Measurements:
°C
°F
Sapporo
36°F
N 6 mph
Feels like: 30°F
Precip: 68%
World Resorts Japan Sapporo Weather

Sapporo Sea Water Temperature

Current Sea Water Temperature:
+40.8°F
Maximum Sea Water Temperature in February: 44.4°F
Minimum Sea Water Temperature in February: 27.0°F
Average water temperature in February: 34.3°F

Sea Water Temperature for the Last 10 Days:

February 20 40.8°F February 15 40.4°F
February 19 38.8°F February 14 41.0°F
February 18 39.0°F February 13 40.8°F
February 17 38.8°F February 12 41.6°F
February 16 38.4°F February 11 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 22.8 °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
Atami +54
Fukuoka +58
Hakone +54
Hiroshima +54
Kamakura +52
Kobe +52
Kyoto +54
Nagasaki +58
Nagoya +54
Nara +56
Okinawa +70
Osaka +54
Sapporo +36
Tokyo +54
Yokohama +52
24 Hours Weather Forecast
Sapporo
Local time: 11:49
21 feb, saturday
1200 36°F
N
6 mph
1500 36°F
NW
6 mph
1800 30°F
N
7 mph
2100 30°F
N
8 mph
22 feb, sunday
0000 32°F
N
9 mph
0300 32°F
N
9 mph
0600 32°F
N
10 mph
0900 34°F
N
11 mph