Hokkaido — Water Temperature in June

Water Temperature Range

6°C

minimum

10°C

average

16°C

maximum

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Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2026	2025	2024	2023
JUN 1	-10°C	10°C	7°C	8°C
JUN 2	11°C	8°C	9°C	8°C
JUN 3	11°C	7°C	8°C	8°C
JUN 4	11°C	8°C	8°C	8°C
JUN 5	11°C	8°C	8°C	8°C
JUN 6	11°C	8°C	8°C	9°C
JUN 7	11°C	9°C	8°C	10°C
JUN 8	11°C	9°C	9°C	9°C
JUN 9	-10°C	9°C	9°C	9°C
JUN 10	11°C	9°C	9°C	10°C
JUN 11	10°C	9°C	9°C	9°C
JUN 12	10°C	9°C	9°C	9°C
JUN 13	11°C	10°C	10°C	10°C
JUN 14	11°C	10°C	10°C	10°C
JUN 15	12°C	10°C	9°C	11°C
JUN 16	12°C	11°C	10°C	12°C
JUN 17	12°C	11°C	10°C	11°C
JUN 18	12°C	11°C	10°C	10°C
JUN 19	12°C	11°C	11°C	10°C
JUN 20	13°C	12°C	11°C	11°C
JUN 21	12°C	12°C	11°C	11°C
JUN 22	12°C	11°C	11°C	10°C
JUN 23	12°C	12°C	11°C	11°C
JUN 24	12°C	12°C	11°C	11°C
JUN 25	12°C	12°C	11°C	12°C
JUN 26	12°C	12°C	11°C	11°C
JUN 27	13°C	13°C	12°C	12°C
JUN 28	13°C	13°C	12°C	12°C
JUN 29	13°C	12°C	11°C	12°C
JUN 30	13°C	13°C	12°C	13°C

June: Climate and Swimming Opportunities

Average Night Air Temperature

13°C

Average Day Air Temperature

20°C

Precipitation Amount per Month

66 mm

Number of Rainy Days

Daylight per Day

15 hrs

Sunshine per Day

6 hrs

Average Wind Speed

12 km/h

Average Humidity

78%

With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.