All data are in degrees Fahrenheit

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Isumi in June

Find out everything about the water temperature in Isumi 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:

63.2 °F

Average:

69.2 °F

Maximum:

73.7 °F

Sea water temperature in Isumi in June

In the city of Isumi, the month of June is somewhat comfortable for swimming. The minimum recorded temperature during this month was 63.2°F on June 1, 2021, with an average temperature being 69.2°F and a maximum temperature reaching 73.7°F on June 29, 2020.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. In June, the sea temperature remains relatively stable. The average temperature stays close to 69.2°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Jun 1 68.2°F 67.6°F 67.5°F
Jun 2 68.3°F 65.2°F 67.9°F
Jun 3 68.1°F 66.1°F 68.0°F
Jun 4 67.9°F 66.6°F 65.3°F
Jun 5 68.1°F 67.1°F 66.3°F
Jun 6 68.2°F 69.2°F 66.9°F
Jun 7 68.1°F 69.3°F 67.3°F
Jun 8 68.1°F 69.4°F 67.3°F
Jun 9 68.2°F 69.9°F 67.7°F
Jun 10 68.6°F 70.0°F 68.0°F
Jun 11 69.0°F 69.7°F 68.2°F
Jun 12 69.0°F 68.7°F 68.4°F
Jun 13 69.1°F 70.8°F 68.0°F
Jun 14 68.8°F 67.8°F 68.8°F
Jun 15 68.5°F 64.5°F 67.9°F
Jun 16 68.8°F 66.0°F 69.9°F
Jun 17 68.5°F 68.1°F 69.4°F
Jun 18 69.0°F 68.6°F 68.4°F
Jun 19 69.0°F 68.9°F 67.1°F
Jun 20 69.5°F 69.4°F 71.6°F
Jun 21 69.7°F 69.4°F 70.1°F
Jun 22 69.7°F 67.5°F 70.7°F
Jun 23 70.1°F 68.0°F 71.0°F
Jun 24 70.7°F 70.9°F 70.7°F
Jun 25 70.3°F 68.9°F 70.1°F
Jun 26 71.0°F 70.3°F 71.7°F
Jun 27 70.8°F 70.8°F 72.5°F
Jun 28 71.1°F 71.0°F 71.3°F
Jun 29 71.5°F 71.2°F 72.4°F
Jun 30 71.5°F 68.8°F 72.0°F

Sea water temperature in Isumi by month

In Isumi, the months July through October offer comfortable swimming conditions, which amounts to 102 swimming days. The warmest water in Isumi was recorded on August 17, 2024, reaching a 82.8°F. While the coldest temperature occurred on February 18, 2018, dipping to 56.0°F. The average readings by season are 62.0°F in Winter, 62.0°F in Spring, 74.0°F in Summer, and 73.8°F in Autumn. The average temperature in June is slightly warmer than May's average of 65.0°F. And in July, the temperature is expected to rise further, potentially reaching an average of 74.3°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Katsuura 69.6°F 8mi
Ichihara 66.0°F 27mi
Kisarazu 66.1°F 29mi
Chiba 65.9°F 30mi
Kimitsu 66.0°F 31mi
Futtsu 66.1°F 34mi
Honchō 65.2°F 40mi
Yokosuka 67.5°F 42mi
Kawasaki 65.2°F 44mi
Yokohama 65.5°F 45mi

* current water temperature in this city

** straight line distance from Isumi