World Resorts Japan Sapporo Weather

Sapporo sea water temperature

Current sea water temperature:
+43.3°F
Minimum sea water temperature in December: 52.3°F
Maximum sea water temperature in December: 29.7°F
Average sea water temperature in December: 41.5°F

Sea water temperature for the last 10 days:

December 18 43.3°F December 13 45.7°F
December 17 45.5°F December 12 45.7°F
December 16 45.1°F December 11 45.3°F
December 15 45.1°F December 10 45.1°F
December 14 45.5°F December 9 45.7°F

When is the warmest sea in Sapporo?

Based on the data about daily sea water temperature for the last three years the warmest sea in Sapporo was noticed in August, September and July.

Monthly Sea Temperatures in Sapporo, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 79.3°F and 75.6°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 73.2°F. The highest and lowest sea temperatures during the month were 75.7°F and 69.1°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 73.1°F. The highest and lowest sea temperatures during the month were 78.6°F and 68.5°F.

Best time for vacation in Sapporo

Sunniest months:
May 11 days
September 11 days
June 10 days
Warmest months:
August 77.6 °F
July 77.2 °F
September 70.2 °F
Warmest sea temp:
August 73.7 °F
September 71.2 °F
July 68.2 °F
Coldest months:
January 25.4 °F
February 27.3 °F
December 29.3 °F
Rainiest months:
August 9 days
July 7 days
September 6 days
Windiest months:
December 8.3 mph
April 8.2 mph
February 8.1 mph

Sapporo on a weather map

Sapporo
+21°F
NE 5 mph
Feels like: +14°F
Precip.: 0%
Places in Japan:
Name
°F
+41°F
+48°F
+48°F
+37°F
+43°F
+52°F
+43°F
+39°F
+68°F
+43°F
+21°F
+45°F
+45°F
+43°F
+39°F
24 Hours Forecast
Sapporo
Local time: 05:03
December 19, friday
0600
21°F
NE
5 mph
0900
27°F
N
4 mph
1200
36°F
NW
8 mph
1500
32°F
NW
9 mph
1800
32°F
NW
9 mph
2100
36°F
N
9 mph
December 20, saturday
0000
37°F
N
9 mph
0300
37°F
N
9 mph
Units of measurement: °C / °F