Measurements:
°C
°F
Sapporo
58°F
SE 5 mph
Feels like: 56°F
Precip: 50%
World Resorts Japan Sapporo Weather

Sapporo Sea Water Temperature

Current Sea Water Temperature:
+74.4°F
Maximum Sea Water Temperature in September: 82.4°F
Minimum Sea Water Temperature in September: 68.4°F
Average water temperature in September: 73.6°F

Sea Water Temperature for the Last 10 Days:

September 08 74.4°F September 03 76.4°F
September 07 75.2°F September 02 76.8°F
September 06 75.6°F September 01 77.6°F
September 05 75.8°F August 31 77.8°F
September 04 76.2°F August 30 77.8°F

When is the Warmest Sea for Sapporo?

According to our data for the last three years for Sapporo 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 Sapporo was 77.0°F. The maximum and minimum values were 72.2°F and 79.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Sapporo was 75.8°F. The maximum and minimum values were 71.2°F and 78.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Sapporo was 70.1°F. The maximum and minimum values were 64.8°F and 76.0°F respectively.

Best Time to Visit Sapporo
The most sunny months:
May 11 days
September 11 days
June 10 days
The most warm months:
August 80.4 °F
July 79.9 °F
September 72.4 °F
Warmest sea temperature:
August 76.4 °F
September 73.6 °F
July 70.2 °F
The most cold months:
January 22.8 °F
February 25.1 °F
December 27.2 °F
The most rainy months:
August 8 days
July 7 days
September 6 days
The most windy months:
December 8 mph
April 8 mph
February 7 mph

Sapporo on the Weather Map

Japan Resorts:
NAME
Atami +78
Fukuoka +76
Hakone +84
Hiroshima +74
Kamakura +84
Kobe +78
Kyoto +78
Nagasaki +80
Nagoya +80
Nara +78
Okinawa +80
Osaka +80
Sapporo +58
Tokyo +80
Yokohama +84
24 Hours Weather Forecast
Sapporo
Local time: 05:30
09 sep, wednesday
0600 58°F
SE
5 mph
0900 60°F
SE
7 mph
1200 62°F
SE
9 mph
1500 60°F
SE
10 mph
1800 52°F
SE
5 mph
2100 48°F
E
5 mph
10 sep, thursday
0000 48°F
E
5 mph
0300 48°F
E
5 mph