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

43.3

°F

March 29, 13:38

Trend:

stable

Yesterday:

43.3°F

Tomorrow:

44.0°F

Sunrise:

05:23

Sunset:

17:57

Day Length:

12 h. 34 min.

Sapporo in April

Minimum:

32.0°F

Average:

36.4°F

Maximum:

44.3°F

Sea water temperature in Sapporo today

As of now, in Sapporo, the water temperature is 43.3°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 6.7°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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 41.4°F on 2025, while the historical minimum was 32.1°F on 2021.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 44.3°F, with minimum temperature starting at 43.9°F, while the maximum might reach 45.4°F.

Daily water temperature in Sapporo

Date Current Year

actual* / forecast**

last year 10 years average
Mar 15 41.1°F 40.8°F 35.7°F
Mar 16 41.5°F 40.6°F 35.8°F
Mar 17 41.8°F 40.1°F 36.0°F
Mar 18 42.2°F 40.1°F 36.4°F
Mar 19 40.8°F 40.2°F 36.6°F
Mar 20 42.2°F 40.8°F 37.0°F
Mar 21 41.7°F 40.6°F 36.9°F
Mar 22 42.7°F 41.2°F 37.1°F
Mar 23 41.9°F 40.8°F 36.6°F
Mar 24 41.5°F 40.9°F 36.6°F
Mar 25 44.1°F 40.6°F 36.9°F
Mar 26 43.5°F 40.5°F 37.0°F
Mar 27 43.8°F 41.2°F 36.8°F
Mar 28 43.3°F 41.1°F 36.6°F
Mar 29 43.3°F 41.4°F 36.6°F
Mar 30 44.0°F 41.6°F 37.2°F
Mar 31 44.0°F 41.1°F 37.2°F
Apr 1 43.9°F 41.7°F 37.2°F
Apr 2 44.0°F 42.8°F 37.2°F
Apr 3 44.4°F 43.2°F 37.7°F
Apr 4 44.9°F 42.6°F 38.2°F
Apr 5 45.4°F 42.2°F 38.6°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 37.4°F in Winter, 42.7°F in Spring, 67.5°F in Summer, and 63.2°F in Autumn.