What is the current water temperature in Niigata?

Q: What is the current water temperature in Niigata?

As of now, in Niigata, the water temperature is 14.32°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

Japan > Niigata

Water temperature in Niigata

Detailed information about the current water temperature in Niigata. 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.

57.8

°F

December 22, 14:40

Trend:

decreasing

Yesterday:

58.0°F

Tomorrow:

57.5°F

Sunrise:

06:57

Sunset:

16:29

Day Length:

9 h. 32 min.

Niigata in December

Minimum:

53.2°F

Average:

54.5°F

Maximum:

55.7°F

Sea water temperature in Niigata today

As of now, in Niigata, the water temperature is 57.8°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is about the same as 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 59.5°F on 2018, while the historical minimum was 56.4°F on 2014.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 57.3°F, the minimum temperature may reach 56.9°F, and the maximum might stay at 57.5°F.

Daily water temperature in Niigata

Date	Current Year actual* / forecast**	last year	10 years average
Dec 8	61.1°F	62.1°F	60.5°F
Dec 9	61.0°F	60.5°F	60.3°F
Dec 10	60.9°F	60.5°F	60.4°F
Dec 11	60.7°F	60.5°F	60.4°F
Dec 12	60.5°F	60.5°F	60.2°F
Dec 13	60.3°F	60.7°F	59.9°F
Dec 14	59.8°F	60.4°F	59.6°F
Dec 15	57.7°F	60.1°F	59.3°F
Dec 16	57.5°F	59.8°F	59.1°F
Dec 17	57.3°F	59.5°F	58.8°F
Dec 18	57.2°F	59.2°F	58.6°F
Dec 19	57.1°F	59.0°F	58.4°F
Dec 20	57.2°F	58.8°F	58.1°F
Dec 21	58.0°F	58.7°F	58.1°F
Dec 22	57.8°F	58.4°F	57.9°F
Dec 23	57.5°F	58.3°F	57.7°F
Dec 24	57.4°F	58.0°F	57.5°F
Dec 25	57.5°F	58.0°F	57.6°F
Dec 26	57.4°F	58.0°F	57.5°F
Dec 27	57.2°F	58.1°F	57.3°F
Dec 28	57.1°F	57.6°F	57.2°F
Dec 29	56.9°F	57.6°F	57.0°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 Niigata by month

In Niigata, the months July through September offer comfortable swimming conditions, which amounts to 93 swimming days.

The warmest water in Niigata was recorded on August 6, 2023, reaching a 86.6°F. While the coldest temperature occurred on March 16, 2014, dipping to 46.6°F. The average readings by season are 54.5°F in Winter, 53.6°F in Spring, 75.1°F in Summer, and 71.5°F in Autumn.