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Matsuyama in July

Find out everything about the water temperature in Matsuyama 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:

69.2 °F

Average:

74.7 °F

Maximum:

82.5 °F

Sea water temperature in Matsuyama in July

In the city of Matsuyama, the month of July is a great time for swimming. The minimum recorded temperature during this month was 69.2°F on July 1, 2021, with an average temperature being 74.7°F and a maximum temperature reaching 82.5°F on July 28, 2026.

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 72.7°F at the beginning of the month, it steadily increases to around 76.5°F by the end.
Date 10 years average 2026 2025
Jul 1 71.2°F 71.1°F 71.0°F
Jul 2 71.6°F 71.1°F 73.1°F
Jul 3 71.7°F 69.5°F 73.3°F
Jul 4 72.0°F 69.6°F 74.2°F
Jul 5 72.4°F 70.6°F 75.0°F
Jul 6 73.1°F 71.0°F 76.7°F
Jul 7 73.3°F 70.9°F 76.3°F
Jul 8 73.8°F 71.0°F 77.9°F
Jul 9 73.8°F 71.8°F 77.9°F
Jul 10 74.0°F 72.1°F 77.1°F
Jul 11 74.4°F 74.0°F 78.0°F
Jul 12 74.5°F 75.6°F 77.0°F
Jul 13 74.5°F 75.8°F 77.1°F
Jul 14 75.0°F 78.0°F 77.0°F
Jul 15 74.7°F 78.3°F 74.6°F
Jul 16 74.8°F 78.6°F 72.9°F
Jul 17 74.3°F 76.9°F 73.2°F
Jul 18 74.3°F 77.2°F 73.4°F
Jul 19 74.6°F 78.0°F 74.3°F
Jul 20 75.2°F 77.1°F 75.4°F
Jul 21 75.1°F 75.2°F 74.5°F
Jul 22 75.5°F 75.5°F 75.6°F
Jul 23 75.9°F 77.7°F 76.5°F
Jul 24 75.9°F 79.6°F 75.2°F
Jul 25 76.6°F 80.8°F 76.6°F
Jul 26 76.7°F 80.9°F 76.2°F
Jul 27 76.6°F 80.7°F 76.6°F
Jul 28 77.1°F 82.5°F 73.8°F
Jul 29 77.6°F 82.3°F 74.0°F
Jul 30 77.3°F 81.0°F 73.9°F
Jul 31 77.6°F 80.2°F 73.9°F

Sea water temperature in Matsuyama by month

In Matsuyama, the months July through October offer comfortable swimming conditions, which amounts to 107 swimming days. The warmest water in Matsuyama was recorded on July 28, 2026, reaching a 82.5°F. While the coldest temperature occurred on March 5, 2022, dipping to 50.0°F. The average readings by season are 57.8°F in Winter, 57.0°F in Spring, 73.3°F in Summer, and 73.4°F in Autumn. The average temperature in July is slightly warmer than June's average of 67.1°F. And in August, the temperature is expected to rise further, potentially reaching an average of 78.3°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Saijō 85.2°F 25mi
Niihama 86.0°F 32mi
Iwakuni 84.4°F 38mi
Hiroshima 83.8°F 43mi
Fukuyama 85.7°F 56mi

* current water temperature in this city

** straight line distance from Matsuyama