What is the current water temperature in Niihama?

As of now, in Niihama, the water temperature is 27.86°C. It's safe to say that the water is comfortably warm for various water-related activities.

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.

82.1

°F

July 16, 09:49

Trend:

stable

Yesterday:

81.7°F

Tomorrow:

82.1°F

Sunrise:

05:07

Sunset:

19:18

Day Length:

14 h. 11 min.

Niihama in July

Minimum:

54.0°F

Average:

56.0°F

Maximum:

57.8°F

Sea water temperature in Niihama today

As of now, in Niihama, the water temperature is 82.1°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.3°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 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 maximum temperature for this date. The maximum temperature recorded for this date was 82.7°F on 2018, while the historical minimum was 77.0°F on 2019.

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 82.9°F, with minimum temperature starting at 82.1°F, while the maximum might reach 83.8°F.

Daily water temperature in Niihama

Date	Current Year actual* / forecast**	last year	10 years average
Jul 2	82.8°F	75.0°F	76.7°F
Jul 3	81.9°F	76.1°F	77.0°F
Jul 4	84.1°F	79.2°F	77.6°F
Jul 5	83.0°F	78.2°F	77.7°F
Jul 6	83.3°F	80.6°F	78.3°F
Jul 7	81.6°F	80.4°F	78.3°F
Jul 8	84.3°F	81.7°F	78.6°F
Jul 9	82.9°F	81.0°F	78.4°F
Jul 10	84.3°F	80.9°F	78.6°F
Jul 11	84.4°F	80.6°F	78.9°F
Jul 12	83.5°F	80.3°F	78.8°F
Jul 13	83.6°F	80.3°F	79.0°F
Jul 14	83.2°F	80.4°F	79.6°F
Jul 15	81.7°F	80.4°F	79.5°F
Jul 16	82.1°F	80.6°F	79.9°F
Jul 17	82.1°F	80.4°F	79.8°F
Jul 18	82.2°F	82.1°F	80.0°F
Jul 19	82.3°F	81.6°F	80.1°F
Jul 20	83.0°F	83.8°F	80.8°F
Jul 21	83.2°F	83.1°F	80.9°F
Jul 22	83.8°F	85.6°F	81.5°F
Jul 23	83.5°F	84.6°F	81.3°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 122 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 56.1°F in Winter, 58.7°F in Spring, 78.5°F in Summer, and 74.7°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Saijō	81.2°F	8mi
Matsuyama	74.9°F	32mi
Marugame	76.3°F	35mi
Fukuyama	79.6°F	36mi
Takamatsu	76.1°F	50mi
Kurashiki	75.7°F	50mi
Hiroshima	79.1°F	58mi
Okayama	81.3°F	60mi

* current water temperature in this city

** straight line distance from Niihama