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

54.5

°F

January 21, 07:38

Trend:

decreasing

Yesterday:

54.7°F

Tomorrow:

54.4°F

Sunrise:

07:14

Sunset:

17:23

Day Length:

10 h. 9 min.

Yonago in January

Minimum:

58.1°F

Average:

59.3°F

Maximum:

60.3°F

Sea water temperature in Yonago today

As of now, in Yonago, the water temperature is 54.5°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 2.2°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 58.2°F on 2020, while the historical minimum was 55.5°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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 53.9°F, the minimum temperature may reach 53.4°F, and the maximum might stay at 54.4°F.

Daily water temperature in Yonago

Date Current Year

actual* / forecast**

last year 10 years average
Jan 7 58.1°F 57.8°F 58.4°F
Jan 8 58.3°F 57.1°F 58.2°F
Jan 9 58.5°F 57.1°F 58.1°F
Jan 10 57.7°F 57.3°F 57.9°F
Jan 11 57.6°F 57.3°F 57.8°F
Jan 12 57.8°F 57.1°F 57.5°F
Jan 13 57.7°F 57.0°F 57.5°F
Jan 14 57.9°F 56.9°F 57.5°F
Jan 15 57.9°F 56.8°F 57.5°F
Jan 16 56.5°F 56.7°F 57.2°F
Jan 17 57.1°F 56.6°F 57.1°F
Jan 18 56.5°F 56.5°F 57.0°F
Jan 19 54.4°F 56.6°F 56.8°F
Jan 20 54.7°F 56.5°F 56.9°F
Jan 21 54.5°F 56.3°F 56.6°F
Jan 22 54.4°F 56.1°F 56.5°F
Jan 23 54.3°F 55.7°F 56.4°F
Jan 24 54.2°F 55.8°F 56.4°F
Jan 25 53.9°F 55.4°F 56.0°F
Jan 26 53.7°F 55.3°F 55.9°F
Jan 27 53.5°F 55.2°F 55.7°F
Jan 28 53.4°F 55.1°F 55.6°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 109 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 57.8°F in Winter, 58.5°F in Spring, 77.6°F in Summer, and 72.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kurashiki 53.7°F 64mi
Okayama 52.4°F 64mi
Fukuyama 55.3°F 66mi

* current water temperature in this city

** straight line distance from Yonago