Measurements:
°C
°F
Sapporo
44°F
NW 9 mph
Feels like: 38°F
Precip: 84%
World Resorts Japan Sapporo Weather

Sapporo Sea Water Temperature

Current Sea Water Temperature:
+44.0°F
Maximum Sea Water Temperature in April: 48.4°F
Minimum Sea Water Temperature in April: 29.2°F
Average water temperature in April: 39.6°F

Sea Water Temperature for the Last 10 Days:

April 04 44.0°F March 30 41.8°F
April 03 43.8°F March 29 42.4°F
April 02 43.2°F March 28 42.6°F
April 01 41.8°F March 27 43.0°F
March 31 41.2°F March 26 42.8°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 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 +62
Fukuoka +54
Hakone +60
Hiroshima +52
Kamakura +64
Kobe +60
Kyoto +60
Nagasaki +58
Nagoya +62
Nara +60
Okinawa +66
Osaka +62
Sapporo +44
Tokyo +62
Yokohama +64
24 Hours Weather Forecast
Sapporo
Local time: 00:28
05 apr, sunday
0300 44°F
N
6 mph
0600 44°F
N
3 mph
0900 54°F
S
0 mph
1200 50°F
SE
6 mph
1500 48°F
SE
8 mph
1800 42°F
S
6 mph
2100 40°F
SE
5 mph
06 apr, monday
0000 38°F
SE
4 mph