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Niihama in July

Find out everything about the water temperature in Niihama 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:

73.5 °F

Average:

80.3 °F

Maximum:

86.7 °F

Sea water temperature in Niihama in July

In the city of Niihama, the month of July is a great time for swimming. The minimum recorded temperature during this month was 73.5°F on July 1, 2016, with an average temperature being 80.3°F and a maximum temperature reaching 86.7°F on July 27, 2018.

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 78.2°F at the beginning of the month, it steadily increases to around 82.7°F by the end.
Date 10 years average 2025 2024
Jul 1 76.7°F 82.6°F 74.1°F
Jul 2 77.1°F 82.8°F 75.0°F
Jul 3 77.4°F 81.9°F 76.1°F
Jul 4 78.0°F 84.1°F 79.2°F
Jul 5 78.1°F 83.0°F 78.2°F
Jul 6 78.7°F 83.3°F 80.6°F
Jul 7 78.7°F 81.6°F 80.4°F
Jul 8 79.1°F 84.3°F 81.7°F
Jul 9 78.8°F 82.9°F 81.0°F
Jul 10 79.0°F 84.3°F 80.9°F
Jul 11 79.2°F 84.4°F 80.6°F
Jul 12 79.2°F 83.5°F 80.3°F
Jul 13 79.3°F 83.6°F 80.3°F
Jul 14 79.8°F 83.2°F 80.4°F
Jul 15 79.9°F 81.7°F 80.4°F
Jul 16 80.2°F 79.9°F 80.6°F
Jul 17 80.2°F 79.8°F 80.4°F
Jul 18 80.3°F 79.8°F 82.1°F
Jul 19 80.4°F 79.4°F 81.6°F
Jul 20 81.2°F 80.5°F 83.8°F
Jul 21 81.4°F 81.8°F 83.1°F
Jul 22 82.1°F 82.9°F 85.6°F
Jul 23 82.0°F 84.6°F 84.6°F
Jul 24 82.4°F 84.7°F 85.7°F
Jul 25 82.3°F 83.9°F 85.1°F
Jul 26 82.7°F 84.2°F 85.9°F
Jul 27 82.8°F 84.0°F 84.4°F
Jul 28 83.2°F 82.2°F 85.5°F
Jul 29 83.7°F 83.2°F 86.4°F
Jul 30 83.4°F 83.6°F 85.2°F
Jul 31 83.6°F 84.2°F 85.7°F

Sea water temperature in Niihama by month

In Niihama, the months July through October offer comfortable swimming conditions, which amounts to 124 swimming days. The warmest water in Niihama was recorded on August 3, 2024, reaching a 88.8°F. While the coldest temperature occurred on February 26, 2022, dipping to 48.0°F. The average readings by season are 55.9°F in Winter, 58.6°F in Spring, 78.8°F in Summer, and 75.1°F in Autumn. The average temperature in July is slightly warmer than June's average of 71.9°F. And in August, the temperature is expected to rise further, potentially reaching an average of 84.2°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Saijō 57.3°F 8mi
Matsuyama 57.8°F 32mi
Marugame 54.8°F 35mi
Fukuyama 53.9°F 36mi
Takamatsu 53.9°F 50mi
Kurashiki 54.9°F 50mi
Hiroshima 57.7°F 58mi
Okayama 53.1°F 60mi

* current water temperature in this city

** straight line distance from Niihama