All data are in degrees Fahrenheit

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Water temperature in Sapporo

Detailed information about the current water temperature in Sapporo. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Sapporo now

40.4

°F

February 5, 17:50

Trend:

decreasing

Yesterday:

40.5°F

Tomorrow:

39.8°F

Sunrise:

06:46

Sunset:

16:51

Day Length:

10 h. 5 min.

Sapporo in February

Minimum:

32.0°F

Average:

36.6°F

Maximum:

44.9°F

Sea water temperature in Sapporo today

As of now, in Sapporo, the water temperature is 40.4°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 5.1°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 44.1°F on 2025, while the historical minimum was 32.0°F on 2019.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 39.7°F, the minimum temperature may reach 39.6°F, and the maximum might stay at 39.9°F.

Daily water temperature in Sapporo

Date Current Year

actual* / forecast**

last year 10 years average
Jan 22 37.0°F 43.4°F 35.7°F
Jan 23 39.0°F 43.0°F 35.8°F
Jan 24 38.4°F 43.2°F 35.6°F
Jan 25 38.8°F 43.9°F 35.9°F
Jan 26 38.8°F 44.5°F 36.0°F
Jan 27 39.0°F 44.1°F 36.0°F
Jan 28 39.4°F 44.1°F 35.8°F
Jan 29 41.0°F 44.0°F 35.8°F
Jan 30 40.9°F 43.0°F 35.7°F
Jan 31 40.8°F 42.9°F 35.8°F
Feb 1 41.4°F 44.5°F 36.0°F
Feb 2 40.3°F 44.3°F 35.8°F
Feb 3 41.6°F 44.0°F 35.9°F
Feb 4 40.5°F 44.0°F 35.9°F
Feb 5 40.4°F 44.1°F 35.3°F
Feb 6 39.8°F 42.7°F 34.7°F
Feb 7 39.9°F 42.9°F 34.8°F
Feb 8 39.6°F 42.3°F 34.5°F
Feb 9 39.7°F 42.5°F 34.6°F
Feb 10 39.6°F 41.2°F 34.5°F
Feb 11 39.8°F 41.6°F 34.7°F
Feb 12 39.9°F 42.2°F 34.8°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Sapporo by month

In Sapporo, August is the only month that offers comfortable swimming conditions. The amount of days when the water is warm enough is only 29.
The warmest water in Sapporo was recorded on August 24, 2023, reaching a 81.8°F. While the coldest temperature occurred on January 1, 2020, dipping to 32.0°F. The average readings by season are 37.3°F in Winter, 42.5°F in Spring, 67.5°F in Summer, and 63.2°F in Autumn.