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

85.4

°F

July 23, 03:21

Trend:

increasing

Yesterday:

85.2°F

Tomorrow:

85.9°F

Sunrise:

05:08

Sunset:

19:18

Day Length:

14 h. 10 min.

Yonago in July

Minimum:

57.1°F

Average:

58.4°F

Maximum:

59.7°F

Sea water temperature in Yonago today

As of now, in Yonago, the water temperature is 85.4°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 5.0°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 83.8°F on 2018, while the historical minimum was 76.9°F on 2019.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 86.9°F, with minimum temperature starting at 85.9°F, while the maximum might reach 87.9°F.

Daily water temperature in Yonago

Date Current Year

actual* / forecast**

last year 10 years average
Jul 9 78.5°F 81.6°F 77.1°F
Jul 10 79.0°F 83.0°F 77.7°F
Jul 11 79.1°F 82.7°F 77.6°F
Jul 12 80.3°F 81.9°F 77.7°F
Jul 13 79.4°F 81.8°F 77.7°F
Jul 14 80.4°F 82.1°F 77.9°F
Jul 15 80.9°F 80.8°F 78.0°F
Jul 16 80.1°F 81.4°F 78.4°F
Jul 17 80.4°F 81.3°F 78.6°F
Jul 18 80.0°F 81.3°F 78.8°F
Jul 19 81.1°F 81.6°F 79.1°F
Jul 20 83.5°F 81.4°F 79.7°F
Jul 21 84.7°F 81.7°F 80.2°F
Jul 22 85.2°F 82.8°F 80.1°F
Jul 23 85.4°F 83.2°F 80.3°F
Jul 24 85.9°F 83.9°F 80.9°F
Jul 25 86.2°F 84.1°F 81.2°F
Jul 26 86.5°F 84.6°F 81.4°F
Jul 27 86.9°F 84.8°F 81.9°F
Jul 28 87.3°F 84.1°F 82.2°F
Jul 29 87.8°F 84.1°F 82.8°F
Jul 30 87.9°F 84.9°F 82.9°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 57.8°F in Winter, 58.6°F in Spring, 77.6°F in Summer, and 72.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kurashiki 82.7°F 64mi
Okayama 83.0°F 64mi
Fukuyama 82.6°F 66mi

* current water temperature in this city

** straight line distance from Yonago