All data are in degrees Fahrenheit

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Water temperature in Iwakuni

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

59.8

°F

December 22, 14:52

Trend:

decreasing

Yesterday:

59.9°F

Tomorrow:

59.5°F

Sunrise:

07:14

Sunset:

17:06

Day Length:

9 h. 52 min.

Iwakuni in December

Minimum:

53.9°F

Average:

55.6°F

Maximum:

56.9°F

Sea water temperature in Iwakuni today

As of now, in Iwakuni, the water temperature is 59.8°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 about the same as 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

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 61.1°F on 2019, while the historical minimum was 58.0°F on 2014.

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 maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 58.8°F, the minimum temperature may reach 58.3°F, and the maximum might stay at 59.5°F.

Daily water temperature in Iwakuni

Date Current Year

actual* / forecast**

last year 10 years average
Dec 8 63.6°F 63.6°F 63.1°F
Dec 9 63.6°F 63.4°F 63.0°F
Dec 10 62.8°F 62.4°F 62.6°F
Dec 11 63.4°F 62.9°F 62.5°F
Dec 12 63.0°F 62.9°F 62.5°F
Dec 13 62.9°F 63.1°F 62.1°F
Dec 14 61.9°F 63.5°F 61.9°F
Dec 15 61.6°F 63.1°F 61.6°F
Dec 16 61.7°F 62.7°F 61.4°F
Dec 17 61.3°F 62.1°F 61.0°F
Dec 18 61.3°F 61.6°F 60.7°F
Dec 19 60.4°F 61.5°F 60.4°F
Dec 20 60.4°F 61.2°F 60.0°F
Dec 21 59.9°F 60.9°F 60.0°F
Dec 22 59.8°F 61.0°F 59.8°F
Dec 23 59.5°F 60.1°F 59.6°F
Dec 24 59.1°F 59.8°F 59.2°F
Dec 25 58.9°F 59.8°F 59.0°F
Dec 26 58.8°F 59.7°F 58.9°F
Dec 27 58.5°F 59.6°F 58.6°F
Dec 28 58.4°F 59.1°F 58.5°F
Dec 29 58.3°F 59.1°F 58.4°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 Iwakuni by month

In Iwakuni, the months July through October offer comfortable swimming conditions, which amounts to 110 swimming days.
The warmest water in Iwakuni was recorded on August 9, 2024, reaching a 86.1°F. While the coldest temperature occurred on February 16, 2018, dipping to 48.6°F. The average readings by season are 56.7°F in Winter, 57.8°F in Spring, 76.0°F in Summer, and 73.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Hiroshima 59.5°F 21mi
Matsuyama 61.5°F 38mi
Saijō 59.6°F 58mi
Ōita 61.9°F 73mi
Beppu 61.7°F 74mi

* current water temperature in this city

** straight line distance from Iwakuni