All data are in degrees Fahrenheit

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Water temperature in Yonago

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

60.4

°F

December 26, 20:05

Trend:

decreasing

Yesterday:

60.5°F

Tomorrow:

60.2°F

Sunrise:

07:14

Sunset:

17:00

Day Length:

9 h. 46 min.

Yonago in January

Minimum:

58.1°F

Average:

59.2°F

Maximum:

60.3°F

Sea water temperature in Yonago today

As of now, in Yonago, the water temperature is 60.4°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 aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 61.3°F on 2018, while the historical minimum was 59.4°F on 2017.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 59.7°F, the minimum temperature may reach 59.0°F, and the maximum might stay at 60.2°F.

Daily water temperature in Yonago

Date Current Year

actual* / forecast**

last year 10 years average
Jan 1 59.3°F 58.1°F 59.2°F
Jan 2 59.0°F 57.8°F 58.8°F
Dec 12 62.9°F 62.2°F 62.4°F
Dec 13 62.8°F 62.0°F 62.3°F
Dec 14 62.7°F 62.0°F 62.0°F
Dec 15 62.4°F 61.5°F 61.9°F
Dec 16 62.7°F 61.4°F 61.8°F
Dec 17 62.5°F 61.2°F 61.7°F
Dec 18 62.2°F 61.0°F 61.4°F
Dec 19 62.2°F 61.1°F 61.4°F
Dec 20 60.5°F 60.9°F 61.0°F
Dec 21 60.4°F 60.7°F 61.0°F
Dec 22 60.8°F 60.5°F 60.8°F
Dec 23 60.9°F 60.3°F 60.8°F
Dec 24 60.7°F 60.0°F 60.5°F
Dec 25 60.5°F 59.7°F 60.4°F
Dec 26 60.4°F 59.6°F 60.2°F
Dec 27 60.2°F 59.5°F 60.0°F
Dec 28 60.0°F 59.5°F 59.9°F
Dec 29 59.9°F 59.4°F 59.7°F
Dec 30 59.8°F 59.2°F 59.6°F
Dec 31 59.7°F 59.1°F 59.5°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 Yonago by month

In Yonago, the months July through September offer comfortable swimming conditions, which amounts to 106 swimming days.
The warmest water in Yonago was recorded on September 2, 2025, reaching a 86.9°F. While the coldest temperature occurred on March 1, 2025, dipping to 50.3°F. The average readings by season are 57.7°F in Winter, 58.4°F in Spring, 77.3°F in Summer, and 72.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kurashiki 56.3°F 64mi
Okayama 56.3°F 64mi
Fukuyama 55.7°F 66mi

* current water temperature in this city

** straight line distance from Yonago