Sea Temperature in Niigata in April

Complete information on the sea temperature range in the Sea of Japan in Niigata in April. Historical daily data. Climate details for April. 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 April

46°F

MINIMUN

52°F

AVERAGE

57°F

MAXIMUM

Historical Data of Water Temperature in April in Niigata

Water Temperature Chart for Sea of Japan in Niigata in April

Sea Temperature Table in Niigata in April Over the Past Years

Day	2024	2023	2022	Average
Apr 1	52°C	50°C	48°C	50°C
Apr 2	54°C	50°C	48°C	50°C
Apr 3	54°C	50°C	48°C	50°C
Apr 4	54°C	52°C	50°C	51°C
Apr 5	54°C	50°C	50°C	51°C
Apr 6	52°C	50°C	50°C	51°C
Apr 7	54°C	50°C	50°C	51°C
Apr 8	52°C	50°C	50°C	51°C
Apr 9	52°C	52°C	50°C	51°C
Apr 10	52°C	50°C	52°C	51°C
Apr 11	52°C	50°C	52°C	51°C
Apr 12	52°C	52°C	52°C	52°C
Apr 13	52°C	52°C	52°C	51°C
Apr 14	52°C	52°C	52°C	51°C
Apr 15	54°C	52°C	52°C	53°C
Apr 16	54°C	52°C	54°C	53°C
Apr 17	54°C	50°C	54°C	53°C
Apr 18	54°C	52°C	54°C	53°C
Apr 19	52°C	52°C	54°C	53°C
Apr 20	54°C	52°C	54°C	53°C
Apr 21	54°C	52°C	54°C	53°C
Apr 22	54°C	52°C	55°C	54°C
Apr 23	54°C	52°C	55°C	54°C
Apr 24	54°C	50°C	55°C	53°C
Apr 25	54°C	52°C	55°C	54°C
Apr 26	54°C	50°C	55°C	53°C
Apr 27	54°C	52°C	55°C	54°C
Apr 28	54°C	52°C	57°C	54°C
Apr 29	55°C	54°C	57°C	55°C

Niigata Climate and Swimming Opportunities in April

66°F

Average Day Air Temperature

41°F

Average Night Air Temperature

3 in

Precipitation Amount per Month

12 days

Number of Rainy Days

13 hrs

Daylight
per Day

6 hrs

Sunshine
per Day

6 mph

Average Wind Speed

65%

Average
humidity

Niigata lies within the Niigata Prefecture in Japan. The average daytime temperature in Niigata in April is 19°C (67°F), while the nighttime average is 5°C (40°F). There are typically 12 rainy days during the month, with a total precipitation of 69 mm (2.7 inches). The daylight duration in April in Niigata is 13 hours, with an average of 6 hours of sunshine per day. The average wind speed in April is 10 km/h (6 mph), and the humidity level is around 65%.

The water temperature in Niigata in April ranges from 9°C to 13°C (48°F to 55°F). At the beginning of the month, the average temperature is around 10°C (50°F), shifting to 11°C (52°F) by mid-April and reaching 12°C (54°F) in the last ten days. Overall, the average sea temperature in Niigata for April is 11°C (52°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Frequently Asked Questions About Water Temperatures in April in Niigata

What is the sea temperature in Niigata in April?

The water temperature in the Sea of Japan in Niigata in April ranges from 9°C to 13°C (48°F to 55°F).

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

The average sea temperature in Niigata in April is 11°C (52°F), and the air temperature is 19°C (67°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.