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Iwakuni in October

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

69.0 °F

Average:

73.9 °F

Maximum:

80.9 °F

Sea water temperature in Iwakuni in October

In the city of Iwakuni, the month of October is a great time for swimming. The minimum recorded temperature during this month was 69.0°F on October 31, 2015, with an average temperature being 73.9°F and a maximum temperature reaching 80.9°F on October 1, 2024.

The watter temperature range during this month provides a satisfying and enjoyable experience in the water. Throughout the month of October, the sea temperature gradually gets colder. Starting with an average temperature of 75.7°F at the beginning of the month, it steadily decreases to around 72.1°F by the end.
Date 10 years average 2024 2023
Oct 1 76.2°F 80.9°F 78.0°F
Oct 2 76.2°F 80.6°F 77.8°F
Oct 3 76.1°F 80.1°F 77.9°F
Oct 4 76.1°F 79.4°F 77.1°F
Oct 5 76.0°F 78.5°F 77.5°F
Oct 6 75.7°F 77.6°F 76.9°F
Oct 7 75.5°F 77.3°F 76.6°F
Oct 8 75.3°F 76.9°F 76.3°F
Oct 9 75.2°F 77.3°F 76.0°F
Oct 10 75.0°F 76.9°F 75.6°F
Oct 11 74.9°F 76.7°F 75.1°F
Oct 12 74.7°F 76.7°F 75.4°F
Oct 13 74.6°F 76.3°F 75.2°F
Oct 14 74.2°F 76.4°F 74.1°F
Oct 15 74.1°F 76.2°F 74.6°F
Oct 16 73.9°F 75.9°F 74.4°F
Oct 17 73.6°F 76.4°F 73.7°F
Oct 18 73.4°F 76.0°F 74.3°F
Oct 19 73.3°F 76.3°F 73.8°F
Oct 20 73.2°F 76.0°F 73.9°F
Oct 21 73.2°F 75.8°F 74.0°F
Oct 22 72.8°F 75.0°F 73.7°F
Oct 23 72.6°F 75.2°F 73.3°F
Oct 24 72.4°F 74.8°F 73.0°F
Oct 25 72.3°F 74.6°F 73.1°F
Oct 26 72.0°F 74.2°F 73.0°F
Oct 27 71.8°F 74.3°F 72.7°F
Oct 28 71.7°F 73.9°F 72.8°F
Oct 29 71.5°F 73.6°F 72.4°F
Oct 30 71.3°F 73.4°F 72.3°F
Oct 31 71.0°F 73.0°F 72.1°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. October's average temperature is a slight drop from September's average of 78.3°F. In November, the temperature is expected to decrease further, potentially averaging around 67.9°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