All data are in degrees Fahrenheit

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Water temperature in Kumamoto

Detailed information about the current water temperature in Kumamoto. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Kumamoto now

65.3

°F

May 9, 21:32

Trend:

stable

Yesterday:

65.1°F

Tomorrow:

65.1°F

Sunrise:

05:24

Sunset:

19:04

Day Length:

13 h. 40 min.

Kumamoto in May

Minimum:

54.5°F

Average:

58.2°F

Maximum:

61.8°F

Sea water temperature in Kumamoto today

As of now, in Kumamoto, the water temperature is 65.3°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.3°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 69.2°F on 2021, while the historical minimum was 64.9°F on 2015.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 65.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Kumamoto

Date Current Year

actual* / forecast**

last year 10 years average
Apr 25 63.4°F 64.5°F 63.5°F
Apr 26 64.6°F 65.4°F 64.0°F
Apr 27 64.2°F 65.3°F 63.9°F
Apr 28 63.8°F 64.0°F 63.7°F
Apr 29 63.9°F 63.8°F 63.9°F
Apr 30 64.7°F 64.7°F 63.9°F
May 1 64.3°F 64.5°F 64.0°F
May 2 64.9°F 64.4°F 64.4°F
May 3 64.7°F 64.4°F 64.3°F
May 4 64.4°F 67.2°F 64.7°F
May 5 65.6°F 66.9°F 65.2°F
May 6 65.8°F 67.0°F 65.5°F
May 7 65.8°F 67.1°F 65.9°F
May 8 65.1°F 67.3°F 66.3°F
May 9 65.3°F 66.2°F 66.6°F
May 10 65.1°F 65.9°F 66.4°F
May 11 65.0°F 65.8°F 66.3°F
May 12 65.3°F 66.1°F 66.6°F
May 13 65.3°F 66.1°F 66.6°F
May 14 65.2°F 66.0°F 66.5°F
May 15 65.8°F 67.3°F 67.1°F
May 16 66.1°F 68.1°F 67.4°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Kumamoto by month

In Kumamoto, the months July through October offer comfortable swimming conditions, which amounts to 126 swimming days.
The warmest water in Kumamoto was recorded on August 2, 2024, reaching a 89.5°F. While the coldest temperature occurred on February 24, 2018, dipping to 49.7°F. The average readings by season are 58.1°F in Winter, 62.0°F in Spring, 79.0°F in Summer, and 74.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Nagasaki 64.5°F 47mi
Beppu 60.7°F 57mi
Fukuoka 63.1°F 57mi
Ōita 60.0°F 60mi

* current water temperature in this city

** straight line distance from Kumamoto