Measurements:
°C
°F
Sapporo
70°F
N 5 mph
Feels like: 70°F
Precip: 43%
World Resorts Japan Sapporo Weather

Sapporo Sea Water Temperature

Current Sea Water Temperature:
+76.6°F
Maximum Sea Water Temperature in August: 85.4°F
Minimum Sea Water Temperature in August: 71.2°F
Average water temperature in August: 76.3°F

Sea Water Temperature for the Last 10 Days:

August 19 76.6°F August 14 78.0°F
August 18 76.6°F August 13 78.8°F
August 17 76.0°F August 12 77.4°F
August 16 76.0°F August 11 76.8°F
August 15 76.6°F August 10 77.6°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 76.2°F. The maximum and minimum values were 72.2°F and 78.8°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 80.6 °F
July 79.9 °F
September 72.4 °F
Warmest sea temperature:
August 76.3 °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 9 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 +74
Fukuoka +82
Hakone +80
Hiroshima +76
Kamakura +82
Kobe +82
Kyoto +84
Nagasaki +84
Nagoya +84
Nara +84
Okinawa +82
Osaka +86
Sapporo +70
Tokyo +84
Yokohama +82
24 Hours Weather Forecast
Sapporo
Local time: 00:32
20 aug, thursday
0300 70°F
N
6 mph
0600 72°F
N
5 mph
0900 80°F
NE
2 mph
1200 80°F
S
4 mph
1500 78°F
S
5 mph
1800 68°F
S
5 mph
2100 64°F
E
4 mph
21 aug, friday
0000 62°F
SE
2 mph