Measurements:
°C
°F
Sapporo
32°F
NW 9 mph
Feels like: 24°F
Precip: 100%
World Resorts Japan Sapporo Weather

Sapporo Sea Water Temperature

Current Sea Water Temperature:
+39.6°F
Maximum Sea Water Temperature in January: 44.6°F
Minimum Sea Water Temperature in January: 27.2°F
Average water temperature in January: 35.6°F

Sea Water Temperature for the Last 10 Days:

January 09 39.6°F January 04 40.0°F
January 08 39.2°F January 03 40.0°F
January 07 39.0°F January 02 40.2°F
January 06 38.4°F January 01 40.2°F
January 05 38.8°F December 31 40.2°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 22.7 °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
Atami +50
Fukuoka +58
Hakone +52
Hiroshima +52
Kamakura +54
Kyoto +48
Nagasaki +60
Nagoya +48
Nara +52
Noboribetsu +34
Okinawa +64
Osaka +50
Sapporo +32
Tokyo +50
Yokohama +54
24 Hours Weather Forecast
Sapporo
Local time: 11:23
10 jan, saturday
1200 32°F
NW
9 mph
1500 32°F
NW
11 mph
1800 30°F
NW
12 mph
2100 30°F
NW
12 mph
11 jan, sunday
0000 34°F
N
12 mph
0300 30°F
N
13 mph
0600 32°F
NE
14 mph
0900 28°F
NE
15 mph