Sapporo — Water Temperature in May

Water Temperature Range

4°C

minimum

9°C

average

14°C

maximum

Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

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
MAY 1	-10°C	9°C	6°C	9°C
MAY 2	10°C	7°C	7°C	8°C
MAY 3	9°C	7°C	7°C	8°C
MAY 4	9°C	7°C	7°C	7°C
MAY 5	9°C	7°C	8°C	6°C
MAY 6	9°C	7°C	7°C	7°C
MAY 7	9°C	7°C	8°C	7°C
MAY 8	11°C	7°C	8°C	7°C
MAY 9	11°C	7°C	8°C	7°C
MAY 10	11°C	8°C	7°C	8°C
MAY 11	11°C	8°C	9°C	8°C
MAY 12	11°C	8°C	8°C	8°C
MAY 13	11°C	8°C	8°C	8°C
MAY 14	12°C	9°C	9°C	9°C
MAY 15	12°C	9°C	9°C	10°C
MAY 16	12°C	9°C	9°C	9°C
MAY 17	12°C	10°C	10°C	10°C
MAY 18	12°C	9°C	9°C	9°C
MAY 19	12°C	10°C	10°C	10°C
MAY 20	12°C	10°C	9°C	11°C
MAY 21	13°C	10°C	10°C	12°C
MAY 22	13°C	11°C	10°C	11°C
MAY 23	12°C	11°C	10°C	11°C
MAY 24	13°C	11°C	10°C	12°C
MAY 25	12°C	11°C	10°C	11°C
MAY 26	12°C	11°C	11°C	12°C
MAY 27	12°C	11°C	11°C	11°C
MAY 28	13°C	12°C	11°C	12°C
MAY 29	13°C	12°C	11°C	12°C
MAY 30	12°C	12°C	12°C	12°C
MAY 31	13°C	12°C	11°C	12°C

May: Climate and Swimming Opportunities

Average Night Air Temperature

8°C

Average Day Air Temperature

16°C

Precipitation Amount per Month

71 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

6 hrs

Average Wind Speed

13 km/h

Average Humidity

71%

At such water and air temperatures, swimming feels icy and can be a shock to the body. If you go in at all, keep it extremely short and warm up immediately afterward.