All data are in degrees Fahrenheit

en

Katsuura in May

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

59.9 °F

Average:

65.6 °F

Maximum:

72.2 °F

Sea water temperature in Katsuura in May

In the city of Katsuura, the month of May is somewhat too cool for swimming. The minimum recorded temperature during this month was 59.9°F on May 5, 2020, with an average temperature being 65.6°F and a maximum temperature reaching 72.2°F on May 31, 2018.

Most people would find such water temperature somewhat too cold for swimming. Throughout the month of May, the sea temperature gradually gets warmer. Starting with an average temperature of 63.8°F at the beginning of the month, it steadily increases to around 67.7°F by the end.
Date 10 years average 2025 2024
May 1 63.0°F 60.6°F 66.2°F
May 2 63.1°F 61.1°F 66.2°F
May 3 63.6°F 62.2°F 65.7°F
May 4 63.7°F 61.9°F 65.2°F
May 5 63.6°F 62.7°F 66.6°F
May 6 63.7°F 63.0°F 65.9°F
May 7 64.2°F 63.4°F 66.2°F
May 8 64.1°F 62.3°F 65.9°F
May 9 64.1°F 62.7°F 65.2°F
May 10 64.6°F 63.2°F 63.1°F
May 11 65.1°F 63.7°F 63.6°F
May 12 64.9°F 63.5°F 63.3°F
May 13 64.4°F 63.1°F 62.9°F
May 14 64.3°F 63.5°F 62.8°F
May 15 65.0°F 65.0°F 67.8°F
May 16 65.6°F 65.5°F 68.3°F
May 17 65.6°F 65.8°F 65.7°F
May 18 65.6°F 66.0°F 66.2°F
May 19 65.9°F 66.2°F 66.6°F
May 20 65.9°F 64.0°F 66.7°F
May 21 66.2°F 65.3°F 66.8°F
May 22 66.5°F 65.4°F 69.1°F
May 23 67.0°F 65.6°F 68.9°F
May 24 67.6°F 65.8°F 67.9°F
May 25 67.7°F 65.9°F 66.1°F
May 26 67.9°F 66.2°F 66.8°F
May 27 68.0°F 66.5°F 67.5°F
May 28 68.2°F 67.0°F 67.7°F
May 29 68.9°F 67.7°F 68.4°F
May 30 68.5°F 68.0°F 66.1°F
May 31 68.8°F 68.4°F 66.8°F

Sea water temperature in Katsuura by month

In Katsuura, the months July through October offer comfortable swimming conditions, which amounts to 112 swimming days. The warmest water in Katsuura was recorded on September 16, 2024, reaching a 83.3°F. While the coldest temperature occurred on April 16, 2025, dipping to 56.7°F. The average readings by season are 63.3°F in Winter, 62.8°F in Spring, 74.6°F in Summer, and 74.9°F in Autumn. The average temperature in May is slightly warmer than April's average of 62.0°F. And in June, the temperature is expected to rise further, potentially reaching an average of 69.8°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Isumi 68.2°F 8mi
Kisarazu 69.8°F 27mi
Ichihara 68.9°F 29mi
Kimitsu 69.9°F 29mi
Futtsu 69.9°F 30mi
Chiba 68.9°F 33mi
Yokosuka 69.8°F 38mi
Yokohama 69.9°F 42mi
Kawasaki 69.9°F 42mi
Honchō 69.7°F 43mi

* current water temperature in this city

** straight line distance from Katsuura