What is the current water temperature in Niihama?

As of now, in Niihama, the water temperature is 27.06°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.

80.7

°F

June 30, 20:13

Trend:

increasing

Yesterday:

79.9°F

Tomorrow:

81.0°F

Sunrise:

04:58

Sunset:

19:22

Day Length:

14 h. 24 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 80.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 5.3°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 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 80.0°F on 2022, while the historical minimum was 71.9°F on 2015.

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 82.2°F, with minimum temperature starting at 81.0°F, while the maximum might reach 83.3°F.

Daily water temperature in Niihama

Date	Current Year actual* / forecast**	last year	10 years average
Jun 16	70.0°F	74.1°F	71.8°F
Jun 17	71.9°F	74.4°F	72.2°F
Jun 18	74.9°F	74.4°F	72.5°F
Jun 19	74.6°F	73.4°F	72.5°F
Jun 20	75.8°F	73.4°F	72.7°F
Jun 21	75.4°F	73.3°F	72.7°F
Jun 22	73.9°F	73.7°F	73.1°F
Jun 23	74.0°F	73.7°F	73.2°F
Jun 24	73.9°F	73.5°F	73.7°F
Jun 25	73.9°F	73.5°F	73.7°F
Jun 26	76.3°F	73.5°F	74.1°F
Jun 27	77.1°F	73.6°F	74.3°F
Jun 28	77.3°F	73.5°F	74.4°F
Jun 29	79.9°F	73.6°F	75.2°F
Jun 30	80.7°F	73.9°F	75.4°F
Jul 1	81.0°F	74.1°F	75.7°F
Jul 2	81.4°F	75.0°F	76.1°F
Jul 3	81.8°F	76.1°F	76.5°F
Jul 4	82.3°F	79.2°F	77.0°F
Jul 5	82.5°F	78.2°F	77.2°F
Jul 6	83.1°F	80.6°F	77.8°F
Jul 7	83.3°F	80.4°F	78.0°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	80.5°F	8mi
Matsuyama	72.4°F	32mi
Marugame	72.8°F	35mi
Fukuyama	77.6°F	36mi
Takamatsu	74.7°F	50mi
Kurashiki	76.1°F	50mi
Hiroshima	78.7°F	58mi
Okayama	77.5°F	60mi

* current water temperature in this city

** straight line distance from Niihama