Hangzhou — Water Temperature in May

Water Temperature Range

15°C

minimum

19°C

average

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

May: Climate and Swimming Opportunities

Average Night Air Temperature

17°C

Average Day Air Temperature

24°C

Precipitation Amount per Month

135 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

5 hrs

Average Wind Speed

10 km/h

Average Humidity

79%

At such water and air temperatures, swimming feels cool and invigorating. It’s comfortable for a quick dip, and you’ll feel fine as long as you warm up soon after.