Measurements:
°C
°F
Noboribetsu
42°F
NW 1 mph
Feels like: 42°F
Precip: 100%
World Resorts Japan Noboribetsu Weather

Noboribetsu Sea Water Temperature

Current Sea Water Temperature:
+37.4°F
Maximum Sea Water Temperature in April: 45.2°F
Minimum Sea Water Temperature in April: 33.0°F
Average water temperature in April: 38.9°F

Sea Water Temperature for the Last 10 Days:

April 04 37.4°F March 30 37.2°F
April 03 38.8°F March 29 36.2°F
April 02 38.4°F March 28 37.2°F
April 01 36.8°F March 27 37.6°F
March 31 37.2°F March 26 38.0°F

When is the Warmest Sea for Noboribetsu?

According to our data for the last three years for Noboribetsu the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Noboribetsu was 77.6°F. The maximum and minimum values were 75.2°F and 80.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Noboribetsu was 73.5°F. The maximum and minimum values were 68.2°F and 76.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Noboribetsu was 71.9°F. The maximum and minimum values were 68.2°F and 77.0°F respectively.

Best Time to Visit Noboribetsu
The most sunny months:
May 12 days
October 12 days
September 11 days
The most warm months:
August 77.6 °F
July 75.3 °F
September 71.9 °F
Warmest sea temperature:
August 73.5 °F
September 71.5 °F
July 67.3 °F
The most cold months:
January 25.5 °F
February 27.1 °F
December 30.1 °F
The most rainy months:
August 8 days
September 6 days
June 6 days
The most windy months:
December 12 mph
January 11 mph
November 11 mph

Noboribetsu on the Weather Map

Japan Resorts:
NAME
Atami +64
Fukuoka +56
Hakone +64
Hiroshima +50
Kamakura +66
Kobe +60
Kyoto +60
Nagasaki +58
Nagoya +62
Nara +60
Okinawa +66
Osaka +62
Sapporo +44
Tokyo +60
Yokohama +64
24 Hours Weather Forecast
Noboribetsu
Local time: 02:06
05 apr, sunday
0300 42°F
NW
1 mph
0600 42°F
SE
2 mph
0900 46°F
E
4 mph
1200 50°F
E
6 mph
1500 50°F
SE
4 mph
1800 46°F
E
2 mph
2100 42°F
N
1 mph
06 apr, monday
0000 40°F
NE
2 mph