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Iwakuni in June

Find out everything about the water temperature in Iwakuni 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:

64.7 °F

Average:

69.5 °F

Maximum:

74.8 °F

Sea water temperature in Iwakuni in June

In the city of Iwakuni, the month of June is somewhat comfortable for swimming. The minimum recorded temperature during this month was 64.7°F on June 7, 2023, with an average temperature being 69.5°F and a maximum temperature reaching 74.8°F on June 30, 2021.

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 67.3°F at the beginning of the month, it steadily increases to around 71.8°F by the end.
Date 10 years average 2024 2023
Jun 1 66.8°F 64.7°F 66.2°F
Jun 2 66.9°F 66.6°F 66.5°F
Jun 3 67.3°F 66.7°F 65.6°F
Jun 4 67.4°F 66.8°F 66.3°F
Jun 5 67.4°F 67.0°F 66.3°F
Jun 6 67.2°F 65.9°F 66.6°F
Jun 7 67.2°F 66.6°F 64.7°F
Jun 8 67.2°F 67.2°F 65.4°F
Jun 9 67.7°F 67.4°F 65.8°F
Jun 10 68.1°F 67.5°F 64.9°F
Jun 11 68.3°F 67.7°F 65.4°F
Jun 12 68.6°F 69.3°F 65.8°F
Jun 13 68.8°F 69.0°F 66.4°F
Jun 14 69.1°F 71.0°F 66.7°F
Jun 15 69.5°F 71.9°F 67.0°F
Jun 16 69.8°F 71.3°F 69.3°F
Jun 17 70.2°F 72.9°F 70.6°F
Jun 18 70.2°F 72.9°F 70.8°F
Jun 19 70.4°F 72.2°F 70.9°F
Jun 20 70.7°F 72.2°F 71.3°F
Jun 21 70.9°F 72.2°F 71.5°F
Jun 22 71.3°F 73.6°F 71.5°F
Jun 23 71.4°F 73.3°F 71.4°F
Jun 24 71.7°F 73.0°F 72.4°F
Jun 25 71.8°F 72.8°F 72.2°F
Jun 26 71.8°F 72.8°F 72.2°F
Jun 27 71.8°F 72.6°F 72.1°F
Jun 28 72.0°F 72.4°F 73.9°F
Jun 29 72.3°F 72.4°F 73.6°F
Jun 30 72.9°F 73.0°F 74.0°F

Sea water temperature in Iwakuni by month

In Iwakuni, the months July through October offer comfortable swimming conditions, which amounts to 110 swimming days. The warmest water in Iwakuni was recorded on August 9, 2024, reaching a 86.1°F. While the coldest temperature occurred on February 16, 2018, dipping to 48.6°F. The average readings by season are 56.6°F in Winter, 57.8°F in Spring, 76.0°F in Summer, and 73.3°F in Autumn. The average temperature in June is slightly warmer than May's average of 63.0°F. And in July, the temperature is expected to rise further, potentially reaching an average of 77.3°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Hiroshima 68.3°F 21mi
Matsuyama 69.4°F 38mi
Saijō 66.8°F 58mi
Ōita 70.3°F 73mi
Beppu 69.9°F 74mi

* current water temperature in this city

** straight line distance from Iwakuni