Measurements:
°C
°F
Sapporo
22°F
SE 12 mph
Feels like: 10°F
Precip: 100%
World Resorts Japan Sapporo Weather

Sapporo Sea Water Temperature

Current Sea Water Temperature:
+39.8°F
Maximum Sea Water Temperature in January: 44.6°F
Minimum Sea Water Temperature in January: 27.2°F
Average water temperature in January: 35.7°F

Sea Water Temperature for the Last 10 Days:

January 30 39.8°F January 25 37.6°F
January 29 40.0°F January 24 37.0°F
January 28 38.2°F January 23 37.8°F
January 27 37.8°F January 22 35.6°F
January 26 37.6°F January 21 35.4°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Sapporo was 80.2°F. The maximum and minimum values were 78.4°F and 82.6°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: 2025 2024 2023

The average sea surface temperature in July 2025 for Sapporo was 75.6°F. The maximum and minimum values were 70.6°F and 81.8°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 80.2 °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 24.8 °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
Fukuoka +36
Hakone +36
Hiroshima +30
Kamakura +38
Kobe +34
Kyoto +28
Nagasaki +38
Nagoya +32
Nara +30
Noboribetsu +24
Okinawa +58
Osaka +34
Sapporo +22
Tokyo +36
Yokohama +38
24 Hours Weather Forecast
Sapporo
Local time: 00:39
31 jan, saturday
0300 26°F
SE
12 mph
0600 26°F
SE
11 mph
0900 26°F
SE
11 mph
1200 28°F
SE
12 mph
1500 26°F
SE
9 mph
1800 14°F
E
7 mph
2100 10°F
E
7 mph
01 feb, sunday
0000 12°F
NE
6 mph