Sea Temperature in Niigata in January

Complete information on the sea temperature range in the Sea of Japan in Niigata in January. Historical daily data. Climate details for January. Tips on swimming conditions and beach relaxation in Niigata. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Niigata in January

8°C

MINIMUN

11.5°C

AVERAGE

15°C

MAXIMUM

Historical Data of Water Temperature in January in Niigata

Water Temperature Chart for Sea of Japan in Niigata in January

Sea Temperature Table in Niigata in January Over the Past Years

Day	2024	2023	2022	Average
Jan 1	14°C	13°C	14°C	13.8°C
Jan 2	14°C	13°C	13°C	13.5°C
Jan 3	14°C	13°C	13°C	13.5°C
Jan 4	14°C	13°C	13°C	13.5°C
Jan 5	14°C	13°C	13°C	13.5°C
Jan 6	14°C	13°C	13°C	13.5°C
Jan 7	13°C	13°C	12°C	12.8°C
Jan 8	13°C	13°C	12°C	12.8°C
Jan 9	13°C	13°C	12°C	12.8°C
Jan 10	13°C	12°C	12°C	12.5°C
Jan 11	13°C	12°C	12°C	12.5°C
Jan 12	12°C	12°C	11°C	12.0°C
Jan 13	13°C	12°C	11°C	12.3°C
Jan 14	13°C	12°C	11°C	12.3°C
Jan 15	13°C	12°C	11°C	12.3°C
Jan 16	12°C	12°C	11°C	12.0°C
Jan 17	12°C	12°C	10°C	11.8°C
Jan 18	12°C	12°C	10°C	11.8°C
Jan 19	12°C	12°C	10°C	11.8°C
Jan 20	12°C	12°C	10°C	11.5°C
Jan 21	12°C	12°C	10°C	11.5°C
Jan 22	12°C	11°C	9°C	11.0°C
Jan 23	12°C	11°C	9°C	11.0°C
Jan 24	12°C	11°C	9°C	11.0°C
Jan 25	12°C	11°C	9°C	11.0°C
Jan 26	12°C	11°C	9°C	11.0°C
Jan 27	12°C	11°C	8°C	10.8°C
Jan 28	12°C	11°C	8°C	10.8°C
Jan 29	12°C	11°C	8°C	10.8°C
Jan 30	12°C	11°C	8°C	10.8°C

Niigata Climate and Swimming Opportunities in January

9°C

Average Day Air Temperature

-4°C

Average Night Air Temperature

93 mm

Precipitation Amount per Month

11 days

Number of Rainy Days

10 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

9 km/h

Average Wind Speed

75%

Average
humidity

Niigata lies within the Niigata Prefecture in Japan. The average daytime temperature in Niigata in January is 9°C (48°F), while the nighttime average is -4°C (25°F). There are typically 11 rainy days during the month, with a total precipitation of 93 mm (3.7 inches). The daylight duration in January in Niigata is 10 hours, with an average of 4 hours of sunshine per day. The average wind speed in January is 9 km/h (6 mph), and the humidity level is around 75%.

The water temperature in Niigata in January ranges from 10°C to 13°C (50°F to 55°F). At the beginning of the month, the average temperature is around 13°C (55°F), shifting to 12°C (54°F) by mid-January and reaching 11°C (52°F) in the last ten days. Overall, the average sea temperature in Niigata for January is 12°C (54°F). The water is still cold, but for short swims, it can be manageable. Warm clothes are necessary after swimming.

Frequently Asked Questions About Water Temperatures in January in Niigata

What is the sea temperature in Niigata in January?

The water temperature in the Sea of Japan in Niigata in January ranges from 10°C to 13°C (50°F to 55°F).

Is it possible to swim in the Sea of Japan in Niigata in January?

The average sea temperature in Niigata in January is 12°C (54°F), and the air temperature is 9°C (48°F), so the water is still cold, but for short swims, it can be manageable. Warm clothes are necessary after swimming.