All data are in degrees Fahrenheit

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Water temperature in Hiroshima

Detailed information about the current water temperature in Hiroshima. 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 Hiroshima now

52.5

°F

January 31, 08:37

Trend:

decreasing

Yesterday:

52.6°F

Tomorrow:

52.4°F

Sunrise:

07:09

Sunset:

17:38

Day Length:

10 h. 29 min.

Hiroshima in February

Minimum:

55.8°F

Average:

58.1°F

Maximum:

59.7°F

Sea water temperature in Hiroshima today

As of now, in Hiroshima, the water temperature is 52.5°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.5°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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 56.4°F on 2020, while the historical minimum was 52.4°F on 2018.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 52.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Hiroshima

Date Current Year

actual* / forecast**

last year 10 years average
Jan 17 56.5°F 57.1°F 56.6°F
Jan 18 56.6°F 57.4°F 56.6°F
Jan 19 56.8°F 57.6°F 56.6°F
Jan 20 56.7°F 57.5°F 56.4°F
Jan 21 56.1°F 57.4°F 55.9°F
Jan 22 54.6°F 57.1°F 55.7°F
Jan 23 54.7°F 57.1°F 55.7°F
Jan 24 54.6°F 56.5°F 55.5°F
Jan 25 54.8°F 56.4°F 55.2°F
Jan 26 53.8°F 56.1°F 54.8°F
Jan 27 53.9°F 56.1°F 54.7°F
Jan 28 53.9°F 55.9°F 54.3°F
Jan 29 52.4°F 55.6°F 54.1°F
Jan 30 52.6°F 54.8°F 54.1°F
Jan 31 52.5°F 54.9°F 54.0°F
Feb 1 52.4°F 54.8°F 53.9°F
Feb 2 52.3°F 54.9°F 53.8°F
Feb 3 52.4°F 55.1°F 54.0°F
Feb 4 52.4°F 55.2°F 54.0°F
Feb 5 52.5°F 55.4°F 54.0°F
Feb 6 52.3°F 55.4°F 53.9°F
Feb 7 52.1°F 55.5°F 53.7°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 Hiroshima by month

In Hiroshima, the months July through October offer comfortable swimming conditions, which amounts to 112 swimming days.
The warmest water in Hiroshima was recorded on August 3, 2024, reaching a 86.4°F. While the coldest temperature occurred on February 20, 2018, dipping to 49.3°F. The average readings by season are 56.9°F in Winter, 58.2°F in Spring, 76.4°F in Summer, and 73.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Iwakuni 53.4°F 21mi
Matsuyama 53.7°F 43mi
Fukuyama 49.9°F 53mi
Saijō 51.9°F 54mi
Niihama 50.2°F 58mi

* current water temperature in this city

** straight line distance from Hiroshima