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Niigata in January

Find out everything about the water temperature in Niigata in January. Average, minimum and maximum recorded temperatures as well as daily temperature in January for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in January
Minimum:

50.1 °F

Average:

53.9 °F

Maximum:

57.1 °F

Sea water temperature in Niigata in January

In the city of Niigata, the month of January is too cold for swimming. The minimum recorded temperature during this month was 50.1°F on January 30, 2015, with an average temperature being 53.9°F and a maximum temperature reaching 57.1°F on January 1, 2019.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In January, the sea temperature remains relatively stable. The average temperature stays close to 53.9°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Jan 1 56.1°F 56.2°F 57.0°F
Jan 2 55.7°F 55.9°F 56.5°F
Jan 3 55.4°F 55.5°F 56.0°F
Jan 4 55.3°F 55.3°F 56.0°F
Jan 5 55.7°F 56.2°F 56.3°F
Jan 6 55.7°F 56.5°F 56.3°F
Jan 7 55.5°F 56.3°F 56.2°F
Jan 8 55.2°F 56.0°F 56.0°F
Jan 9 55.2°F 55.8°F 55.9°F
Jan 10 55.0°F 55.7°F 55.7°F
Jan 11 54.7°F 55.5°F 55.5°F
Jan 12 54.5°F 54.9°F 55.2°F
Jan 13 54.3°F 54.9°F 54.6°F
Jan 14 54.1°F 54.0°F 54.3°F
Jan 15 53.9°F 53.5°F 54.1°F
Jan 16 53.7°F 53.7°F 53.9°F
Jan 17 53.6°F 54.1°F 53.2°F
Jan 18 53.2°F 53.9°F 51.1°F
Jan 19 53.1°F 53.7°F 51.0°F
Jan 20 53.1°F 54.3°F 51.6°F
Jan 21 53.1°F 54.1°F 52.3°F
Jan 22 53.1°F 53.9°F 52.6°F
Jan 23 53.1°F 53.8°F 52.7°F
Jan 24 53.1°F 53.6°F 52.8°F
Jan 25 52.8°F 53.5°F 52.7°F
Jan 26 52.5°F 53.2°F 52.5°F
Jan 27 52.2°F 52.8°F 52.3°F
Jan 28 52.1°F 52.5°F 52.2°F
Jan 29 52.1°F 52.5°F 52.0°F
Jan 30 51.9°F 52.6°F 51.7°F
Jan 31 51.5°F 50.4°F 51.8°F

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. January's average temperature is a slight drop from December's average of 59.1°F. In February, the temperature is expected to decrease further, potentially averaging around 50.5°F.