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Niigata in October

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

66.7 °F

Average:

71.6 °F

Maximum:

78.5 °F

Sea water temperature in Niigata in October

In the city of Niigata, the month of October is somewhat comfortable for swimming. The minimum recorded temperature during this month was 66.7°F on October 30, 2014, with an average temperature being 71.6°F and a maximum temperature reaching 78.5°F on October 2, 2023.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. Throughout the month of October, the sea temperature gradually gets colder. Starting with an average temperature of 73.9°F at the beginning of the month, it steadily decreases to around 69.4°F by the end.
Date 10 years average 2024 2023
Oct 1 74.7°F 77.3°F 78.1°F
Oct 2 74.7°F 77.3°F 78.5°F
Oct 3 74.6°F 77.0°F 78.2°F
Oct 4 74.2°F 76.6°F 77.7°F
Oct 5 74.0°F 76.2°F 77.2°F
Oct 6 73.9°F 75.3°F 77.4°F
Oct 7 73.7°F 74.9°F 76.9°F
Oct 8 73.4°F 74.5°F 76.3°F
Oct 9 73.2°F 74.2°F 75.9°F
Oct 10 72.9°F 73.4°F 75.3°F
Oct 11 72.9°F 73.9°F 75.3°F
Oct 12 72.5°F 72.4°F 74.3°F
Oct 13 72.2°F 72.5°F 74.2°F
Oct 14 71.8°F 73.8°F 73.4°F
Oct 15 71.5°F 73.6°F 73.2°F
Oct 16 71.4°F 73.2°F 73.1°F
Oct 17 71.1°F 72.9°F 72.9°F
Oct 18 70.9°F 72.7°F 72.8°F
Oct 19 70.6°F 72.2°F 72.1°F
Oct 20 70.6°F 72.0°F 73.3°F
Oct 21 70.5°F 71.7°F 73.0°F
Oct 22 70.3°F 71.7°F 72.5°F
Oct 23 70.2°F 71.4°F 71.8°F
Oct 24 69.8°F 71.2°F 71.6°F
Oct 25 69.6°F 70.8°F 71.1°F
Oct 26 69.6°F 72.1°F 71.4°F
Oct 27 69.4°F 71.3°F 71.3°F
Oct 28 69.0°F 70.8°F 70.8°F
Oct 29 68.7°F 70.1°F 70.4°F
Oct 30 68.5°F 69.8°F 70.4°F
Oct 31 68.3°F 69.8°F 69.2°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. October's average temperature is a slight drop from September's average of 78.0°F. In November, the temperature is expected to decrease further, potentially averaging around 65.0°F.