Measurements:
°C
°F
Sapporo
54°F
E 7 mph
Feels like: 52°F
Precip: 43%
World Resorts Japan Sapporo Weather

Sapporo Sea Water Temperature

Current Sea Water Temperature:
+72.0°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 28 72.0°F September 23 72.4°F
September 27 72.6°F September 22 73.2°F
September 26 71.8°F September 21 73.6°F
September 25 72.4°F September 20 72.2°F
September 24 71.8°F September 19 72.6°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: 2026 2025 2024

The average sea surface temperature in September 2026 for Sapporo was 73.5°F. The maximum and minimum values were 71.8°F and 77.6°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 72.1 °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
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
Sapporo
Local time: 08:51
29 sep, tuesday
0900 54°F
E
7 mph
1200 56°F
SE
7 mph
1500 56°F
E
6 mph
1800 50°F
E
5 mph
2100 50°F
E
5 mph
30 sep, wednesday
0000 48°F
E
5 mph
0300 48°F
E
4 mph
0600 50°F
E
2 mph