All data are in degrees Fahrenheit

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Japan > Saijō

Water temperature in Saijō

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

85.2

°F

July 22, 09:13

Trend:

stable

Yesterday:

84.4°F

Tomorrow:

84.9°F

Sunrise:

05:11

Sunset:

19:16

Day Length:

14 h. 5 min.

Saijō in July

Minimum:

55.9°F

Average:

57.5°F

Maximum:

58.6°F

Sea water temperature in Saijō today

As of now, in Saijō, the water temperature is 85.2°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 4.0°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 fall 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 2024, while the historical minimum was 78.6°F on 2019.

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 suggests a gradual increase. The average temperature is expected to rise up to 85.9°F, with minimum temperature starting at 84.9°F, while the maximum might reach 87.2°F.

Daily water temperature in Saijō

Date Current Year

actual* / forecast**

 last year 10 years average
Jul 8 72.4°F 84.5°F 78.0°F
Jul 9 74.7°F 82.0°F 77.7°F
Jul 10 77.3°F 82.8°F 78.3°F
Jul 11 78.6°F 82.1°F 78.3°F
Jul 12 78.1°F 81.7°F 78.4°F
Jul 13 78.0°F 81.6°F 78.6°F
Jul 14 80.6°F 81.7°F 79.2°F
Jul 15 80.8°F 80.7°F 79.3°F
Jul 16 81.1°F 78.1°F 79.5°F
Jul 17 83.1°F 79.4°F 80.0°F
Jul 18 82.2°F 79.4°F 80.0°F
Jul 19 83.1°F 79.0°F 80.2°F
Jul 20 85.0°F 79.9°F 80.9°F
Jul 21 84.4°F 80.7°F 80.4°F
Jul 22 85.2°F 82.9°F 81.2°F
Jul 23 84.9°F 83.9°F 80.9°F
Jul 24 85.5°F 84.4°F 81.5°F
Jul 25 85.3°F 82.9°F 81.3°F
Jul 26 85.8°F 84.3°F 81.9°F
Jul 27 86.2°F 84.0°F 82.2°F
Jul 28 86.7°F 83.3°F 82.7°F
Jul 29 87.2°F 82.9°F 83.2°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 Saijō by month

January

February

March

April

May

June

July

August

September

October

November

December

In Saijō, the months July through October offer comfortable swimming conditions, which amounts to 121 swimming days.
The warmest water in Saijō was recorded on August 1, 2024, reaching a 87.8°F. While the coldest temperature occurred on March 9, 2025, dipping to 49.4°F. The average readings by season are 57.0°F in Winter, 58.8°F in Spring, 78.2°F in Summer, and 74.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Niihama 87.0°F 8mi
Matsuyama 75.7°F 25mi
Fukuyama 82.9°F 41mi
Marugame 81.8°F 43mi
Hiroshima 83.1°F 54mi
Kurashiki 81.8°F 57mi
Takamatsu 79.2°F 57mi
Iwakuni 81.2°F 58mi
Okayama 82.6°F 66mi

* current water temperature in this city

** straight line distance from Saijō