. The minimum recorded temperature during this month was 66.4°F on June 1, 2024, with an average temperature being 71.6°F and a maximum temperature reaching 81.0°F on June 30, 2025.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. Throughout the month of June, the sea temperature gradually gets warmer. Starting with an average temperature of 69.1°F at the beginning of the month, it steadily increases to around 74.1°F by the end.
Date 10 years average 2025 2024
Jun 1 68.2°F 68.5°F 66.4°F
Jun 2 68.3°F 68.4°F 67.4°F
Jun 3 68.9°F 68.5°F 68.2°F
Jun 4 69.0°F 68.2°F 68.6°F
Jun 5 69.1°F 67.8°F 66.6°F
Jun 6 69.4°F 68.8°F 68.3°F
Jun 7 69.6°F 69.4°F 68.5°F
Jun 8 69.3°F 69.5°F 68.8°F
Jun 9 69.7°F 69.6°F 68.8°F
Jun 10 70.0°F 69.6°F 68.9°F
Jun 11 70.4°F 69.5°F 71.3°F
Jun 12 70.6°F 69.6°F 71.7°F
Jun 13 70.7°F 69.7°F 71.6°F
Jun 14 71.1°F 69.8°F 74.8°F
Jun 15 71.5°F 69.9°F 74.8°F
Jun 16 71.5°F 70.0°F 74.5°F
Jun 17 72.1°F 71.7°F 74.6°F
Jun 18 72.2°F 73.5°F 74.5°F
Jun 19 72.6°F 76.9°F 72.5°F
Jun 20 73.0°F 79.2°F 72.5°F
Jun 21 72.9°F 77.6°F 72.6°F
Jun 22 72.8°F 78.2°F 72.1°F
Jun 23 73.1°F 77.7°F 72.2°F
Jun 24 73.2°F 77.4°F 72.3°F
Jun 25 73.6°F 77.1°F 73.9°F
Jun 26 74.4°F 80.7°F 74.1°F
Jun 27 75.0°F 80.9°F 75.3°F
Jun 28 74.8°F 78.9°F 75.0°F
Jun 29 75.0°F 79.5°F 75.0°F
Jun 30 75.8°F 81.0°F 75.0°F

Sea water temperature in Osaka by month

In Osaka, the months July through October offer comfortable swimming conditions, which amounts to 116 swimming days. The warmest water in Osaka was recorded on September 1, 2025, reaching a 87.0°F. While the coldest temperature occurred on February 15, 2025, dipping to 42.4°F. The average readings by season are 54.9°F in Winter, 58.6°F in Spring, 78.3°F in Summer, and 73.6°F in Autumn. The average temperature in June is slightly warmer than May's average of 64.9°F. And in July, the temperature is expected to rise further, potentially reaching an average of 80.1°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Amagasaki 57.0°F 5mi
Sakai 56.8°F 8mi
Nishinomiya-hama 57.0°F 10mi
Kobe 57.1°F 18mi
Kyoto 53.9°F 27mi
Ōtsu 53.9°F 30mi
Himeji 55.6°F 46mi
Maizuru 58.0°F 53mi
Tokushima 57.8°F 69mi

* current water temperature in this city

** straight line distance from Osaka