All data are in degrees Fahrenheit

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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

66.4

°F

June 2, 00:37

Trend:

increasing

Yesterday:

66.1°F

Tomorrow:

66.7°F

Sunrise:

04:57

Sunset:

19:13

Day Length:

14 h. 16 min.

Saijō in June

Minimum:

56.0°F

Average:

57.6°F

Maximum:

59.0°F

Sea water temperature in Saijō today

As of now, in Saijō, the water temperature is 66.4°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 2.2°F lower 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 minimum temperature for this date. The maximum temperature recorded for this date was 70.3°F on 2015, while the historical minimum was 66.6°F on 2023.

Over the last two weeks, the water temperature has stayed slightly lower 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 67.0°F, with minimum temperature starting at 66.5°F, while the maximum might reach 67.7°F.

Daily water temperature in Saijō

Date Current Year

actual* / forecast**

last year 10 years average
May 19 63.8°F 64.3°F 64.4°F
May 20 64.1°F 64.6°F 64.5°F
May 21 64.1°F 65.0°F 64.8°F
May 22 64.2°F 65.2°F 65.0°F
May 23 64.9°F 65.1°F 65.7°F
May 24 65.1°F 65.9°F 66.1°F
May 25 65.3°F 65.9°F 66.9°F
May 26 65.2°F 65.9°F 67.0°F
May 27 65.4°F 65.9°F 67.2°F
May 28 65.1°F 66.1°F 67.5°F
May 29 65.4°F 66.9°F 67.7°F
May 30 65.6°F 64.5°F 67.7°F
May 31 69.0°F 65.0°F 68.2°F
Jun 1 66.1°F 67.1°F 68.3°F
Jun 2 66.4°F 67.6°F 68.6°F
Jun 3 66.7°F 67.7°F 68.9°F
Jun 4 66.5°F 67.6°F 68.7°F
Jun 5 66.8°F 67.5°F 68.9°F
Jun 6 67.0°F 68.2°F 69.2°F
Jun 7 67.2°F 68.8°F 69.4°F
Jun 8 67.1°F 68.9°F 69.2°F
Jun 9 67.7°F 68.9°F 69.9°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 Saijō by month

In Saijō, the months July through October offer comfortable swimming conditions, which amounts to 120 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 57.1°F in Winter, 58.8°F in Spring, 77.8°F in Summer, and 74.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Niihama 67.0°F 8mi
Matsuyama 61.4°F 25mi
Fukuyama 64.9°F 41mi
Marugame 65.1°F 43mi
Hiroshima 62.7°F 54mi
Kurashiki 65.7°F 57mi
Takamatsu 64.9°F 57mi
Iwakuni 64.5°F 58mi
Okayama 67.0°F 66mi

* current water temperature in this city

** straight line distance from Saijō