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Hiroshima in July

Find out everything about the water temperature in Hiroshima 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:

70.7 °F

Average:

77.5 °F

Maximum:

85.9 °F

Sea water temperature in Hiroshima in July

In the city of Hiroshima, the month of July is a great time for swimming. The minimum recorded temperature during this month was 70.7°F on July 1, 2015, with an average temperature being 77.5°F and a maximum temperature reaching 85.9°F on July 31, 2024.

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 75.3°F at the beginning of the month, it steadily increases to around 80.0°F by the end.
Date 10 years average 2024 2023
Jul 1 73.6°F 73.1°F 74.3°F
Jul 2 73.9°F 73.9°F 74.3°F
Jul 3 74.7°F 76.0°F 74.9°F
Jul 4 75.0°F 75.6°F 74.4°F
Jul 5 75.4°F 76.6°F 74.9°F
Jul 6 76.0°F 78.8°F 74.1°F
Jul 7 75.9°F 79.6°F 74.2°F
Jul 8 76.0°F 79.3°F 74.3°F
Jul 9 76.2°F 80.6°F 74.4°F
Jul 10 76.2°F 80.2°F 74.4°F
Jul 11 76.3°F 79.6°F 74.6°F
Jul 12 76.2°F 79.3°F 74.9°F
Jul 13 76.3°F 79.0°F 74.5°F
Jul 14 76.6°F 79.0°F 74.9°F
Jul 15 76.7°F 78.7°F 74.9°F
Jul 16 76.9°F 78.6°F 75.2°F
Jul 17 77.1°F 78.2°F 77.1°F
Jul 18 77.3°F 77.8°F 78.6°F
Jul 19 77.4°F 78.4°F 78.8°F
Jul 20 78.1°F 81.1°F 78.2°F
Jul 21 78.7°F 81.8°F 78.4°F
Jul 22 79.2°F 83.1°F 79.6°F
Jul 23 78.9°F 81.9°F 80.1°F
Jul 24 79.0°F 81.6°F 80.2°F
Jul 25 79.3°F 83.3°F 78.4°F
Jul 26 80.0°F 83.0°F 80.6°F
Jul 27 80.6°F 82.7°F 82.7°F
Jul 28 81.0°F 83.9°F 84.0°F
Jul 29 81.1°F 84.3°F 83.0°F
Jul 30 81.5°F 84.9°F 85.5°F
Jul 31 81.4°F 85.9°F 81.7°F

Sea water temperature in Hiroshima by month

In Hiroshima, the months July through October offer comfortable swimming conditions, which amounts to 110 swimming days. The warmest water in Hiroshima was recorded on August 3, 2024, reaching a 86.4°F. While the coldest temperature occurred on February 20, 2018, dipping to 49.3°F. The average readings by season are 56.9°F in Winter, 58.1°F in Spring, 76.1°F in Summer, and 73.3°F in Autumn. The average temperature in July is slightly warmer than June's average of 69.7°F. And in August, the temperature is expected to rise further, potentially reaching an average of 81.3°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Iwakuni 60.0°F 21mi
Matsuyama 61.1°F 43mi
Fukuyama 56.2°F 53mi
Saijō 59.7°F 54mi
Niihama 58.2°F 58mi

* current water temperature in this city

** straight line distance from Hiroshima