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 16.53°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

61.8

°F

December 3, 09:45

Trend:

decreasing

Yesterday:

62.4°F

Tomorrow:

61.4°F

Sunrise:

06:55

Sunset:

16:58

Day Length:

10 h. 3 min.

Niihama in December

Minimum:

51.4°F

Average:

55.1°F

Maximum:

56.9°F

Sea water temperature in Niihama today

As of now, in Niihama, the water temperature is 61.8°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.4°F lower 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 fall a bit.

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 minimum temperature for this date. The maximum temperature recorded for this date was 64.9°F on 2022, while the historical minimum was 61.0°F on 2021.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 60.9°F, the minimum temperature may reach 60.3°F, and the maximum might stay at 61.4°F.

Daily water temperature in Niihama

Date	Current Year actual* / forecast**	last year	10 years average
Nov 19	67.3°F	69.3°F	67.1°F
Nov 20	66.4°F	68.9°F	66.9°F
Nov 21	66.5°F	67.9°F	66.5°F
Nov 22	65.7°F	67.6°F	66.1°F
Nov 23	65.7°F	67.7°F	66.1°F
Nov 24	65.4°F	67.3°F	65.8°F
Nov 25	65.4°F	67.0°F	65.6°F
Nov 26	65.1°F	66.5°F	65.5°F
Nov 27	65.2°F	66.3°F	65.2°F
Nov 28	65.2°F	65.8°F	64.9°F
Nov 29	65.0°F	65.3°F	64.6°F
Nov 30	63.5°F	65.1°F	64.2°F
Dec 1	64.0°F	64.6°F	64.1°F
Dec 2	62.4°F	63.2°F	63.8°F
Dec 3	61.8°F	61.1°F	63.1°F
Dec 4	61.4°F	61.4°F	62.8°F
Dec 5	61.3°F	61.8°F	62.7°F
Dec 6	61.1°F	61.9°F	62.5°F
Dec 7	60.8°F	60.8°F	62.2°F
Dec 8	60.6°F	61.1°F	62.0°F
Dec 9	60.5°F	61.5°F	61.9°F
Dec 10	60.3°F	61.7°F	61.6°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 123 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, 78.6°F in Summer, and 74.9°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Saijō	62.7°F	8mi
Matsuyama	66.2°F	32mi
Marugame	63.4°F	35mi
Fukuyama	63.1°F	36mi
Takamatsu	62.7°F	50mi
Kurashiki	62.3°F	50mi
Hiroshima	64.3°F	58mi
Okayama	63.5°F	60mi

* current water temperature in this city

** straight line distance from Niihama