Measurements:
°C
°F
Noboribetsu
58°F
E 14 mph
Feels like: 56°F
Precip: 23%
World Resorts Japan Noboribetsu Weather

Noboribetsu Sea Water Temperature

Current Sea Water Temperature:
+69.6°F
Maximum Sea Water Temperature in September: 80.4°F
Minimum Sea Water Temperature in September: 65.6°F
Average water temperature in September: 71.5°F

Sea Water Temperature for the Last 10 Days:

September 28 69.6°F September 23 70.0°F
September 27 70.0°F September 22 71.2°F
September 26 70.0°F September 21 71.0°F
September 25 70.4°F September 20 69.4°F
September 24 70.2°F September 19 70.0°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Noboribetsu was 72.9°F. The maximum and minimum values were 68.0°F and 76.2°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Noboribetsu was 70.8°F. The maximum and minimum values were 69.4°F and 73.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Noboribetsu was 66.8°F. The maximum and minimum values were 61.2°F and 71.4°F respectively.

Best Time to Visit Noboribetsu
The most sunny months:
October 12 days
May 11 days
June 10 days
The most warm months:
August 77.3 °F
July 75.0 °F
September 71.6 °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
F°
Atami +70
Fukuoka +68
Hakone +72
Hiroshima +66
Kamakura +74
Kobe +68
Kyoto +66
Nagasaki +76
Nagoya +68
Nara +68
Okinawa +86
Osaka +70
Sapporo +54
Tokyo +70
Yokohama +72
24 Hours Weather Forecast
Noboribetsu
Local time: 08:55
29 sep, tuesday
0900 58°F
E
14 mph
1200 60°F
SE
10 mph
1500 62°F
SE
12 mph
1800 56°F
SE
7 mph
2100 54°F
SE
5 mph
30 sep, wednesday
0000 52°F
S
4 mph
0300 52°F
S
4 mph
0600 52°F
S
4 mph