What is the current water temperature in Niihama?

Q: What is the current water temperature in Niihama?

As of now, in Niihama, the water temperature is 21.75°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

Japan > Niihama

Water temperature in Niihama

Detailed information about the current water temperature in Niihama. 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.

71.2

°F

June 8, 17:50

Trend:

stable

Yesterday:

71.8°F

Tomorrow:

71.5°F

Sunrise:

04:55

Sunset:

19:16

Day Length:

14 h. 21 min.

Niihama in June

Minimum:

54.5°F

Average:

56.3°F

Maximum:

58.2°F

Sea water temperature in Niihama today

As of now, in Niihama, the water temperature is 71.2°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 1.1°F higher 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 rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 72.4°F on 2020, while the historical minimum was 68.6°F on 2023.

latest data

last year

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 suggests a gradual increase. The average temperature is expected to rise up to 72.1°F, with minimum temperature starting at 71.5°F, while the maximum might reach 72.6°F.

Daily water temperature in Niihama

Date	Current Year actual* / forecast**	last year	10 years average
May 25	67.5°F	66.7°F	67.5°F
May 26	67.4°F	66.4°F	67.7°F
May 27	67.6°F	66.5°F	67.8°F
May 28	67.8°F	66.7°F	68.0°F
May 29	69.2°F	66.8°F	68.3°F
May 30	72.3°F	66.8°F	68.6°F
May 31	72.2°F	67.6°F	69.0°F
Jun 1	72.9°F	66.5°F	68.7°F
Jun 2	73.1°F	67.1°F	68.9°F
Jun 3	73.0°F	67.3°F	69.6°F
Jun 4	71.9°F	67.1°F	69.7°F
Jun 5	72.0°F	67.7°F	70.0°F
Jun 6	71.7°F	68.8°F	70.3°F
Jun 7	71.8°F	69.2°F	70.4°F
Jun 8	71.2°F	69.4°F	70.0°F
Jun 9	71.5°F	69.4°F	70.4°F
Jun 10	71.9°F	69.5°F	70.7°F
Jun 11	72.2°F	69.5°F	71.0°F
Jun 12	72.1°F	69.6°F	71.0°F
Jun 13	72.2°F	69.6°F	71.1°F
Jun 14	72.4°F	69.7°F	71.3°F
Jun 15	72.6°F	69.8°F	71.5°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 Niihama by month

In Niihama, the months July through October offer comfortable swimming conditions, which amounts to 124 swimming days.

The warmest water in Niihama was recorded on August 3, 2024, reaching a 88.8°F. While the coldest temperature occurred on February 26, 2022, dipping to 48.0°F. The average readings by season are 55.9°F in Winter, 58.7°F in Spring, 78.8°F in Summer, and 75.1°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Saijō	70.8°F	8mi
Matsuyama	65.8°F	32mi
Marugame	69.3°F	35mi
Fukuyama	69.8°F	36mi
Takamatsu	67.9°F	50mi
Kurashiki	69.0°F	50mi
Hiroshima	68.1°F	58mi
Okayama	68.9°F	60mi

* current water temperature in this city

** straight line distance from Niihama