What is the current water temperature in Sapporo?

Q: What is the current water temperature in Sapporo?

As of now, in Sapporo, the water temperature is 4.1°C. 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.

Japan > Sapporo

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.

39.4

°F

March 7, 19:56

Trend:

decreasing

Yesterday:

39.6°F

Tomorrow:

39.3°F

Sunrise:

06:02

Sunset:

17:30

Day Length:

11 h. 28 min.

Sapporo in March

Minimum:

32.0°F

Average:

36.5°F

Maximum:

44.6°F

Sea water temperature in Sapporo today

As of now, in Sapporo, the water temperature is 39.4°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 4.2°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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 40.7°F on 2025, while the historical minimum was 32.0°F on 2017.

latest data

last year

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 39.5°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Sapporo

Date	Current Year actual* / forecast**	last year	10 years average
Feb 21	41.1°F	41.5°F	35.6°F
Feb 22	41.8°F	41.4°F	35.7°F
Feb 23	42.0°F	41.5°F	35.7°F
Feb 24	41.9°F	41.9°F	35.9°F
Feb 25	41.9°F	41.9°F	35.7°F
Feb 26	40.9°F	42.0°F	35.6°F
Feb 27	40.0°F	42.0°F	35.7°F
Feb 28	40.0°F	42.1°F	36.0°F
Mar 1	39.8°F	41.5°F	35.8°F
Mar 2	39.8°F	40.9°F	35.5°F
Mar 3	39.9°F	41.0°F	35.8°F
Mar 4	41.0°F	41.3°F	35.7°F
Mar 5	39.9°F	41.3°F	35.9°F
Mar 6	39.6°F	40.6°F	35.7°F
Mar 7	39.4°F	40.7°F	35.2°F
Mar 8	39.3°F	41.2°F	35.2°F
Mar 9	39.9°F	41.2°F	35.7°F
Mar 10	39.7°F	41.5°F	35.5°F
Mar 11	39.7°F	40.0°F	35.5°F
Mar 12	39.5°F	39.4°F	35.4°F
Mar 13	39.5°F	39.0°F	35.3°F
Mar 14	39.1°F	40.4°F	35.0°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, 42.6°F in Spring, 67.5°F in Summer, and 63.2°F in Autumn.